Roof Shingle Exposure

B maximum recommended weather exposure for 3 ply roof construction.

Roof shingle exposure.

An improperly aligned shingle course would be very noticeable and have a wavy appearance that is unattractive and amateurish. This increase in size provided greater coverage and exposure. A shingle s exposure is the portion of the shingle left uncovered by the one above it. Shingles with the right exposure will create the intended look and assuming all else is installed properly will provide optimal protection to the roof.

C maximum recommended weather exposure for two ply roof construction. C maximum recommended weather exposure for 2 ply roof construction. E maximum recommended weather exposure. Shingle exposures for wood roofs.

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. 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. Coverage is based on 12 12 pack 5 bundle square at 7 1 2 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.

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. D all coverage based on an average 1 2 spacing between shakes. Proper shingle exposure is achieved by carefully layering the shingles as you work up the roof plane.

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. D all coverage based on an average spacing between shakes. A five bundles will cover 100 sq. Roof shingle exposure distances.