Roof Coating Material Square Footage

How do i calculate square footage.

Roof coating material square footage.

Measure the length and width of the roof to determine the size in square feet by using the following formula. Square footage is based on multiplying the length of an area x width of that area. 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. 6 25 square foot 1 12 square foot 2 25 square foot 1 50 square foot 3.

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. In those instances you need to break the area down into smaller rectangles. Gaf roof mate base coat 5 gal.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every. If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width. It is often compared to slope but is not exactly the same. This price is for a coating over a pre existing roof system such as a rubber membrane or metal roof.

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. For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below. 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.

For pricing and availability. Black jack eterna kote 4 75 gallon silicone reflective roof coating lifetime warranty item 484330. Black jack elasto kool 1000 5 gallon elastomeric reflective roof coating 10 year limited warranty item 139941. Silicone has two major advantages over the other four types of coatings that should be considered when searching for the best roof coating.

Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. 1 it can resist ponding water for extended periods of time and 2 it can adhere to most substrates without a primer. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. The cost of applying a polyurethane foam coating can be as little as 3 per square foot.