BU385 Asphalt shingle roofing (1999)

Asphalt shingle roofs provide a relatively low maintenance, corrosion-resistant roofing system. There are a number of specification and installation steps to follow to achieve maximum serviceability from these roofs.

This bulletin outlines the elements for achieving a successful asphalt shingle roof and covers:

• composition
• design and selection criteria - including roof pitch, roof weight, wind exposure, size and coverage, durability and serviceability, colour, climate, exposure and weatherproofing and roof space/cavity ventilation
• installation method - including storage, substructure, drip edges, underlay, laying procedure, fixings ridges and hips, valleys and flashings
• maintenance.