Roof Shingles Exposure

3 tab shingle exposure architectural performance shingle exposure.

Roof shingles exposure.

Your one stop guide to gaf roofing products explore the full spectrum of gaf colors and styles of shingles. The correct roof shingle exposure for 3 tab and laminate shingles 3 tab shingle exposure. 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. More families have found shelter and peace of mind under a timberline roof than any other brand.

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. It is most widespread in the eastern united states and is commonly found on roofs with northern exposure. You have decided to put 16 certigrade shingles no. Dark streaks or roof discoloration caused by algae happens in varying degrees across the u s especially in areas exposed to warm humid conditions.

You also can lower the exposure of dimensional shingles as the seal strip is on the above shingle. You are estimating a roof that measures 3200 square feet 32 squares. This increase in size provided greater coverage and exposure. Also three tabs are better for lower slope applications then dimensional shingles are.

In the past most 3 tab shingles were imperial sized at 12 inches wide and 36 inches long with. Slope and exposure tables for wood shake shingle roofs minimum slopes. The minimum recommended slope for standard installation of shingles is 3 12 and 4 12 for shakes. It depends on the type of material and what the pitch is.

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. 3200 divided by 80 40 squares of material. You can move the exposure of three tab shingles down to that because the seal tab is on the lower shingle. Laminated or architectural shingles have a wider variety of exposures.

An improperly aligned shingle course would be very noticeable and have a wavy appearance that is unattractive and amateurish. 1 blue label or no. 2 red label at 4 exposure. On lower slopes shingles or shakes may be installed over a fully waterproof built up roof bur or.