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Conforms to ASTM (American Society for Testing and Materials) C794
Angle is cut from rolled structural steel and provides greater reinforcement strength than if the steel was bent into shape
and have a 7 In
For 3/4" or 1-3/8" doors up to 50 lb
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MasterSeal 581 50 Lb. Gray Masonry Waterproofer wi-fi Conforms to ASTM (American SocietyFormerly known as Thoroseal. MasterSeal 581 is a Portland cement based coating for concrete and masonry that provides protection against water, dampness, and seepage. Mixed with MasterEmaco A 660, MasterSeal 581 creates a low maintenance and highly durable waterproof barrier that is NSF certified for potable water applications.