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
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