Roof Shingles Exposure

In the past most 3 tab shingles were imperial sized at 12 inches wide and 36 inches long with.

Roof shingles exposure.

The above coverage table table 1 tells you that a 4 bundle square at 4 exposure covers 80 square feet. This increase in size provided greater coverage and exposure. You have decided to put 16 certigrade shingles no. The correct roof shingle exposure for 3 tab and laminate shingles 3 tab shingle exposure.

America s 1 shingle just got better. Dark streaks or roof discoloration caused by algae happens in varying degrees across the u s especially in areas exposed to warm humid conditions. Laminated or architectural shingles have a wider variety of exposures. It is most widespread in the eastern united states and is commonly found on roofs with northern exposure.

3200 divided by 80 40 squares of material. The minimum recommended slope for standard installation of shingles is 3 12 and 4 12 for shakes. On lower slopes shingles or shakes may be installed over a fully waterproof built up roof bur or. You are estimating a roof that measures 3200 square feet 32 squares.

Roof shingle exposure is defined as the amount of a shingle whose upper surface is not overlapped by the next successive shingle course or in some roofing patterns the amount of the shingle that is not overlapped by a side adjacent shingle. And now a good thing just got even better. More families have found shelter and peace of mind under a timberline roof than any other brand. 3 tab shingle exposure architectural performance shingle exposure.

2 red label at 4 exposure. You can move the exposure of three tab shingles down to that because the seal tab is on the lower shingle. Installing shingles too high or too low compared to the previous course can affect the exposure which in turn would affect the aesthetics wind performance and seal strength of the roof. Also three tabs are better for lower slope applications then dimensional shingles are.

Your one stop guide to gaf roofing products explore the full spectrum of gaf colors and styles of shingles. It s estimated that the larger size allowed installers to lay a roof up to 10 percent faster than with the smaller standard sized shingle providing a considerable time and labor saving advantage. You also can lower the exposure of dimensional shingles as the seal strip is on the above shingle. 1 blue label or no.