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Abstract
National Research Council of Canada (NRCC) in collaboration with the Canadian Roofing Contractors Association (CRCA), National Roofing Contractors Association (NRCA), Roofing Industry Alliance for Progress and Single-Ply Roofing Institute (SPRI) addressed the issue of air movement in roof assemblies through an R&D project designated Air Movement Impacts on Roof Systems (AIR). The AIR steering committee developed goals for a two-phase testing program; Phase I: Quantify air permeances of single-ply and polymer-modified bitumen membrane materials; and Phase 2: Quantify air leakage rates of seam-fastened mechanically attached single-ply and polymer-modified bitumen roof membrane assemblies. In Phase 1. four roof membrane materials were tested using ASTM E2 l 78 test protocol to measure the air permeability rates.
National Research Council of Canada (NRCC) in collaboration with the Canadian Roofing Contractors Association (CRCA), National Roofing Contractors Association (NRCA), Roofing Industry Alliance for Progress and Single-Ply Roofing Institute (SPRI) addressed the issue of air movement in roof assemblies through an R&D project designated Air Movement Impacts on Roof Systems (AIR). The AIR steering committee developed goals for a two-phase testing program; Phase I: Quantify air permeances of single-ply and polymer-modified bitumen membrane materials; and Phase 2: Quantify air leakage rates of seam-fastened mechanically attached single-ply and polymer-modified bitumen roof membrane assemblies. In Phase 1. four roof membrane materials were tested using ASTM E2 l 78 test protocol to measure the air permeability rates.
Date
12/2015
12/2015
Author(s)
ASTM
ASTM
Page(s)
1-36
1-36
Keyword(s)
TPO; air; leakage; single-ply
TPO; air; leakage; single-ply