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. Black jack elasto kool 1000 5 gallon elastomeric reflective roof coating 10 year limited warranty item 139941. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
Square footage is based on multiplying the length of an area x width of that area. Length x width square feet a good rule of thumb is that every 100 square feet of roof equals one gallon of coating. Knowing the square footage of your roof helps determine how many pails of elastek coating you will need. The cost of acrylic coating will be between 5 to 6 per square foot.
Light gray acrylic reflective elastomeric roof coating 15 year limited warranty model 890277419 view the roof coatings. 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. What about non rectangular areas. Black jack eterna kote 4 75 gallon silicone reflective roof coating lifetime warranty item 484330.
6 25 square foot 1 12 square foot 2 25 square foot 1 50 square foot 3. These coatings are applied anywhere from 2 to 3 5 gallons per 100 square feet depending on the substrate. For pricing and availability. For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below.
Measure the length and width of the roof to determine the size in square feet by using the following formula. 1 it can resist ponding water for extended periods of time and 2 it can adhere to most substrates without a primer. In those instances you need to break the area down into smaller rectangles. 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. 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. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. It is often compared to slope but is not exactly the same.