Black Jack® Silicone Roof Patch Boat & Marine Supplies Look for identification marks on

Look for identification marks on the key head (bow)

ÊDesigned exclusively for the residential market

concrete patcher

Patterns for all watering needs

so this choice will also save you some money

Black Jack® Silicone Roof Patch Boat & Marine Supplies Look for identification marks onBlack 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.