Expanding Closure, 1" x 1" x 19' 8"

The Expanding closure is pre-compressed, self-expanding, and impregnated with acrylic sealant. It works great for sealing under and over panel ribs at angled areas like hips and valleys, as well as other irregular voids where regular closures cannot be used.

• Size: 1" x 1" x 19' 8"