Fibered Aluminum Reflective Roof Coating 4.75 GL, Black Jack Silver Seal 300 - No. 5175-A-30 Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best). Black Jack® Silver Seal 700 is a premium liquid applied aluminized roof coating. The high content of aluminum pigment forms a brilliant reflective and protective finish to your roof. This will reflect the suns heat and UV rays, which helps energy efficiency and enables to roof life to be extended. BLACK JACK Silver Seal 300 is a liquid applied, coating that forms a reflective and protective finish to roofs. This blend of asphalt and aluminum forms a bright silver finish that reflects heat and UV rays. This product will seal and waterproof a variety of roof and outside wall surfaces.
How Much Should I Buy?
Coverage is provided as a range to accommodate variations in surface porosity. On the roof, smoother surfaces like metal will achieve better coverage rates and require less product. The same applies on the ground. Driveways that are in better condition will absorb less.
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How do I calculate square footage?
Square footage is based on multiplying the length of an area x width of that area.
What about non-rectangular areas?
In those instances, you need to break the area down into smaller rectangles. For instance, an L-shaped surface can be broken into 2 smaller rectangles (see illustration below). Add the 2 areas (100 + 200 = 300 sq ft) to get a total.
Rustoleum Fibered Aluminum Roof Coating
Printable blackjack betting chart. For areas where you will not apply product, subtract that area from the total.