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2. Gypsum concrete - Wikipedia

   en.wikipedia.org/wiki/Gypsum_concrete

   Gypsum concrete is a building material used as a floor underlayment used in wood-frame and concrete construction for fire ratings, sound reduction, radiant heating, and floor leveling. [1] It is a mixture of gypsum plaster, Portland cement , and sand .

3. Best Garage Floor Paint: Latex, Acrylic, or Epoxy? - AOL

   www.aol.com/best-garage-floor-paint-latex...

   They have to dry for 24 hours before you can walk on them, and some take as long as a week to fully cure before you can park a car on them. The best epoxy kits for a 2½-car garage are about $500 ...

4. Self-leveling concrete - Wikipedia

   en.wikipedia.org/wiki/Self-leveling_concrete

   Self-leveling concrete was invented in 1952 by Axel Karlsson from Sweden. The first product was a combination of wood glue, fine sand and cement with additives. [1] It was called flytspackel, which directly translates to "floating putty". The term self-leveling can be traced back to a patent applied by the company Lafarge in 1997. [2]

5. Floor - Wikipedia

   en.wikipedia.org/wiki/Floor

   Floor vibration is a problem with floors. Wood floors tend to pass sound, particularly heavy footsteps and low bass frequencies. Floating floors can reduce this problem. Concrete floors are usually so massive they do not have this problem, but they are also much more expensive to construct and must meet more stringent building requirements due ...

6. Cross-laminated timber - Wikipedia

   en.wikipedia.org/wiki/Cross-laminated_timber

   Thermal insulation – CLT panels provide air tightness and great thermal insulation to buildings as the thermal conductivity (U) of a panel is approximately 0.3458 W/m 2 K. [19] Other common building materials can have U values ranging from 0.4 to 2.5 W/m 2 K. [20] The various layers of wood also serve as a thermal mass, which can help reduce ...

7. Truss connector plate - Wikipedia

   en.wikipedia.org/wiki/Truss_connector_plate

   Nail plates are used to connect timber of the same thickness in the same plane. When used on trusses, they are pressed into the side of the timber using tools such as a hydraulic press or a roller. As the plate is pressed in, the teeth are all driven into the wood fibers simultaneously, and the compression between adjacent teeth reduces the ...