Roof Coating Material Square Footage

How do i calculate square footage.

Roof coating material square footage. For instance a 7 12 roof pitch means that the roof rises 7 inches for every. This price is for a coating over a pre existing roof system such as a rubber membrane or metal roof. For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below. Gaf roof mate base coat 5 gal.

Flat roof coatings will cost between 0 15 to 2 00 per square foot for materialsand an additional 0 50 to 3 00 per square foot for laboras broken down in the cost per square foot section above. The cost of applying a polyurethane foam coating can be as little as 3 per square foot. What about non rectangular areas. It is often compared to slope but is not exactly the same.

In those instances you need to break the area down into smaller rectangles. Black jack elasto kool 1000 5 gallon elastomeric reflective roof coating 10 year limited warranty item 139941. Length x width square feet a good rule of thumb is that every 100 square feet of roof equals one gallon of coating. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.

Measure the length and width of the roof to determine the size in square feet by using the following formula. These coatings are applied anywhere from 2 to 3 5 gallons per 100 square feet depending on the substrate. For pricing and availability. 6 25 square foot 1 12 square foot 2 25 square foot 1 50 square foot 3.

Silicone has two major advantages over the other four types of coatings that should be considered when searching for the best roof coating. The cost of acrylic coating will be between 5 to 6 per square foot. Silicon is the agreed upon premier spray application but the material costs can drive installation prices up to 9 10 per square foot or more. 1 it can resist ponding water for extended periods of time and 2 it can adhere to most substrates without a primer.

Black jack eterna kote 4 75 gallon silicone reflective roof coating lifetime warranty item 484330. Square footage is based on multiplying the length of an area x width of that area. Light gray acrylic reflective elastomeric roof coating 15 year limited warranty model 890277419 view the roof coatings. Knowing the square footage of your roof helps determine how many pails of elastek coating you will need.