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2. List of commercially available roofing materials - Wikipedia

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

   The outer layer of a roof shows great variation dependent upon availability of material, and the nature of the supporting structure. Those types of roofing material which are commercially available range from natural products such as thatch and slate to commercially produced products such as tiles and polycarbonate sheeting. Roofing materials ...

3. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   Sheets of PMMA are commonly used in the sign industry to make flat cut out letters in thicknesses typically varying from 3 to 25 millimeters (0.1 to 1.0 in). These letters may be used alone to represent a company's name and/or logo, or they may be a component of illuminated channel letters.

4. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   The underlayment also sheds any water which penetrates the roof covering from an ordinary leak, a leak from wind-driven rain or snow, wind damage to the roof covering, or ice dams. However, the application of underlays may increase the roof temperature, which is the leading cause of ageing of asphalt shingles. Not installing an underlay may ...

5. Vernon supervisors approve roof project despite price increase

   www.aol.com/news/vernon-supervisors-approve-roof...

   Apr. 12—VERNON TOWNSHIP — A project to replace the roof of the municipal office side of the Vernon Township Building was approved unanimously Thursday despite a significant price increase.

6. 'There's a magic number': Barbara Corcoran tells Americans ...

   www.aol.com/finance/theres-magic-number-barbara...

   Corcoran says “there’s a magic number” that could make homebuyers crawl out of the woodwork, stir up demand — and cause home price growth to escalate even further.

7. Aluminium oxynitride - Wikipedia

   en.wikipedia.org/wiki/Aluminium_oxynitride

   Aluminium oxynitride is the hardest polycrystalline transparent ceramic available commercially. [ 2 ] [ needs update ] Because of its relatively low weight, distinctive optical and mechanical properties, and resistance to oxidation or radiation, it shows promise for applications such as bulletproof , blast-resistant, and optoelectronic windows ...