PermaGrain
The UltraTec system of engineered hardwood flooring has earned a Class "A" Flame Spread Rating in accordance with ASTM E-84, the Steiner "Tunnel Test. Key to the system is TecCore, a patented material made from recycled materials and high technology resin. Product's high degree of moisture resistance allows installation over "green" slabs without the use of water proofing techniques. TecCore's exceptional hardness prevents "telegraphing," thereby reducing subfloor prep time
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PB Topical Ref
