Roof Shingle Exposure

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.

Roof 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. A shingle s exposure is the portion of the shingle left uncovered by the one above it. Shingle exposures for wood roofs. A five bundles will cover 100 sq.

Of roof area when used as starter finish course at 10 exposure. C maximum recommended weather exposure for two ply roof construction. Shingles with the right exposure will create the intended look and assuming all else is installed properly will provide optimal protection to the roof. The maximum weather exposure for wood shakes or wood shingles depends on the shingle size and the slope or pitch of the roof.

This article provides a definition of roof shingle exposure and gives the range of acceptable shingle exposure amounts. Roof shingle exposure distances. B maximum recommended weather exposure for 3 ply roof construction. D all coverage based on an average 1 2 spacing between shakes.

D all coverage based on an average spacing between shakes. 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. 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.

E maximum recommended weather exposure. Coverage is based on 12 12 pack 5 bundle square at 7 1 2 exposure. An improperly aligned shingle course would be very noticeable and have a wavy appearance that is unattractive and amateurish. B maximum recommended weather exposure for 3 ply roof construction.