Installation should include
- keeping roof coverings flush to the surface
- maintaining fastener pattern to manufacturer specifications
- providing adequate shingle exposure
- following plans per manufacturer specifications.
IRC: Chapter 9 identifies roof coverings permitted by code, along with underlayment required for each material. Installation is per manufacturer’s specification and must comply with the minimum requirements of the code.
Process/Skill Questions:
- How does the slope of a roof affect the installation of shingles and the use of materials?
- What effect does the weight of a shingle have?