How to choose a covering for a mansard roof
The covering for a mansard roof must be selected separately for the lower and upper slopes and for their junction, as each zone has different fixing and flashing requirements. Before choosing a material, check the actual angles and lengths of both sections, as well as the presence of dormers, chimneys and windows, which complicate sheet layout. The slope break is crucial: water from the upper part must drain safely onto the lower without backing up under the covering. Base the assessment on an accurate plan and sections, not on the roof name alone.
