The General Information Applicable to All Construction Details
introduction states the details are generic concepts and designers
likely will need to modify NRCA details to meet specific project
requirements. It also states the details primarily are for new
construction but can apply to reroofing projects, as well.
The Built-up Membrane (BUR) and Polymer-modified Bitumen (MB)
Construction Details introduction and EPDM (EPDM) and Other
Single-ply Membrane (SP) Construction Details introduction provide
specific additional commentary about the components used in
construction details and figures to help describe
nondetail-specific issues, such as clearance between pipes, walls
and curbs. When necessary, each introduction is tailored to
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