How Much Area Will A Gallon Of Roof Coating Cover

1 gallon at 1 mil thick will cover 1600 sq.

How much area will a gallon of roof coating cover.

1 gallon at 5 mils thick will cover 320 sq. For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below. In those instances you need to break the area down into smaller rectangles. For two coats double that figure.

100 square feet per gallon per coat. 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. What about non rectangular areas.

Ft divide by 500 sq ft to equal 1 coat application. For example to cover 2000 sq. 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. 2000 500 4 5 gallon pails.

For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below. Add the 2 areas 100 200 300 sq ft to get a total. One gallon will cover 50 square feet of foam or modified bitumen roofing concrete or bonded tar and gravel roofing. One 5 gallon pail covers 250 square feet of roof with 2 coats.

What about non rectangular areas. 22 dry mils applying temperature. Do not apply in temperatures below freezing above 120 f 49 c or if rain is expected within 2 hours. 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. Any derivative of 1600 based on the thickness of the coating will tell you how many square feet the product yields. See our how to measure your roof guide.