What Are Roofs Made Of?


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Rena Chisholm Profile
Rena Chisholm answered
There are several different roofing materials.
   Most roofs have a layer of plywood which is called the sub-roof, then have roofing material applied over top of it.
  Some roof coverings are; Shingles- tiles- tin- tar and gravel- and rolled roofing over top of felt or what is called tar paper.

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