Topic 3.14 Basements and Crawl Spaces

3.1401 Basements Connected to Crawl Spaces

3.1401.1 Basements Connected to Crawl Spaces—Sealing and Insulating

3.1402 Crawl Spaces

3.1402.1 Crawl Spaces—Sealing Floor Penetrations
3.1402.2 Closed Crawl Spaces—Air Sealing Foundation Vents
3.1402.3 Closed Crawl Spaces—Air Sealing Exterior Wall
3.1402.4 Closed Crawl Spaces—Air Sealing Brick Curtain Wall with Piers
3.1402.5 Closed Crawl Spaces—Attached Crawl Spaces Under Unconditioned Spaces

3.1403 Slab Foundations

3.1403.1 Air Seal Concrete Floor Slab Foundation: Raised, On Grade, and Below-Grade

3.1488 Special Considerations

3.1488.1 Skirting Post and Pier Foundations
3.1488.2 Skirting Manufactured Homes
3.1488.3 Covers for Sump Pumps, Drains, Pits, and Other Intentional Slab Penetrations