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How thick should spray foam insulation be sprayed?


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Answer: In TN, 3 inches in wall and 5 inches on the roof deck
Energy 1 Foam Insulation LLC
Answer: The thickness of the spray will be determined by the areas to be sprayed and the actual foam being used. In many cases 2" is sufficient, however many local building codes are skeptical about the use of spray foam insulation.
Reality Property Inspections
Answer: 14 to 16 inches thick in the rafters.
Heritage Inspectors
ProMatcher
Answer: 2 to 4 in.
Professional Home Inspections
Answer: Folloow instructions, every situation can be different. Best left ot porfessionals.
North State Inspections
Answer: Normally the insulation depth is about the same as wall thickness.
Kairos Home Inspections
ProMatcher
Answer: Depends on the R-value you should spray up to an R30 for walls
Able Home Inspections
Answer: depends on type and density
Huskey Home Inspection, LLC
Answer: not sure
Thomas Property Services llc
ProMatcher
Answer: As needed to Revalue need and depth of lumber.
Millyard Home Inspection
Answer: I would follow the directions from the manufacturer.
Contractors Corp.
Answer: As thick as the rafter valley
Ray Inspection Services Corp
ProMatcher
Answer: 2-4"
Anthony Quarato home inspections
Answer: Spray foam should be applied from top to bottom from about 12" away. with a side to side motion spray as you quickly move down between the studs.
Look First Homes, LLC
Answer: Depends on the manufacturers directions.
Best Choice Inspections
ProMatcher
Answer: 3 to 5 inches
At Ease Home Inspection
Answer: As thick as you want. R6 per one inch
The Inspection Boys
Answer: Follow manufactures instructions.
Home Inspection Solutions
ProMatcher
Answer: It should be applied to the proper thickness per R-value guidelines.
J. Michael Simon, LLC
Answer: It depends upon the type of foam insulation
Everest Home Inspectors
Answer: This question is too relative to answer accurately. It depends on the space being filled and the application. Also, even the foam type that is designed to expand less for door and window application, does expand some, so care should be taken.
Nicholas Home Inspection & Maintenance, Inc.
ProMatcher
Answer: Read manufacturer label
A Better Choice Home Inspection, Co
Answer: That would depend on the building departments or code enforcement whom regulates the construction specifications.
Your Home Property Consultants
Answer: Proper thickness per Code R-value requirements.
Epoch Property Inspections
ProMatcher
Answer: Usually sprayed between 2 to 3 inches thick resulting in an R-value between 14 and 21.
Eagles Eye Home Inspection,LLC
Answer: 4 to 6 Inches
One Way Home Inspections
Answer: depending on the desired R-Value
Thomas Property Services
ProMatcher
Answer: For code: 3" in walls and 7" in ceilings or cathedral ceilings (Maine Code)
Weather Seal Spray Foam Solutions
Answer: in two inch increments
A & H PROPERTIES
Answer: depends
OnSite Home Inspection, LLC
ProMatcher
Answer: 6 to 12 inches
Superior Home Inspection Services LLC
Answer: Spray foam is used mostly to insulate walls and seal cracks. The thickness during installation needs to follow the manufacturers recommendations.
Corley Home Inspections, LLC
Answer: 3-4 inches
G M M Property Inspections
ProMatcher
Answer: The R-Value is dependent upon coverage and thickness of material used.
Certipro Home Inspections
Answer: 4"
Adam & Eave Properties, Inc.
Answer: 3 inches in exterior walls and about 7 inches in attics
Smith Insulation
ProMatcher
Answer: it depends on where the spray foam is being used.
JKM Home Inspections
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