Thermal-Grip Flat Washer - (1000 Pcs/Box)Introducing the Thermal Grip Flat Washer, an innovative solution meticulously designed for superior performance in air barrier systems. Boasting a substantial 2" diameter, this washer is engineered to provide unparalleled support and stability for your roofing insulation materials. Made in the USA and showcasing a commitment to excellence and innovation, the Thermal Grip Flat Washer is both patented and or patent pending, reflecting its unique design
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