Silicone has two major advantages over the other four types of coatings that should be considered when searching for the best roof coating.
Roof coating material square footage.
In those instances you need to break the area down into smaller rectangles.
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.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every.
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.
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.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
For pricing and availability.
Light gray acrylic reflective elastomeric roof coating 15 year limited warranty model 890277419 view the roof coatings.
Square footage is based on multiplying the length of an area x width of that area.
Black jack eterna kote 4 75 gallon silicone reflective roof coating lifetime warranty item 484330.
How do i calculate square footage.
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.
For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below.
6 25 square foot 1 12 square foot 2 25 square foot 1 50 square foot 3.
Knowing the square footage of your roof helps determine how many pails of elastek coating you will need.
Length x width square feet a good rule of thumb is that every 100 square feet of roof equals one gallon of coating.
1 it can resist ponding water for extended periods of time and 2 it can adhere to most substrates without a primer.
Gaf roof mate base coat 5 gal.
The cost of acrylic coating will be between 5 to 6 per square foot.
This price is for a coating over a pre existing roof system such as a rubber membrane or metal roof.
It is often compared to slope but is not exactly the same.
What about non rectangular areas.
Measure the length and width of the roof to determine the size in square feet by using the following formula.