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Spray Polyurethane Foam (SPF) Insulation Complaint Investigations
Like it or not, spray polyurethane foam (SPF) insulation and the “Green” movement are here to stay.  Unfortunately, there are homes where the application has led to reports of nuisance odors and occupant sensitivity.  These occupant related complaints have led to a rise in SPF insulation investigations by many who have little understanding of SPF insulation and how sealing yourself in with SPF can negatively impact the indoor environment even when correctly applied.
When it comes to the investigation of nuisance odors associated with the application of spray polyurethane foam SPF insulation, I’ve found that most of the investigations typically involve little more than varied attempts at trying to chemically associate the odor with the off-gassing of the SPF.
I’ve been assessing spray polyurethane foam insulation SPF for many years on too many properties in too many states to list. I’ve assessed a dozen or so product lines both closed and open cell for manufactures, builders, homeowners, and applicators. The properties ranged from universities, community centers, offices, homes, both new construction and retrofit applications.
In my experience, SPF investigations can be categorized in three distinct categories. The first two seem to be the primary areas of SPF investigations. The first category is simply miss-applied ... more

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