Fiber Expansion Joint, 1/2" W x 4" H x 5' L
This fiber expansion joint is composed of cellular fibers securely bonded together and uniformly saturated with asphalt to assure longevity. When compressed to half of its original thickness, it will recover to a minimum of 70% of its original thickness.
• 1/4" wide x 4" high x 5' long
• Complies with ASTM D1751