Roof Shingles Exposure

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.

Roof shingles exposure.

Also three tabs are better for lower slope applications then dimensional shingles are. You are estimating a roof that measures 3200 square feet 32 squares. It is most widespread in the eastern united states and is commonly found on roofs with northern exposure. The minimum recommended slope for standard installation of shingles is 3 12 and 4 12 for shakes.

America s 1 shingle just got better. 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 can move the exposure of three tab shingles down to that because the seal tab is on the lower shingle. It depends on the type of material and what the pitch is.

This increase in size provided greater coverage and exposure. 3 tab shingle exposure architectural performance shingle exposure. On lower slopes shingles or shakes may be installed over a fully waterproof built up roof bur or. You also can lower the exposure of dimensional shingles as the seal strip is on the above shingle.

An improperly aligned shingle course would be very noticeable and have a wavy appearance that is unattractive and amateurish. 1 blue label or no. 3200 divided by 80 40 squares of material. 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. Dark streaks or roof discoloration caused by algae happens in varying degrees across the u s especially in areas exposed to warm humid conditions. Slope and exposure tables for wood shake shingle roofs minimum slopes. 2 red label at 4 exposure.

The above coverage table table 1 tells you that a 4 bundle square at 4 exposure covers 80 square feet. You have decided to put 16 certigrade shingles no. Laminated or architectural shingles have a wider variety of exposures. And now a good thing just got even better.