JD Glass & Door Company
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JD Glass & Door Company
|Posted on April 21, 2020 at 8:37 AM||comments (160)|
this coronavirus sucks
|Posted on May 29, 2018 at 9:32 PM||comments (2)|
A door is a moving mechanism used to block off and allow access to an entrance to a building, room or vehicle. Doors normally consist of one or two solid panels, with or without windows, that swing on hinges horizontally. These hinges are attached to the door's edge but there are also doors that slide, fold or spin. The main purpose of a door is to control access.
Doors are significant in preventing the spread of fire and act as a barrier to noise. Many doors are equipped with locks to allow entrance to certain people and keep out others.
When opened, doors can allow almost anything to pass through. The door is used to control the physical atmosphere within a space by enclosing the air drafts, so that interiors may be more effectively heated or cooled. When closed, a door normally impedes the transfer of air from one side to the other. Similar structures that do allow air to be transferred through some form of a grillwork are called gates.
Doors may have an aesthetic purpose in creating an impression of what lies beyond; for example, keeping administrative and factory areas of a building separate. In less formal settings, doors may also be seen as a sign of the desire for privacy. As a form of courtesy and civility, people often knock before opening a door and entering a room. Some doors even have designated "knockers."
Doors are often symbolically endowed with ritualistic purposes. For example, being granted access to a door, including the guarding or receiving of the key to that door, may have special significance. Similarly, doors and doorways frequently appear in literature and the arts in metaphorical or allegorical context, often as a portent of change.
Credit to Wikipedia for great information on doors!
|Posted on May 7, 2018 at 9:06 PM||comments (1)|
I think it’s very important to know what type of glass you want or possibly need (depending on the situation). That is what I found this brief article reviewing the characteristics of tempered safety glass.
Tempered glass is physically and thermally stronger than normal glass. The greater contraction of the inner layer during manufacturing induces compressive stresses in the surface of the glass balanced by tensile stresses in the body of the glass. For glass to be considered toughened, this compressive stress on the surface of the glass should be a minimum of 69 megapascals (10,000 psi). For it to be considered safety glass, the surface compressive stress should exceed 100 megapascals (15,000 psi). As a result of the increased surface stress, if the glass is ever broken it only breaks into small circular pieces as opposed tolarge jjagged shards. This characteristic makes tempered glass safe for high-pressure and explosion proof applications.
It is this compressive stress that gives the toughened glass increased strength. This is because annealed glass, which has almost no internal stress, usually forms microscopic crackson the surface, and any applied tension gets magnified at the surface, reducing the applied tension needed to propagate the crack. Once it starts propagating, tension gets magnified even more easily, causing it to propagate at the speed of sound in the material. Consequently, annealed glass is fragile and breaks into irregular and large sharp pieces. Any cutting or grinding must be done prior to tempering. Cutting, grinding, and sharp impacts after tempering will cause the glass to fracture.
The strain pattern resulting from tempering can be observed with polarized light or by using a pair of polarizing sun glasses.
All credit due to Wikipedia for information regarding tempered safety glass.
If you’re in need of new storefronts, glass repairs, door repairs, automatic doors, automatic door service, give JD Glass & Door a call!
Laminated safety glass
|Posted on May 4, 2018 at 10:49 PM||comments (92)|
Laminated glass is a type of safety glass that holds together when shattered, like a cars windshield. In the event of breaking, it is held in place by an interlayer, usually made of polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA), between its two or more layers of glass. The interlayer keeps the layers of glass bonded even when broken, and its high strength prevents the glass from breaking up into large sharp pieces. This produces a characteristic "spider web" cracking pattern when the impact is not enough to completely pierce the glass. In the case of the EVA, the thermoset EVA, offers a complete bounding (cross-linking) with the material whether it is glass, polycarbonate, PET, or other types products.
Laminated glass is normally used when there is a possibility of human impact or where the glass could fall if shattered and also for architectural applications. Skylight glazing and automobile windshields typically use laminated glass. In geographical areas requiring hurricane-resistant construction, laminated glass is often used in exterior storefronts, curtain walls and windows.
Laminated glass is also used to increase the sound insulation rating of a window, where it significantly improves sound attenuation compared to monolithic glass panes of the same thickness. For this purpose a special "acoustic PVB" compound is used for the interlayer. In the case of the EVA material, no additional acoustic material is required, since the EVA provides sound insulation. An additional property of laminated glass for windows is that a PVB and EVA interlayer can block essentially most ultraviolet radiation. A thermoset EVA could block up to 99.9% of the UV rays.
Credit to Wikipedia for this article on laminated safety glass.
Don’t forget to call JD Glass & Door if you’re in need of automatic doors, automatic door service, storefronts, glass repair, glass replacement, and even door service!
|Posted on May 3, 2018 at 9:40 PM||comments (2)|
Plate glass or annealed glass are a type of glass, initially produced in flat form, commonly used for windows, glass doors, transparent walls, and windscreens. For modern architectural and automotive applications, the flat glass is sometimes bent after production of the plane sheet. Flat glass stands in contrast to container glass(used for bottles, jars, cups) and glass fibre(used for thermal insulation, in fibreglasscomposites, and optical communication).
Flat glass has a higher magnesium oxideand sodium oxide content than container glass, and a lower silica, calcium oxide, and aluminium oxide content. (From the lower soluble oxide content comes the better chemical durability of container glass against water, which is required especially for storage of beverages and food).
Most flat glass is soda–lime glass, produced by the float glass process. Other processes for making flat glass include:
If you’re in the market for new automatic doors, automatic door service, glass repair, glass replacement, door repair, door service or even brand new doors, give JD Glass & Door a call!
Credit due to Wikipedia for the content in this blog.
The life expectancy of insulated glass
|Posted on May 2, 2018 at 9:25 PM||comments (192)|
The life of an IGU varies depending on the quality of materials used, size of gap between inner and outer panel, temperature differences, workmanship and location of installation both in terms of facing direction and geographic location, as well as the treatment the unit receives. IG units typically last from 10 to 25 years, with windows facing the equator often lasting less than 12 years. IGUs typically carry a warranty for 10 to 20 years depending upon the manufacturer. If IGUs are changed (such as installation of a solar control film) the warranty may be voided by the manufacturer.
The Insulating Glass Manufacturers Alliance undertook an extensive study to characterize the failures of commercial insulating glass units over a 25-year period all across the country.
For a standard construction IG unit, condensation collects between the layers of glass when the perimeter seal has failed and when the desiccant has become saturated, and can generally only be eliminated by replacing the IGU. Seal failure and subsequent replacement results in a significant factor in the overall cost of owning IGUs.
Large temperature differences between the inner and outer panes stress the spacer adhesives, which can eventually fail. Units with a small gap between the panes are more prone to failure because of the increased stress.
Pressure changes combined with wet weather can, in rare cases, eventually lead to the gap filling with water.
The flexible sealing surfaces preventing infiltration around the window unit can also degrade or be torn or damaged. Replacement of these seals can be practically impossible, due to IG windows commonly using extruded channel frames without seal retention screws or plates. Instead, the edge seals are installed by pushing an arrow-shaped indented one-way flexible lip into a slot on the extruded channel, and often cannot be easily extracted from the extruded slot to be replaced.
In Canada, since the beginning of 1990, there are some companies offering servicing of failed IG units. They provide open ventilation to the atmosphere by drilling hole(s) in the glass and/or spacer. This solution often reverses the visible condensation, but cannot clean the interior surface of the glass and staining that may have occurred after long-term exposure to moisture. They may offer a warranty from 5 to 20 years. This solution lowers the insulating value of the window, but it can be a "green" solution when the window is still in good condition. If the IG unit had a gas fill (e.g. argon or krypton or a mixture) the gas is naturally dissipated and the R-value suffers.
Since 2004, there are also some companies offering the same restoration process for failed double-glazed units in the UK, and there is one company offering restoration of failed IG units in Ireland since 2010.
Thank you to Wikipedia for helping clarify information regarding the longevity of insulated units.
Call JD Glass & Door for new storefront, automatic doors, glass repair, insulated glass replacement, and door service!
|Posted on May 1, 2018 at 9:34 PM||comments (99)|
Since your looking for a glass company, you might be interested in how glass is cut. Since I try to be ahead of the curve I’m just going to go ahead and source this article from Wikipedia about the history of glass cutters.
A glass cutter is a tool used to make a shallow score in one surface of a piece of glass that is to be broken in two pieces. The scoring makes a split in the surface of the glass which encourages the glass to break along the score. Regular, annealed glass can be broken apart this way but not tempered glass as the latter tends to shatter rather than breaking cleanly into two pieces.
A glass cutter may use a diamond to create the split, but more commonly a small cutting wheel made of hardened steel or tungsten carbide 4–6 mm in diameter with a V-shaped profile called a "hone angle" is used. The greater the hone angle of the wheel, the sharper the angle of the V and the thicker the piece of glass it is designed to cut. The hone angle on most hand-held glass cutters is 120°, though wheels are made as sharp as 154° for cutting glass as thick as 0.5 inches (13 mm). Their main drawback is that wheels with sharper hone angles will become dull more quickly than their more obtuse counterparts. The effective cutting of glass also requires a small amount of oil (kerosene is often used) and some glass cutters contain a reservoir of this oil which both lubricates the wheel and prevents it from becoming too hot: as the wheel scores, friction between it and the glass surface briefly generates intense heat, and oil dissipates this efficiently. When properly lubricated a steel wheel can give a long period of satisfactory service. However, tungsten carbide wheels have been proven to have a significantly longer life than steel wheels and offer greater and more reproducible penetration in scoring as well as easier opening of the scored glass.
In the Middle Ages, glass was cut with a heated and sharply pointed iron rod. The red hot point was drawn along the moistened surface of the glass causing it to snap apart. Fractures created in this way were not very accurate and the rough pieces had to be chipped or "grozed" down to more exact shapes with a hooked tool called a grozing iron. Between the 14th and 16th centuries, starting in Italy, a diamond-tipped cutter became prevalent which allowed for more precise cutting. Then in 1869 the wheel cutter was developed by Samuel Monce of Bristol, Connecticut, which remains the current standard tool for most glass cutting.
Large sheets of glass are usually cut with a computer-assisted CNC semi-automatic glass cutting table. These sheets are then broken out by hand into the individual sheets of glass (also known as "lites" in the glass industry).
Glass cutters are manufactured with wheels of varying diameters. One of the most popular has a diameter of 5.5 mm (⁄ in). The ratio between the arc of the wheel and the pressure applied with the tool has an important bearing on the degree of penetration. Average hand pressure with this size wheel often gives good results. For a duller wheel on soft glass a larger wheel (e.g., 6 mm (⁄ in) will require no change in hand pressure. A smaller wheel (3 mm (⁄ in)) is appropriate for cutting patterns and curves since a smaller wheel can follow curved lines without dragging.
The sheet of glass is typically lubricated along the cutting line with a light oil. The cutter is then pressed firmly against the surface of glass and a line is briskly scribed to form a "score" or "cut". The glass is now weakened along this line and the panel is ready to be split. Running pliers may then be used to "run" or "open" to the split.
General purpose glass is mostly made by the float glass process and is obtainable in thicknesses from 1.5 to 25 mm (⁄ to 1 in). Thin float glass tends to cut easily with a sharp cutter. Thicker glass such as 10 mm (⁄ in)) float glass is significantly more difficult to cut and break; glass with textured or patterned surfaces may demand specialized methods for scoring and opening the cuts.
All credit to Wikipedia.com for information regarding glass cutters.
Call JD Glass & Door for storefront, automatic doors, glass repairs, and door service!
|Posted on April 15, 2018 at 4:51 PM||comments (109)|
Today we had our first commercial shot which will launch in a few days. It was pretty fun and interesting going through scripts and different action shots to see some of our capabilities. It took some time just getting some of the different shots but now the hard work begins for our filmmaker. He’ll be taking all of our footage today and doing some editing to make everything look and sound great! It’s definitely a strange feeling when you put yourself on camera for what could potentially be the entire world to watch (highly exaggerated, I know lol). It leaves you feeling very vulnerable on camera. Put me on a job site and I’ll have everything under control, put me in front of a camera and I realize that I was never meant to be an actor. Either way I’ll be working on it so I feel more confident when I step in front of the camera. Pretty soon I’ll have the same confidence on the screen as I do at work. We’re the best for a reason in our industry and I want that to come across when you see me on the screen.
Commercials aside, you can have confidence when you give us a call for your new storefront, automatic door installation or service, and even your door repairs! JD Glass & Door is licensed, insured, and we have well over 100 years of combined experience. So, don’t hesitate to give us a call if you want your job done professionally, efficiently, and most importantly - the correct way the first time. Call us at 215-332-3000
JD Glass & Door - Providing peace of mind
|Posted on April 12, 2018 at 8:38 PM||comments (109)|
After a few years in the same location it feels like we might be ready for a move. We’ve been pressing hard and at the rate we’ve been growing it seems like we’ve magically run out of space. While it might be a bad thing for the short term, it also means we’ve gained a lot of momentum and are getting a lot of return customers for the long term. The next question will have to be to decide whether we should try to find an existing building that will accommodate us or to explore the option of possibly having a building built to fit our needs. Regardless, nothing is cheap these days so we just have to make sure that whatever we decide to do makes sense. If we decide to build we will have to make sure we build the appropriate size building because the last thing we want to do is have something built and have it made too big or too small for what we’re doing and the degree to which we want to grow. It’s definitely not easy when your company is growing but one thing I can say is that it’s definitely exciting! You never know what’s around the bend or where the next opportunity might present itself.
As far as opportunities go, now is a great time to give us a call for Tormax automatic doors, new storefront installation, glass repairs, or door repairs. JD Glass & Door will always be here to solve your problems! So, give us a call at 215-332-3000 and just watch as we exceed all of your expectations!
Flyers / sixers
|Posted on April 11, 2018 at 9:45 PM||comments (96)|
What the hell, Flyers! How are you going to give up 7 (at the moment of writing this) goals in the opener of the playoffs? We’re playing our arch rival and you guys put up a total dud. I mean, we came into the playoffs pretty hot and this is what happens. I know Pittsburgh has had our number all year but once the playoffs roll around you need to start fresh and put the best foot forward. After seeing the eagles and Villanova win it all I thought for sure that it might’ve rubbed off on them. Hopefully they turn it around for game 2 and show everyone what they’re actually made of and not the bs outing they gave tonight. I guess it’s also only game 1.... it is a seven game series after all. Maybe I shouldn’t be such a Debbie downer.
Aside from the flyers, how about the sixers absolutely killing it! In what’s looking like a potential 16 straight and 52 wins overall, they might be the biggest surprise this season. They’ve gotten consistently better with what seems like every single game. It’s really cool to watch such a young team grow and learn together throughout the season. Without bias, I honestly think the sixers will be one of the most fun teams to watch over the next few years. You literally can’t do better than embiid and Simmons as the pillars of your franchise moving forward.
But let’s get back to business here! If you’re in the market for automatic doors, a new storefront, glass repair, or door repair give JD Glass & Door a call at 215-332-3000. We will without a doubt have you covered with whatever it is that you might need. You can look on our Instagram page to stay updated on the projects that we’ve completed or are in the process of finishing.
JD Glass & Door - Providing peace of mind
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