Black Jack® Silicone Roof Patch Boat & Marine Supplies ÊDesigned exclusively for the residential

ÊDesigned exclusively for the residential market

Durable non-conductive PVC will not rust or corrode

Depth of cut at 90 deg: 2-1/4'

Look for identification marks on the key head (bow)

Black Jack® Silicone Roof Patch Boat & Marine Supplies ÊDesigned exclusively for the residentialBlack Jack Silicone Roof Patch is a heavy duty, white rubber sealant that provides the ultimate waterproofing protection from the elements. This product has exceptional adhesion and flexibility and is compatible with most building materials. Use to make repairs on damaged roof areas. In hot or cold climates, this waterproof seal will permanently stretch to prevent cracking and peeling.