In late 2008, SPRI issued an advisory bulletin addressing
construction-generated moisture and its effect on roof systems. If
you are involved with the design and installation of single-ply
membrane roof systems, particularly those used in new construction,
I encourage you to be aware of this bulletin and SPRI's
SPRI's bulletin indicates roof systems are designed to
accommodate typical occupancy-generated moisture; however,
construction-generated moisture rarely is recognized and seldom is
addressed by roof system designers.
Possible sources of construction-generated moisture cited
include the curing of concrete; use of propane- or oil-burning
heaters; and paint, drywall and other water-based...
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