Automatic Door Bottom Seal

Door Bottom Seal / Sweep Automatic Door Bottom Seal is designed for maximum weather, sound control and also provides fire and smoke safety. The closed-cell sponge double neoprene rubber seal provides a strong and reliable seal. It utilizes a concealed flat spring mechanism which is activated when the door is closed. The seal lowers against the floor or a saddle and ensures a smooth drop with every closing of the door, it then retracts...

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Stainless steel

Stainless steel Stainless steel, also known as inox steel or inox from French “inoxydable”, is defined as a steel alloy with a minimum of 10.5%[1] to 11% chromium content by mass. Stainless steel does not readily corrode, rust or stain with water as ordinary steel does, but despite the name it is not fully stain-proof, most notably under low oxygen, high salinity, or poor circulation environment. It is also called...

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Ceramic insulators

CERAMIC INSULATORS Ceramic materials are not related at all to plaster or cement in the way they are processed !! A ceramic is an inorganic, nonmetallic solid prepared by the action of heat and subsequent cooling. Ceramic materials may have a crystalline or partly crystalline structure, or may be amorphous (e.g., a glass). Because most common ceramics are crystalline, the definition of ceramic is often restricted to inorganic crystalline...

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Finishing woodwork with TUNG OIL

Tung oil Vs Polyurethane Polyurethane is basically like a coating of plastic that sits on top of the wood. If it gets scratched, the polyurethane is scratched, not the wood. The same goes for spills and other mishaps. However, even though polyurethane is harder than the wood, it isn’t scratch proof. You don’t want a thick glossy coating on you table. And you certainly don’t want it to look like scratched plastic after it gets beat it up...

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Shapira Builders on Angie’s List

Installation of replacement front double doors and framing and installation of new double security front door.    Member Comments:  Needless to say, Dov Shapirareally knows what he is doing. His work was excellent. He arrived exactly on time, was very professional and offered his experience in an understandable manner.I ordered my doors from Home Depot and had them delivered prior to contacting Mr. Shapira Dov came by a few days before...

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Gravity

We all know that we are much heavier on earth than we are on the moon. The earth is much bigger so the gravity power is greater.  Here my question, If there was air on the moon, will the air add to your weight or will make you lighter? The right answer is, YES it will make you lighter. If you want to know why, click on the tab ‘Contact Us‘ and shoot me an email or leave a comment below the picture. Thank...

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