Letters

Support for self-adhered membranes

This is a follow-up to "A contractor's insight," January issue, page 28, and "Will self-adhered roof systems stick?" March issue, page 31. Both articles provided thorough analysis of the evolution and challenges faced by self-adhered roof membranes.

Self-adhered membranes were developed as a solution to [potentially problematic] issues with conventional application methods and the consequent problems of higher insurance premiums, code regulations, fire hazards, environmental pollution, etc. Self-adhered membranes do not have any of these application-related issues or environmental drawbacks. However, they have some unique issues that deserve special attention.

Compared with products installed via conventional application methods, self-adhered membrane installation is cleaner and generates minimal waste. For example, a typical 25-square (225-m²) job may generate less than 20 pounds (9 kg) of release liner to be disposed of or recycled. Contrast that with fumes, fire hazards, emissions, and empty buckets or cans that are associated with conventional application methods. Removing release liner from a membrane's backside requires no more attention than torching a roll or mopping a membrane. There are inherent risks associated with all application methods that must be addressed using recommended safety practices.

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