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Shingles mansard roof.
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Typically the mansard roof has several sides usually 4 and each side has its own slopes.
The steep slopes of mansard roofs reduce the effectiveness of factory applied adhesives and fasteners especially in colder or shaded areas and therefore roofers must take additional steps to ensure proper installation.
Recommendations for application of asphalt shingles on steep slopes and mansard construction asphalt shingles on slopes greater than 21 12 defines the maximum slope for normal shingle application and suggests different installation methods for slopes beyond that maximum.
Laying shingles on a mansard roof can be a little difficult because of its shape and structure.