Glass Repair/Replacement

Sliding Patio Door Glass Repair: Addressing Common Issues

Sliding patio doors offer a beautiful, expansive view of the outdoors, but their constant use and exposure to the elements can lead to various problems. Fortunately, many common issues with sliding patio door glass are repairable, saving you the cost of a full replacement. Lets explore some of these issues and how a skilled glass repair professional can address them.


One of the most frequent problems is difficulty sliding the door. This can be caused by a build-up of dirt and grime in the track, worn-out rollers, or a misaligned door panel. A technician can clean the track, replace worn rollers, and adjust the alignment to restore smooth operation. This relatively simple fix can significantly improve the doors functionality and prevent further damage.


Another common issue is cracked or chipped glass. While minor chips can sometimes be repaired with specialized resin, larger cracks usually necessitate replacing the affected pane. A qualified glass repair technician can assess the damage and determine the best course of action. They can source the correct type of glass, ensuring a perfect fit and maintaining the doors energy efficiency.


Drafts and leaks are also frequent complaints. These can stem from worn-out weatherstripping or seals around the glass. Replacing these components is a straightforward process that can dramatically improve the doors insulation, reducing energy bills and enhancing comfort. A professional can identify the source of the leak and replace the necessary seals, creating a tight barrier against the elements.


Finally, foggy glass between the panes indicates a failed seal in double-paned doors. This allows moisture to enter the space between the panes, condensing and obstructing the view. While this might seem like a major problem, a technician can often repair the seal or replace the affected unit without needing to replace the entire door. This restores the insulating properties of the double-paned glass and clears up the foggy appearance.


In conclusion, many common sliding patio door glass issues can be repaired effectively and affordably by a skilled professional. Addressing these problems promptly not only restores the doors functionality and aesthetic appeal but also prevents further damage and improves energy efficiency. So, dont let minor issues escalate into major headaches; contact a glass repair expert for a quick and efficient solution.

Sliding Patio Door Glass Repair: Addressing Common Issues

French Door Glass Replacement: Options and Considerations

French door glass replacement can seem daunting, but armed with the right information, it becomes a manageable project. Whether your glass is cracked, fogged up, or simply outdated, understanding your options and considerations will ensure you make the best choice for your home and budget.


First, lets talk about the types of glass available. The most common options are single-pane, double-pane, and tempered glass. Single-pane is the most economical but offers the least insulation and security. Double-pane, also known as insulated glass units (IGUs), significantly improves energy efficiency and noise reduction. Tempered glass, known for its strength and safety features, shatters into small, relatively harmless pieces, making it a good choice for families with children or pets. You might also consider laminated glass, which holds together when shattered, providing additional security.


Beyond the type of glass, youll need to consider the style. Do you want clear glass, frosted for privacy, or perhaps a decorative pattern? Matching the existing style of your home is often the best approach, but a replacement also offers an opportunity to update the look. Think about the level of privacy you desire and how much natural light you want to let in.


Next, youll need to decide whether to DIY or hire a professional. While replacing a single pane can be a manageable DIY project for experienced homeowners, double-pane units often require specialized tools and knowledge due to the sealed air gap. Incorrect installation can compromise the insulating properties and lead to premature failure. Furthermore, larger panes or complex designs are almost always best left to the professionals. A qualified glazier can ensure accurate measurements, proper installation, and a secure fit.


When choosing a professional, get multiple quotes and check references. Ask about warranties on both the glass and the installation. A reputable company will stand behind their work. Dont be afraid to ask questions about the different glass options and their recommendations for your specific situation.


Finally, consider the long-term costs. While single-pane glass might be cheaper upfront, the lack of insulation can lead to higher energy bills. Investing in energy-efficient double-pane glass can save you money in the long run.


French door glass replacement requires careful consideration of various factors. By understanding your options, assessing your needs, and making informed decisions, you can enhance the beauty, efficiency, and security of your home.

Insulated Glass Units (IGUs) for Patio Doors: Enhancing Energy Efficiency

Patio doors, those glorious portals to our backyards and gardens, can be a real weak spot when it comes to energy efficiency. Big panes of glass, while lovely to look at, are notorious for letting heat escape in the winter and unwanted solar heat in during the summer. Thats where Insulated Glass Units, or IGUs, come into play. These arent your grandmas single-pane windows. IGUs are a significant upgrade that can make a real difference in your homes comfort and energy bills.


Essentially, an IGU is a sandwich of glass panes. Two or more panes are separated by a spacer, creating a sealed air gap. This gap is often filled with an inert gas like argon or krypton, which are even better insulators than regular air. Think of it like a thermos for your patio door. The multiple layers and the insulated space drastically reduce heat transfer, keeping your home warmer in the winter and cooler in the summer.


If youre considering glass repair or replacement for your patio doors, upgrading to IGUs is a smart move. The initial investment is offset by long-term energy savings. Youll notice a difference in your heating and cooling bills almost immediately. Plus, IGUs offer other benefits beyond energy efficiency. They reduce noise transmission from outside, making your home quieter and more peaceful. They also minimize condensation on the glass, which can lead to mold and mildew problems.


When choosing IGUs, look for those with low-E coatings. These microscopic metallic coatings are applied to the glass surface and reflect infrared radiation, further enhancing energy performance. You can also opt for IGUs with specialized gas fills and spacer systems for even greater insulation.


Replacing your old patio door glass with IGUs is a relatively straightforward process for a qualified glass repair professional. Its a worthwhile investment that not only improves your homes energy efficiency but also enhances comfort, reduces noise, and increases the overall value of your property. So, if youre tired of drafty patio doors and high energy bills, consider making the switch to IGUs. Youll be glad you did.

Insulated Glass Units (IGUs) for Patio Doors: Enhancing Energy Efficiency

DIY vs. Professional Patio Door Glass Repair: Weighing the Pros and Cons

Shattered patio door glass is a homeowners nightmare. Suddenly, your beautiful view is obscured by a jagged hole, your security is compromised, and the elements are invited in. The immediate question becomes: DIY repair or call a professional? While the DIY route might seem tempting to save a few bucks, its a decision that requires careful consideration.


The main draw of DIY is, of course, cost. Replacing a pane yourself can significantly cut down on labor charges. You also have complete control over the timeline; no waiting for appointments or dealing with scheduling conflicts. Plus, theres a certain satisfaction that comes with tackling a home repair project yourself. However, the DIY path is fraught with potential pitfalls. Glass is heavy, awkward, and dangerous to handle. Improper installation can lead to leaks, drafts, and even further breakage down the line. Youll also need specific tools, like suction cups and glazing points, which add to the overall expense if you dont already own them. Measuring incorrectly can result in ordering the wrong size glass, leading to further delays and frustration. Finally, working with tempered glass, common in patio doors, requires extra caution due to its tendency to shatter into small, sharp pieces.


Hiring a professional, while more expensive upfront, offers peace of mind. Experienced glaziers have the right tools, expertise, and safety training to handle the job efficiently and correctly. They can source the correct type and size of glass quickly and often provide warranties on their work. This means if anything goes wrong, youre covered. Professionals are also insured, protecting you from liability in case of accidents. This is particularly important when dealing with large, heavy panes of glass.


Ultimately, the decision of DIY vs. professional boils down to your comfort level, budget, and the complexity of the repair. Small cracks or chips might be manageable for a handy homeowner, but for larger breaks or replacements, especially in double-paned or tempered glass doors, calling a professional is often the safer and more sensible choice. While the upfront cost might be higher, it can save you from potential headaches, injuries, and costly mistakes in the long run.

Glassdoor, Inc.
Type of business Subsidiary
Type of site
Job search engine, review site
Available in Multilingual
Founded June 2007; 18 years ago (2007-06)
Headquarters 50 Beale Street, San Francisco, California, U.S.
Founder(s)
Key people  
Industry Internet
Services Online employment
Parent Recruit Holdings
URL glassdoor.com
Commercial Yes
Registration Required
Current status Active

Glassdoor is an American website where current and former employees anonymously review companies, operated by the company of the same name.[1]

In 2018, the company was acquired by the Japanese company Recruit Holdings (owner of Indeed) for US$1.2 billion, and it continues to operate as an independent subsidiary.[2][3]

Founding

[edit]

The company was co-founded in 2007 by Tim Besse, Robert Hohman (who serves as the company's CEO), and Expedia founder Rich Barton, who served as the company's chairman.[4] The idea came from a brainstorming session between Barton and Hohman when Barton relayed the story of accidentally leaving the results of an employee survey on the printer while working at Expedia.[5] The two hypothesized that if the results had been revealed publicly, it could have been a service to those looking to make career decisions.[6] The company's headquarters were established in Mill Valley, California.[7]

Website

[edit]

Glassdoor launched its company ratings site in June 2008,[8] as a site that "collects company reviews and real salaries from employees of large companies and displays them anonymously for all members to see", according to TechCrunch. The company then averaged the reported salaries, posting these averages alongside the reviews employees made of the management and culture of the companies they worked for – including some of the larger tech companies like Google and Yahoo.[9] The site also allows the posting of office photographs and other media.[10] Each year Glassdoor ranks overall company ratings to determine its annual Employees’ Choice Awards, also known as the Best Places to Work Awards.[11] Before July 2024, users only required an email address to sign up and leave a review.[12]

  • Glass Door operates in the following countries: Ireland, Belgium (French and Dutch versions), Australia, Canada (French), Canada (English), Portugal, Austria, Switzerland (in German and French), South Africa, Italy, France, Spain, Netherlands, Mexico, Brazil, Argentina, Germany, Sweden, India, Hong Kong, New Zealand, Singapore, England, Scotland and Wales and USA. [13]

The site later also began focusing on CEOs and workplaces and what it is like to work at jobs in general.[14] Employee reviews are averaged for each company.[15] Glassdoor ratings are based on user-generated reviews. The company has stated that it rejects about 20% of entries after screening.[16][17] Rules for posting reviews are different for smaller companies than they are for larger companies in order to preserve the anonymity of people in close departments.[18]

In 2010, Glassdoor released a fee-based program called "Enhanced Employer Profiles", which allows employers to include their own content on Glassdoor profiles, like executive biographies, classifieds, social media links, and referrals.[19] The company also allows users to post potential job interview questions that might be asked by certain companies, acquired by interviewed job candidates,[20] in addition to other information that can be used to prepare job applications.[21] The reputation a company has on Glassdoor has also been found correlative by Case Western Professor Casey Newmeyer.[22] Business Journal has recommended that CEOs review Glassdoor reviews to "telegraph organizational issues".[23]

In 2017, Glassdoor announced on its website that it would no longer post job advertisements that exclude people with criminal records. The business magazine Entrepreneur praised the move.[24]

In May 2020, Glassdoor announced it was laying off 300 people, accounting for 30% of the company's workforce and half of the Chicago office.[25] Another layoff was announced of approximately 140 people, or 15% of the company's workforce in March 2023.[26] Following the rise of the COVID-19 pandemic, the employees worked fully remote starting in March 3, 2020. The final remaining offices at Chicago and San Francisco are closing in 2024.[27]

Following the acquisition of the work discussion app Fishbowl, new and old users are now required to input their full name, workplace, and job title, though those details could be hidden. It is impossible to delete names from accounts, nor can they be changed without contacting support.[12]

Reports

[edit]

Glassdoor produces reports based upon the data collected from its users, on topics including work–life balance,[28] CEO pay-ratios,[29] lists of the best office places and cultures,[30] and the accuracy of corporate job searching maxims.[31] Glassdoor also puts the conclusions of its research of other companies towards its company policies.[10] In 2015, Tom Lakin produced the first study of Glassdoor in the United Kingdom, concluding that Glassdoor is regarded by users as a more trustworthy source of information than career guides or official company documents.[32][33]

Acquisitions and leadership

[edit]

In May 2018, Recruit Holdings announced its intention to acquire Glassdoor for $1.2 billion in cash, with the acquisition completed in June 2018.[34]

In September 2016, Glassdoor acquired Brazil's Love Mondays, expanding to Latin America.[35]

In 2014, the company hired Adam Spiegel as its CFO, with the intention of preparing for an eventual IPO.[4] By 2015, the site had 30 million users from 190 countries and corporate clients including one-third of all Fortune 500 companies.[10] That year, Glassdoor also began creating localized websites and mobile apps for different national jurisdictions, such as Germany.[36]

In February 2019, Glassdoor announced that COO Christian Sutherland-Wong would be promoted to President & COO.[37]

In 2023, Glassdoor acquired work-related social app Fishbowl.[12]

Investments

[edit]

The company received its first financing in 2008, receiving $3 million in funding, before launching its website.[7] In 2012 Glassdoor received $20 million of venture capital, taking its total outside funding to $42.2 million.[38] The following year, the company raised an additional $50 million.[39] In 2015, the company raised an additional $70 million, in an investment round led by Google Capital, giving the company a valuation of just short of $1 billion. The total of investment at this point was $160 million.[4] In 2016 Glassdoor raised an additional $40 million from investors.[40]

Anonymity

[edit]

In November 2017, the U.S. Court of Appeals required disclosing Glassdoor's anonymous users' identities to prosecutors investigating possible criminal misconduct by their employers. Investigators sought to speak with reviewers who might have seen crimes committed. The court's decision did not require sharing reviewers' identities with employers.[41]

In June 2022, Glassdoor lost a defamation lawsuit, forcing it to unmask the identity of users of the Glassdoor website who anonymously left negative reviews about their former employer. The ruling was regarding Zuru, a New Zealand company.[42]

Following a policy change in 2024 which required all users to verify their identity, real names and other personal information were automatically added to user profiles. Per Glassdoor's terms of service, the data is sourced from third parties and other sister services.[12] While users could still leave anonymous reviews, news site Ars Technica claimed this made the service vulnerable to data leaks in cases of data breaches and subpoenas.[43]

References

[edit]
  1. ^ Associated Press, March 29, 2013, cbc.ca, Employees rate their employers, CEOs on Glassdoor
  2. ^ Green, Alisha (May 9, 2018) [May 8, 2018 U]. "Glassdoor acquired by Japan-based Recruit Holdings for $1.2 billion to create job-site giant". www.bizjournals.com.
  3. ^ Musil, Steven (May 8, 2018). "Glassdoor to be acquired for $1.2B by Japanese HR company". CNET. Retrieved May 8, 2018.
  4. ^ a b c Deborah Gage (6 January 2015). "Google Capital Leads $70 Million Round for Job Review Site Glassdoor". WSJ.
  5. ^ Wingfield, Nick (2014-04-14). "The Art of 'Something From Nothing'". The New York Times. ISSN 0362-4331. Retrieved 2023-10-03.
  6. ^ "The Art of 'Something From Nothing'". The New York Times. April 14, 2014.
  7. ^ a b Duncan Riley (March 27, 2008). "Stealth Startup Glassdoor.com Takes $3 Million Series B". TechCrunch. AOL.
  8. ^ Erik Schonfeld, TechCrunch, June 10, 2008, At Glassdoor, Find Out How Much People Really Make At Google, Microsoft, Yahoo, And Everywhere Else.
  9. ^ "At Glassdoor, Find Out How Much People Really Make At Google, Microsoft, Yahoo, And Everywhere Else". TechCrunch. AOL. June 10, 2008.
  10. ^ a b c "What Glassdoor Has Learned From Seven Years Of Studying Other Companies". Fast Company. July 17, 2015.
  11. ^ Rob Grant, Daily Telegraph, April 8, 2013, Facebook voted world's best employer
  12. ^ a b c d Hoover, Amanda. "Glassdoor Wants to Know Your Real Name". Wired. ISSN 1059-1028. Retrieved 2024-03-20.
  13. ^ (https://www.glassdoor.ie)
  14. ^ More, Josh (2013). Job Reconnaissance. Elsevier. ISBN 9780124166608.
  15. ^ Bassi, Laurie; Frauenheim, Ed; Costello, Lawrence (2011). Good Company. Berrett-Koehler Publishers. ISBN 9781609940638.
  16. ^ Calgary Herald, April 10, 2013, Website lets workers rate their bosses anonymously
  17. ^ Vanessa Wong, BusinessWeek, March 18, 2013, Why Employees Like Zuckerberg (and Other Popular CEOs)
  18. ^ Sarah K. White (June 4, 2015). "How Glassdoor's reviews help you find your dream job". CIO. Archived from the original on February 2, 2017. Retrieved February 10, 2016.
  19. ^ Nick Wingfield, Wall Street Journal, June 23, 2010, Employers Sound Off on Company Review Site
  20. ^ Julie Balise (October 14, 2015). "16 unusual interview questions you may face at Facebook". SFGate.
  21. ^ Zoref, Lior (2015). Mindsharing. Penguin. ISBN 9781101633649.
  22. ^ "CEO awful? Great culture? Pittsburgh-area firms among those graded on Glassdoor". Pittsburgh Post-Gazette.
  23. ^ Bob Corlett (June 3, 2015). "Are you suffering from 'Glassdoor angst'?". The Business Journals.
  24. ^ Huhman, Heather R. (November 13, 2017). "Glassdoor Has Changed Its Policy on Ex-Cons. Why You Should, Too". Entrepreneur. Retrieved November 15, 2017.
  25. ^ "Glassdoor lays off 30% of its staff, sees domino effect on its data". media.thinknum.com. Retrieved 2020-10-04.
  26. ^ "Glassdoor Lays off 140 employees - LayoffsTracker". 23 March 2023.
  27. ^ Thier, Jane (February 29, 2024). "Glassdoor is closing its final remaining offices in Chicago and San Francisco as it goes fully remote". Fortune. Retrieved 2024-03-20.
  28. ^ "Glassdoor: Of the top 25 U.S. jobs for work-life balance in 2015, 10 are in the tech industry – VentureBeat – Business – by Emil Protalinski". VentureBeat. 20 October 2015.
  29. ^ Maxwell Murphy (25 August 2015). "Glassdoor Offers Sneak Peek Into Coming CEO Pay-Ratio Disclosures". WSJ.
  30. ^ Julie Balise (October 7, 2015). "These are the 10 coolest offices, Glassdoor says". SFGate.
  31. ^ "New Glassdoor Survey Suggests "It's Who You Know" Is Only Slightly True For Job Seekers". Fast Company. August 12, 2015.
  32. ^ Lakin, Tom (7 September 2015). "Why you shouldn't ignore Glassdoor". HR Magazine.
  33. ^ Frith, Becky (3 August 2015). "Glassdoor trusted more than employers". HR Magazine.
  34. ^ "Recruit Holdings Announces Completion Of Glassdoor Acquisition". www.prnewswire.com (Press release).
  35. ^ Ingrid Lunden (8 September 2016). "Glassdoor acquires Brazil's Love Mondays to expand into Latin America". TechCrunch.
  36. ^ "Glassdoor Launches in Germany". Marketwired. January 15, 2015. Archived from the original on August 2, 2020. Retrieved November 6, 2017.
  37. ^ "Glassdoor Chief Operating Officer Christian Sutherland-Wong Promoted To President". Glassdoor About Us. 2019-02-12. Archived from the original on 2021-09-21. Retrieved 2019-07-09.
  38. ^ Sarah Perez, TechCrunch, October 31, 2012, Glassdoor Raises $20M Series D To Expand Internationally
  39. ^ "Career community Glassdoor raises $50M to ramp up international expansion – VentureBeat – Deals – by Devindra Hardawar". VentureBeat. 5 December 2013.
  40. ^ julieverhage, Julie Verhage (June 3, 2016). "Glassdoor Raises New Funding at a Higher Valuation While Public Markets Struggle". Bloomberg.com. Retrieved November 8, 2016.
  41. ^ "Court requires Glassdoor reveal identities of anonymous users – The American Genius". theamericangenius.com. 14 November 2017. Retrieved November 15, 2017.
  42. ^ "Glassdoor ordered to unmask former toy company employees who posted scathing criticism, showing the scary stakes of 'anonymous' reviews". Retrieved December 4, 2022.
  43. ^ Belanger, Ashley (2024-03-19). "Users ditch Glassdoor, stunned by site adding real names without consent". Ars Technica. Retrieved 2024-03-20.
[edit]

 

A sliding glass door

In architecture and construction, a sliding glass door (also patio door or doorwall[1][2]) is a type of sliding door made predominantly from glass, that is situated in an external wall to provide egress and light. The doors can give access to a backyard or patio while providing a pleasant view,[3][4] and when not fully covered can be a source of passive daylighting. Like a window, when open it also provides fresh air and copious natural light. It is considered a single unit consisting of two or more panel sections, some or all being mobile to slide open. Another design, a wall-sized glass pocket door has one or more panels movable and sliding into wall pockets, completely disappearing for a 'wide open' indoor-outdoor room experience.

The sliding glass door was introduced as a significant element of pre-war International style architecture in Europe and North America. Their predecessor is the sliding Shōji and Fusuma panel door in traditional Japanese architecture. The post-war building boom in modernist and Mid-century modern styles, and on to suburban ranch-style tract houses, multi-unit housing, and hotel-motel chains has made them a standard element in residential and hospitality building construction in many regions and countries.[5]

Terminology

[edit]

"Handedness" of a sliding door is expressed as seen by an observer outside the building. When standing outside, a left-handed door opens from left to right (when closed, the handle is on the far left), and a right-handed door opens from right to left (when closed, the handle is on the far right). These relationships are sometimes described with the letters O and X, where O is the fixed panel and X is the sliding panel. The O/X notation allows the description of doors with more than two panels.

Sliding-door terminology
Denotaton Panels Panel motion Description
OX or right-handed 2 Right panel slides left
XO or left-handed 2 Left panel slides right
OX-O 3 Center panel slides left
O-XO 3 Center panel slides right
XOOX 4 Outer panels slide toward the center
OXXO 4 Center panels slide toward outer ones

Design options

[edit]

Traditional

[edit]

The traditional sliding doors design has two-panel sections, one fixed-stationary and one mobile to slide open. The actual sliding door is a movable rectangular framed sheet of window glass that is mounted parallel to a similar and often fixed similarly framed neighboring glass partition. The movable panel slides in a fixed track usually, and in its own plane parallel to the neighboring stationary panel.

A specialty form, for Washitsu or "Japanese-style rooms," creates sliding Shōji and Fusuma panel doors, with traditional materials for interior uses[6] and contemporary adaptations for exterior exposure and uses. They are used in themed and contemporary restaurants, residences, Japanese garden tea houses, and other situations. Specialty manufacturers are located in Japan and Western countries

Disappearing

[edit]

Another sliding doors design, glass pocket doors has all the glass panels sliding completely into open-wall pockets, totally disappearing for a wall-less 'wide open' indoor-outdoor room experience. This can include corner window walls, for even more blurring of the inside-outside open space distinction. Two-story versions are often electronically opened, using remote controls. For wide expanses, the opening point is centered, and three to six parallel tracks are used to carry the six to twelve sliding doors into the wall pockets on each side. Their recent popularity, shelter magazine coverage and technical and structural innovations have brought many options to market.

Trackless and disappearing

[edit]

A third sliding doors design has all the glass panels suspended from above, leaving a trackless and uninterrupted floor plane. They also disappear into side pockets. On final closure, they slightly drop down to create a weatherproof seal. A German manufacturer developed the original technology, and its use is predominantly in temperate climates.

Opening corner

[edit]

The sliding glass doors can be adapted to slide away from a corner connection leaving no corner post or framing in its wake. The corner stile is made up of two vertical profiles, a male and female section, which slot together and then slide away with the sliding doors. This meeting point does not have to be 90 degrees; it can also be an inverted corner allowing these frames to fit within any design seamlessly.

Energy efficiency, heat loss and gain

[edit]

Swinging glass doors are a better choice than the typical sliding glass doors, since they offer a much tighter seal,[7] but glass – even the best type of glass, chosen according to the climate zone – is always a poor insulator, making doors based on them a poor choice from a thermal comfort perspective. To reduce their negative thermal impact on the living space, glass doors should have insulated frames and be double or triple glazed, with low-emissivity coatings and gas-filling (typically argon). Metal-framed glass doors should also have thermal breaks. The doors should be properly sized and protected (using shades, blinds, curtains and other means).

Uses

[edit]

Sliding glass doors are popular in Southern Europe and throughout the United States, being used in: hotel rooms, condominiums, apartments, and residences; for access to upper balconies; for large views out - enhanced natural light in; and to increase incoming fresh air. In addition Sliding glass doors are commonly used in some regions as doors between the interior rooms of a home and a courtyard, deck, balcony, patio, and a garden, backyard, barbecue or swimming pool area. They are often called patio doors in this context. They are also used in interior design, often in offices and automobile sales areas, to give soundproof but visually accessible private office space. In residential interiors they are used, often with translucent 'frosted' glass replicating a traditional Shōji door, to allow daylight to penetrate further into the dwelling and expand the sense of interior spatial size.[6]

Upvc Patio doors

Special sliding glass doors called platform screen doors are used on railway platforms in order to protect waiting passengers from the elements as well as to prevent suicide attempts. They're sometimes found on bathroom shower doors.[8]

Fabrication

[edit]

Sliding glass door frames are often made from wood, aluminum, stainless steel, or steel, which also have the most strength. The most common material is PVC plastic. Replacement parts are most commonly needed for the moving-sliding parts of the door, such as the steel rollers that glide within the track and the locking mechanisms.

Glazing

[edit]

Glass in the doors can be either externally fitted or internally fitted, with internally fitted being the high-security design, depending on the specification the manufacturer implements in the design. To comply with energy conservation codes and for noise reduction, sliding glass doors are usually double glazed, and often treated for UV reflection. They usually have no mullions, unless attempting to appear part of a revival architectural style and then often using 'snap-on' faux grids.

Security

[edit]

Security design in the doors is aimed at preventing the doors both fixed and sliding from being lifted off their rails, anti-lift blocks can be fixed to the top of the frame to prevent the lifting of the door off its rails, in theory preventing unauthorised entry to the room when sliding door is in the closed position.

A rotating security bar, commonly known as a "Charley bar"[9] can also be fitted from inside the room to prevent the sliding action when the door is closed. A portable security bar can also be used for added security when traveling, preventing intruders from breaking in while occupants are away.

See also

[edit]

References

[edit]
  1. ^ "A NEW ENTRANCE; Window Replaced With Sliding Glass". The New York Times. May 31, 1964. Retrieved December 9, 2022.
  2. ^ "Who Calls Sliding Doors "Doorwalls"?". April 3, 2021.
  3. ^ "The Great Outdoors: The entrance is a sliding glass door through which you can see the woods beyond". The New York Times. January 29, 2003. Retrieved December 9, 2022.
  4. ^ John Johnson (February 17, 1991). "Demand Is Strong, but Police Crackdowns and a Saturated Market Spell Trouble for One of L.A.'s Biggest Businesses". The Los Angeles Times. Retrieved January 10, 2023. tries to position a sliding glass door on the patio so that it will improve the shot
  5. ^ Jeff Zbar (November 21, 2019). "2019 Structures Awards: Part 1 - South Florida". BizJournals.com (South Florida). Retrieved January 10, 2023. floor-to-ceiling sliding glass doors .. mimic .. Spanish Revival residence .. Miami Beach
  6. ^ a b Elaine Louie (May 27, 1999). "STORAGE; Sliding Doors for the Cluttered or Clean". The New York Times. Retrieved January 10, 2023.
  7. ^ "Doors"; Energy.gov, USA
  8. ^ Tim McKeough (February 19, 2014). "Which Is Better, Shower Curtain or Glass Door?". The New York Times. Retrieved January 11, 2023.
  9. ^ Fennelly, Lawrence; Perry, Marianna (August 18, 2017). 150 Things You Should Know about Security. Butterworth-Heinemann. p. 23. ISBN 978-0-12-809508-9.
Roman sliding door tracks at Pompeii, Italy (1st century AD)

A sliding door is a type of door which opens horizontally by sliding, usually parallel to (and sometimes within) a wall. Sliding doors can be mounted either on top of a track below or be suspended from a track above. Some types slide into a space in the parallel wall in the direction of travel, rather than the door sliding along the outside of the parallel wall.[1] There are several types of sliding doors, such as pocket doors, sliding glass doors, center-opening doors, and bypass doors. Sliding doors are commonly used as shower doors, glass doors, screen doors, and wardrobe doors, and in vans.

History

[edit]

Sliding doors were used as early as the 1st century CE in Roman houses (as evidenced by archaeological finds in Pompeii, Italy). However, there is no evidence to confirm that the Romans were the first humans to have invented or used sliding doors.[2][3]

Sliding door gear

[edit]

The mechanism used to operate a sliding door is called sliding door gear. There are two standard types: top-hung or bottom rolling systems. Both types do not have a perfect seal. To reduce air- and smoke-tightness and improve sound insulation, brush seals are commonly used.[1]

Top-hung sliding doors

[edit]
Some sliding doors run on a wall-mounted rail, like this one
Sliding doors in a modern wardrobe

The 'top-hung' system is most often used. The door is hung by two trolley hangers at the top of the door running in a concealed track; all the weight is taken by the hangers, making the door easier to move.[4]

At each end is a track stopper to absorb any impact made if the door is slammed and to hold the door in the open or closed position. All top-hung sliding door gear systems have a maximum weight limit per pair of trolley hangers.

As the door is hung at the top from two points, it also needs a bottom track/stay roller[5][clarification needed] to prevent it from swinging sideways. The most common type is called 'clear threshold guiding', a floor-fixed plastic guide about 60 millimetres (2.4 in) wide which is fixed below the door at the midpoint of its run. A groove is cut into the bottom of the door which runs over this guide, preventing lateral movement of the door. With a glass door, the panel runs through the guide as illustrated. Because the door is always engaged in the guide, when the door is open, the floor is clear; hence 'clear threshold'.

The bottom of the doors are held in place on tracks. The rollers also have safety locks that prevent the doors from jumping off the tracks. Additional devices include soft-closers and dampeners, which make it easier to close the door gently.

A popular top-hung sliding door type is the barn door, inspired from countryside barns, in modern homes of Scandinavian styles.

Bottom-rolling door gear

[edit]

Sometimes a top-hung system cannot be used, as the weight of the door cannot be supported from above; in this case, a bottom-rolling system may be used.

A bottom-rolling system consists of two rollers (sometimes called a sheave) at the bottom of the door running on a track, and two guides at the top running in a guide channel. As all the weight of the door is concentrated on the two bottom wheels, more force is needed to move the door than on a top-hung system.[citation needed]

Lift-and-slide door gear

[edit]

A sliding door that is lifted from the frame during opening and closing is called a lift-and-slide door. This allows for a better seal, with less draught and better soundproofing.[1]

Automatic sliding doors

[edit]
Automatic door in Hong Kong

Some sliding doors contain a motor and activation system to open them. These are called sliding door operators. Automatic sliding doors are commonly found in offices and shop entrances. These doors contain a magnetic locking mechanism that automatically unlocks during emergencies.[1]

Usage

[edit]

Advantages of sliding doors are the small space requirements for door-opening, and their relative ease of automation. The mechanism is also secure, since it cannot be lifted out of its hinges.[6] Sliding doors are commonly found as store, hotel, and office entrances, used in elevators, and used as patio doors, closet doors and room dividers.[7] Sliding doors are also used in transportation, such as in vans and both overground and underground trains. Volkswagen used these doors in the Volkswagen Fridolin produced between 1964 and 1974.

See also

[edit]

References

[edit]
  1. ^ a b c d Hochberg, Anette; Hafke, Jan-Henrik; Raab, Joachim (2010). Open I Close: Windows, Doors, Gates, Loggias, Filters. Birkhäuser Verlag AG. p. 116.
  2. ^ Moeller, Walter O. (1976). The Wool Trade of Ancient Pompeii. p. 47.
  3. ^ Bulwer Lytton Baron Lytton, Edward (1893). The Last Days of Pompeii. Estes and Lauriat.
  4. ^ Jones, Peter; Kornblum, Mary (1987). Shelves, Closets and Cabinets. Sterling Publishing Company, Inc. p. 80.
  5. ^ Hall, Dennis J.; Giglio, Nina M. (2011). Graphic Standards Field Guide to Residential Construction. John Wiley & Sons. p. 323.
  6. ^ Reid, Robert N. (2005). Facility Manager's Guide to Security: Protecting Your Assets. The Fairmont Press, Inc. p. 80.
  7. ^ Simmons, Leslie L. (2011). Olin's Construction: Principles, Materials, and Methods. John Wiley & Sons.
[edit]

Media related to Sliding doors at Wikimedia Commons

 

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It depends on the extent and location of the damage. Small chips and cracks can sometimes be repaired, but larger breaks or damage near the edges usually require replacement.
Common options include tempered glass, insulated glass units (IGUs), and laminated glass. IGUs, which consist of two or more panes of glass with a gas-filled space between them, offer the best energy efficiency.
The timeframe varies depending on the availability of the required glass and the companys schedule. Repairs can sometimes be completed within a few days, while replacements might take a week or two.