Resin-based Slate
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References
[1] www.koppers.com/roofing/ roofdirinsul.htm
[2] http://www.e-roofing.com/flat_roof_systems.html
[3] ASTM C 406-00 Standard Specification for Roofing Slate.
[1] www.koppers.com/roofing/ roofdirinsul.htm
[2] http://www.e-roofing.com/flat_roof_systems.html
[3] ASTM C 406-00 Standard Specification for Roofing Slate.