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Existing Homes - Step 5: Ensure Thermal Comfort
The following categories provide information about adding insulation in attics, walls, floors, and foundation to 2009 IECC or greater levels. Consult Step 1, Step 2, Step 3 and Step 4 before completing items here.
Click on the links below for detailed information about each topic in this step:
- Skylight Shaft Walls
- Dropped Ceiling/Soffit Below Unconditioned Attic
- Walls Adjoining Porch Roof
- Air Sealing and Insulating Ceilings
- Attic Eave Minimum Insulation
- Above Deck Rigid Foam Insulation for Existing Roofs
- Unvented Attic Insulation
- Attic Radiant Barriers
- Below Deck Spray Foam Insulation for Existing Roofs
- Batt Insulation for Existing Vented Attics
- Spray Foam Insulation Applied to Existing Attic Floor
- Blown Insulation for Existing Vented Attic
- Vented versus Unvented Attic
- Spray Foam Insulation for Cavities of Existing Exterior Walls
- Rigid Foam Insulation for Existing Exterior Walls
- Rigid Foam Insulation Installed Between Existing House and Garage Walls
- Spray Foam Insulation Applied over the Siding of Existing Exterior Walls
- Blown Insulation for Cavities of Existing Exterior Walls
- Vinyl Siding with Integrated Rigid Foam for Existing Walls
- Batt Insulation for Existing Exterior Walls
- Rigid Foam Board Interior Insulation for Existing Foundation Walls
- Rigid Foam Board Insulation for Existing Band Joists
- Unvented, Insulated Crawlspaces
- Spray Foam Interior Insulation for Existing Foundation Walls
- Exterior Insulation for Existing Foundation Walls
- Rigid Foam Insulation Installed over Existing Foundation Slabs
- Insulation for Existing Crawl Space Floors
- Insulating and Air Sealing Existing Floors above Unconditioned Spaces
- Air Sealed, Insulated Basements
- Exterior Edge Insulation for Existing Foundation Slabs
- Ducts Buried in Attic Insulation and Encapsulated
- Encapsulated Ducts
- Ducts Buried in Attic Insulation
- Unvented Attic Insulation
- Unvented, Insulated Crawlspaces
- Ducts in Dropped Ceilings
- Ducts in Raised Ceiling Sections
- No Ducts or Air Handlers Located in Garage
- Air Sealed, Insulated Basements
- Ducts in Interstitial Floor Framing
- Existing HVAC System Upgrade or Expansion
- Sealing Duct Boots to Floor or Drywall