Showing results 1 - 7 of 7
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Closed-cell spray foam insulates the floor above a vented crawlspace; a protection board made of fiber cement is screwed in place under the floor joists to keep out pests
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Provide a continuous air barrier from the rigid foam below the crawlspace floor joists to the rim joist to the exterior wall above
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Right – Air vents near the top of the crawlspace wall are not used as flood vents, and flood vents are installed close to grade
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Right – Interior grade is elevated and flood vents are located slightly above interior grade
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Wrong – This standard air vent has become blocked by flood debris and is located at the top of the foundation wall; it should not be used as a flood vent