When used to coat the exterior surface this product will act as a protective coating for the foam board. Rubr-Coat may be used to adhere foam board insulation to masonry surfaces. This multi-use product forms a tough rubberized seal for lasting protection on a variety of surfaces. As a Foundation Coating, this product seals masonry, foam board insulation, wood and metal surfaces to protect, preserve and damp-proof, below grade surfaces. I am hoping that it won't get tacky when the weather gets hot, but I have read posts from people who say it won't. I want to use this on the inside floor of my coop, and plan on painting it on about a foot up the walls from the floor as well. As a Roof Coating, this product seals worn out roof surfaces and provides a tough flexible waterproof seal. So I have been hearing great things about Black Jack Rubr-Coat No. You will need the Black Jack Silicone Roof Coating and or the patch as well. The addition of rubber enhances performance by improving crack resistance, life expectancy and adds increased waterproofing protection. A: No, do not use this item on your RV roof. Rubr-Coat has exceptional adhesion to existing roofing, masonry surfaces, wood, foam board insulation and metal surfaces. This liquid applied asphalt coating has a blend of rubber and reinforcing fibers to provide a strong, flexible, waterproof seal. When used to coat the exterior surface this product will act as a protective coating for the foam board.Black Jack Rubr-Coat #57 is a premium rubberized coating for waterproofing roofs and foundations. As a Roof Coating, this product seals worn out roof surfaces and provides a tough flexible waterproof seal. The addition of rubber enhances performance by improving crack resistance, life expectancy and adds increased waterproofing protection. This liquid applied asphalt coating has a blend of rubber and.

This liquid applied asphalt coating has a blend of rubber and reinforcing fibers to provide a strong, flexible, waterproof seal. Black Jack Rubr-Coat 57 is a premium rubberized coating for waterproofing roofs and foundations. Black Jack® Rubr-Coat #57 is a premium rubberized coating for waterproofing roofs & foundations.

Black jack rubr coat no. 57