Roof Shingle Exposure

A shingle s exposure is the portion of the shingle left uncovered by the one above it.

Roof shingle exposure.

Of roof area when used as starter finish course at 10 exposure. An improperly aligned shingle course would be very noticeable and have a wavy appearance that is unattractive and amateurish. Shingle exposures for wood roofs. Coverage is based on 12 12 pack 5 bundle square at 7 1 2 exposure.

B maximum recommended weather exposure for 3 ply roof construction. C maximum recommended weather exposure for 2 ply roof construction. The maximum weather exposure for wood shakes or wood shingles depends on the shingle size and the slope or pitch of the roof. D all coverage based on an average 1 2 spacing between shakes.

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. Proper shingle exposure is achieved by carefully layering the shingles as you work up the roof plane. Shingles with the right exposure will create the intended look and assuming all else is installed properly will provide optimal protection to the roof. Too little shingle exposure may at least cause a cosmetic issue while too much shingle exposure risks leaks or shingle blow off and wind damage.

This increase in size provided greater coverage and exposure. E maximum recommended weather exposure. 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. C maximum recommended weather exposure for two ply roof construction.

Allowable shingle exposure may also vary by the shingle grade something that you might infer by visual inspection of the shingles matching against wood shingle grade definitions or. B maximum recommended weather exposure for 3 ply roof construction. This article provides a definition of roof shingle exposure and gives the range of acceptable shingle exposure amounts. Browse owens corning roofing shingles by color shingle lines price features wind resistance and or warranty to find the right roof for your home.