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2. List of commercially available roofing materials - Wikipedia

   en.wikipedia.org/wiki/List_of_commercially...

   Roofing material is the outermost layer on the roof of a building, sometimes self-supporting, but generally supported by an underlying structure. A building's roofing material provides shelter from the natural elements. The outer layer of a roof shows great variation dependent upon availability of material, and the nature of the supporting ...

3. Twinwall plastic - Wikipedia

   en.wikipedia.org/wiki/Twinwall_plastic

   Although single layer polycarbonate sheeting is more flexible than polycarbonate in twinwall configuration, it still retains significant advantages over alternative materials, including glass. A typical 6mm sheet has a density of 0.72 g/cm^2 [ 6 ] and a thermal insulation R value of 0.3 m^2°C/W, while allowing 80% of visible light pass through ...

4. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   Polycarbonate is commonly used in eye protection, as well as in other projectile-resistant viewing and lighting applications that would normally indicate the use of glass, but require much higher impact-resistance. Polycarbonate lenses also protect the eye from UV light.

5. Houston's plastic waste piles up waiting for "advanced" recycling

   www.aol.com/houstons-plastic-waste-piles-waiting...

   Houston seeks to be a national model for plastic recycling. But a program that started in 2022 hasn't yet found its footing. Houston's plastic waste piles up waiting for "advanced" recycling

6. Polyvinyl chloride - Wikipedia

   en.wikipedia.org/wiki/Polyvinyl_chloride

   PVC may be extruded under pressure to encase wire rope and aircraft cable used for general purpose applications. PVC coated wire rope is easier to handle, resists corrosion and abrasion, and may be color-coded for increased visibility. It is found in a variety of industries and environments both indoor and out. [46]

7. Houston's plastic waste piles up, waiting on "advanced ... - AOL

   www.aol.com/houstons-plastic-waste-piles-waiting...

   Houston says it has collected 250 tons of plastic since the end of 2022, but almost none of it has been recycled yet. Houston's plastic waste piles up, waiting on "advanced recycling" Skip to main ...