How Much Area Will A Gallon Of Roof Coating Cover

Any derivative of 1600 based on the thickness of the coating will tell you how many square feet the product yields.

How much area will a gallon of roof coating cover.

In those instances you need to break the area down into smaller rectangles. Add the 2 areas 100 200 300 sq ft to get a total. Square footage is based on multiplying the length of an area x width of that area. Highly porous concrete roofs may require more coating for proper coverage.

100 square feet per gallon per coat. In those instances you need to break the area down into smaller rectangles. 2000 500 4 5 gallon pails. For all three products allow one gallon of roof coating for every 80 square feet of corrugated metal roof or 100 square feet of smooth metal roofing.

What about non rectangular areas. One 5 gallon pail covers 250 square feet of roof with 2 coats. For example to cover 2000 sq. For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below.

For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below. For two coats double that figure. Ft divide by 500 sq ft to equal 1 coat application. Do not apply in temperatures below freezing above 120 f 49 c or if rain is expected within 2 hours.

What about non rectangular areas. 1 gallon at 20 mils thick will cover 80 sq. See our how to measure your roof guide. Square footage is based on multiplying the length of an area x width of that area.

1 gallon at 10 mils thick will cover 160 sq. 1 gallon at 1 mil thick will cover 1600 sq. One gallon will cover 50 square feet of foam or modified bitumen roofing concrete or bonded tar and gravel roofing.