| 4.1403.1a
Pre-inspection | An exterior and interior inspection will be conducted for water damage, drainage plane failures, grading issues, and breaches unrelated to the specified air sealing and insulating work Repairs necessary to stabilize work areas and protect or preserve integrity of energy improvement will be completed before subject work begins Site will be evaluated to determine potential for excavation Identify all underground utilities entering the building in the work area | Repair moisture and structure-related issues Provide a stable slab and related assemblies to ensure the durability of the work Ensure that any underground utility services are located and protected from damage |
| 4.1403.1b
Air sealing | Air sealing between conditioned space and unconditioned space will be completed before insulating | Ensure airtight floor assembly |
| 4.1403.1c
Excavation | Excavation will be done to expose the slab edge to the required depth Caution will be exercised to avoid undermining slab footing and to avoid damage of underground utilities Excavations will be weather protected (moisture and frost) and will be restored to original condition (density, drainage function) as quickly as possible | Provide below-grade installation access Protect slab and utilities from damage |
| 4.1403.1d
Clean and prepare surfaces | Slab edge will be prepared for material installation to meet manufacturer specifications | Ensure a durable installation |
| 4.1403.1e
Top and bottom flashing | Flashing will be continuous and permanently secured | Preserve the drainage plane of the wall |
| 4.1403.1f
Installation | Insulation will be installed to prescribed R-value Insulation will be installed in contact with the slab edge, without voids, compressions, or misalignments Insulation will be run tight to any utilities penetrating the slab edge insulation | Provide effective R-value |
| 4.1403.1g
Protective cover | Exposed insulation will be covered with a durable,
rigid material
Rigid material
Drywall, oriented strand board, duct board, cardboard, or any other stiff product that may support the load of insulation while serving as a durable air barrier
| Protect insulation from weather and impact |
| 4.1403.1h
Termites | Existing termite treatment and inspection gaps will be preserved, and termite control measures consistent with local code requirements will be implemented, as required | Prevent pest entry and maintain applicable warranties |
| 4.1403.1i
Back fill | Restore excavated earth and grade to preserve drainage plane | Preserve the drainage plane of the slab edge |
| 4.1403.1j
Property manager education | A dated receipt signed by the installer will be provided that includes: Coverage areaThicknessR-value | Document job completion to contract specifications Comply with 16 CFR 460.17 Confirm amount of insulation installed |
