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Can spray foam insulation be left exposed?

Always
8%
In most cases
21%
In some cases
49%
Never
15%
Not sure
5%
Next Question
Question: Can spray foam insulation be left exposed?
Top Answer (49% of 57 votes): In some cases.

Answer: In some cases
Explanation: As long as it is closed cell insulation.
Reality Property Inspections
Answer: In some cases
Explanation: It has been known to be a problem, yet with rpoper time of and venilation it can be OK. Depends on circumstance. It is widely used.
North State Inspections
Answer: In some cases
Explanation: Yes in cases such as crawl space, unfinished basement or a garage.
Kairos Home Inspections
ProMatcher
Answer: In some cases
Explanation: In attic instalation not exposed to sunlight
Millyard Home Inspection
Answer: Always
Explanation: I see no reason why not.
Contractors Corp.
Answer: In most cases
Explanation: Spray in foam in most cases should be covered. The foam is not fire rated and can lead to any fire in the home spreading quickly.
Look First Homes, LLC
ProMatcher
Answer: In some cases
Explanation: Depends on the manufacturers directions.
Best Choice Inspections
Answer: In some cases
Explanation: Depends on the specific product used but most often it should not be left exposed.
Home Inspection Solutions
Answer: In some cases
Explanation: Spray foam insulation which is not protected from direct exposure to sunlight will deteriorate.
J. Michael Simon, LLC
ProMatcher
Answer: In some cases
Explanation: Most types of spray foam insulation are not designed to be exposed to sunlight or other elements, as the material may break down prematurely.
Nicholas Home Inspection & Maintenance, Inc.
Answer: In some cases
Explanation: As long as it is not exposed for a long period of time.
Your Home Property Consultants
Answer: In some cases
Explanation: For indoor applications, Per building code requirements, foam left exposed is required to be covered by a 15 minute thermal barrier in habitable spaces of a structure. For attics and crawl spaces being used for storage the above applies. For unoccupied space or that of which is being used for equipment servicing, the above does not apply. On an outdoor application, Closed cell foam can be left exposed to the elements, but will need to be painted or covered to prevent UV damage from the sun.
NH Roof Consulting & Inspection
ProMatcher
Answer: In most cases
Explanation: It can be left exposed in attic space, if used on interior walls then I would cover up with vapor barrier and drywall
JKM Home Inspections
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