How Much Area Will A Gallon Of Roof Coating Cover

One 5 gallon pail covers 250 square feet of roof with 2 coats.

How much area will a gallon of roof coating cover.

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

2000 500 4 5 gallon pails. 1 gallon at 1 mil thick will cover 1600 sq. Add the 2 areas 100 200 300 sq ft to get a total. For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below.

For example to cover 2000 sq. See our how to measure your roof guide. 1 gallon at 10 mils thick will cover 160 sq. In those instances you need to break the area down into smaller rectangles.

For two coats double that figure. 22 dry mils applying temperature. Square footage is based on multiplying the length of an area x width of that area. One gallon will cover 50 square feet of foam or modified bitumen roofing concrete or bonded tar and gravel roofing.

1 gallon at 20 mils thick will cover 80 sq. Highly porous concrete roofs may require more coating for proper coverage. Square footage is based on multiplying the length of an area x width of that area. What about non rectangular areas.

What about non rectangular areas. 1 gallon at 5 mils thick will cover 320 sq. Add the 2 areas 100 200 300 sq ft to get a total.