ROOF X TENDER® 983 Ultra Base is a water borne epoxy formulated for use with Roof X Tender silicone coating. This product is used as a primer/base coat prior to application of ROOF X TENDER® 985 Super Silicone. Application of 983 Ultra Base helps to prevent bleed-through over asphalt substrates. Additionally, Ultra Base has been designed to use with Polyester Reinforcement. The addition of polyester reinforcement creates a fully adhered and seamless coating that is stronger, more versatile and 100% waterproof.

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