FavoritePlease sign in to add this to your favorites. Topic: Basements and Crawl Spaces Subtopic: Crawl Spaces Desired Outcome: Well-sealed exterior wall prevents leakage and pests Single-Family HomesPrintCopy to ExcelEmail TitleSpecification(s)Objective(s) 3.1402.4a Seal penetrations Penetrations will be sealed with a durable material, including the following:Sealing rain screen to crawl space connectionRe-venting exterior weep holes with wicking ropeA minimum expected service life of 10 years will be ensured Reduce moisture vapor and water from entering the crawl space through the rain screenDecrease probability of rot 3.1402.4b Pest exclusion If penetration is greater than ΒΌ", a pest-proof material will be used to fill the penetration before sealing Prevent pest entry Previous Detail Next Detail Back to 3.1402 Crawl Spaces Back to Top