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Exceptional® Metals introduces Exceptional® HT (high-temperature) underlayment and primer. The underlayment is a self-adhesive membrane composed of SBS-modified bitumen designed to withstand service temperatures up to 240° F (116° C). EXCEPTIONAL HT can provide a durable, walkable, temporary surface for up to 90 days until a roofing system can be installed. Adhesion can be enhanced by applying EXCEPTIONAL HT Primer. These products are part of a full portfolio of products that can be ordered together.
