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.

Do not apply in temperatures below freezing above 120 f 49 c or if rain is expected within 2 hours. For instance an l shaped surface can be broken into 2 smaller rectangles see illustration below. Highly porous concrete roofs may require more coating for proper coverage. 1 gallon at 1 mil thick will cover 1600 sq.

For example to cover 2000 sq. 22 dry mils applying temperature. 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. 1 gallon at 10 mils thick will cover 160 sq.

100 square feet per gallon per coat. Square footage is based on multiplying the length of an area x width of that area. One 5 gallon pail covers 250 square feet of roof with 2 coats. Ft divide by 500 sq ft to equal 1 coat application.

What about non rectangular areas. 1 gallon at 20 mils thick will cover 80 sq. For two coats double that figure. In those instances you need to break the area down into smaller rectangles.

Square footage is based on multiplying the length of an area x width of that area. 1 gallon at 5 mils thick will cover 320 sq. One gallon will cover 50 square feet of foam or modified bitumen roofing concrete or bonded tar and gravel roofing. What about non rectangular areas.

Add the 2 areas 100 200 300 sq ft to get a total. See our how to measure your roof guide. Add the 2 areas 100 200 300 sq ft to get a total.