Image 2021 IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Monolithic Slab Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 3C: SIP Roof, SIP Wall, Stem Wall, Slab on Grade Publication Date Fri, 01/12/2024 - 12:00
Image Provide flashing and sealing integrated with the air and water control layers for vents and other roof penetrations
Image The advance-framed 2x6 24-inch on-center walls are covered with netting then filled with R-23 blown fiberglass.
Image Wrong – Design walls so that windows are positioned to fit regularly spaced studs so less additional studs are needed.
Image Wiring runs are covered with canned spray foam to maintain the continuous foam layer that covers the inside and outside of these ICF block walls.
Image The foam-filled concrete block walls are lined on the interior side with foil-faced rigid foam then topped with furring strips for attaching drywall.
Image Right – R-20 of XPS and polyiso rigid foam were added on the slab shelf that is part of this precast foundation wall system. Publication Date Mon, 09/30/2019 - 12:00
Image Masonry wall interior retrofit with fluid-applied water control layer, spray foam, and wood or metal stud service cavity Publication Date Fri, 08/13/2021 - 12:00
Image Right – Even house wrap is installed in the factory for these modular homes where each floor is factory assembled. Publication Date Thu, 09/30/2021 - 12:00
Image Right – Workers pour the concrete for the basement floor slab over a vapor barrier installed over rigid foam. Publication Date Thu, 09/30/2021 - 12:00
Image Wrong - Dark pattern on wall is showing where warm air is leaking into the wall cavity from interior of home. Publication Date Tue, 01/01/2019 - 12:00
Image IECC Climate Zone 1A: Unvented Attic, 2x6 Wall, Monolithic Slab Publication Date Fri, 09/29/2023 - 12:00
Image IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Monolithic Slab Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Pier Foundation Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 2B: Vented Attic, Block Wall, Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 2B: Unvented Attic, CMU Wall, Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image 2021 IECC Climate Zone 3A: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade Publication Date Thu, 01/11/2024 - 12:00
Image 2021 IECC Climate Zone 4C: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade Publication Date Mon, 01/15/2024 - 12:00
Image 2021 IECC Climate Zone 4C: Vented Attic, ICF Wall, ICF Basement Foundation Publication Date Mon, 01/15/2024 - 12:00
Image 2021 IECC Climate Zone 4C: Unvented Roof, 2x6 Wall, Vented Crawl Space Publication Date Mon, 01/15/2024 - 12:00
Image 2021 IECC Climate Zone 5A: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 5A: Vented Attic, ICF Wall, ICF Basement Foundation Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 5B: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 5A: Unvented Roof, 2x6 Wall, Vented Crawl Space Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 5B: Vented Attic, ICF Wall, ICF Basement Foundation Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 5B: Unvented Roof, 2x6 Wall, Vented Crawl Space Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 5C: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 5C: Vented Attic, ICF Wall, ICF Basement Foundation Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 5C: Unvented Roof, 2x6 Wall, Vented Crawl Space Publication Date Tue, 01/16/2024 - 12:00
Image 2021 IECC Climate Zone 6A: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zone 6A: Vented Attic, ICF Wall, ICF Basement Foundation Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zone 6A: Unvented Roof, 2x6 Wall, Vented Crawl Space Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zone 6B: Unvented Roof, 2x6 Wall, Vented Crawl Space Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zone 6B: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zone 6B: Vented Attic, ICF Wall, ICF Basement Foundation Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zones 7 and 8: Unvented Roof, 2x6 Wall, Vented Crawl Space Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zones 7 and 8: Vented Attic, ICF Wall, ICF Basement Foundation Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zones 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade Publication Date Wed, 01/17/2024 - 12:00
Image 2021 IECC Climate Zone 4B: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade Publication Date Thu, 10/19/2023 - 12:00
Image Right - The basement walls are wrapped with 3 inches of XPS rigid foam that will be taped at the seams then covered with a dimpled plastic water barrier.
Image Right - Closed-cell spray foam covers the interior of the foundation wall and wall framing is placed to the inside of the spray foam.
Image Wrong: Ducts are not laid across the lower truss cords or ceiling, but are hung from the rafters by straps. As a result, ductwork is not buried
Image Wrong: Ducts are held from the rafters with strapping and a large beam prevents ducts from properly lying on the ceiling plane
Image Right - Foil-faced polyisocyanurate rigid foam is attached to the existing exterior wall with vertical wood furring strips
Image Spray foam and rigid foam were used under the slab while rigid foam wraps the exterior of the foundation walls.
Image Rigid foam serves as the sheathing on these 2x6 24-inch on center walls; plywood is used only at the corners for wind bracing.
Image Southern Energy Homes worked with DOE researchers to develop an efficient way to dense-pack blown fiberglass into the low attics of manufactured homes.
Image Seams in the ICF block are sealed so the EPS foam surface can serve as the drainage plane; no house wrap is needed.
Image Right – Ripped OSB provides furring strips for a ventilation gap behind the wood siding. Publication Date Mon, 09/30/2019 - 12:00
Image Step 8. Attach the new cladding to the furring strips over the rigid foam for the exterior wall retrofit.
Image IECC Climate Zone 3A: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 2B: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 3A: Vented Attic, 2x6 Wall, Monolithic Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 3B: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 3B: Vented Attic, 2x6 Wall, Monolithic Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image 2021 IECC Climate Zone 4A: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 2A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade Publication Date Mon, 01/29/2024 - 12:00
Image 2021 IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade Publication Date Mon, 01/29/2024 - 12:00
Image IECC Climate Zone 1A: Unvented Attic with Spray foam at Roof Deck, 2x6 Wall-CMU Wall, Elevated Slab Publication Date Thu, 01/11/2024 - 12:00
Image 2021 IECC Climate Zone 2B: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 3A: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space Publication Date Mon, 01/29/2024 - 12:00
Image 2021 IECC Climate Zone 4B: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space Publication Date Thu, 10/19/2023 - 12:00
Image Two pieces of flex duct are spliced together with a metal sleeve, nylon draw bands, mastic, metal tape, and more mastic
Image After attaching netting to the 2x6 studs, workers fill the wall cavities with R-23 of blown fiberglass made from recycled bottles. Publication Date Tue, 12/01/2015 - 12:00
Image Right – Housewrap was properly shingled and taped on this wall assembly which places the housewrap beneath the rigid foam sheathing; wall cavities will be filled with spray foam. Publication Date Mon, 09/30/2019 - 12:00
Image Right – Furring strips provide a drainage gap between the rigid foam and the siding. Publication Date Mon, 09/30/2019 - 12:00
Image Masonry wall interior retrofit with parge coat, fluid-applied water control layer, spray foam, and wood or metal stud service cavity Publication Date Fri, 08/13/2021 - 12:00
Image Right – Joists between floors are air sealed to the ceiling drywall with canned spray foam along each joist-to-drywall-seam. Publication Date Thu, 09/30/2021 - 12:00
Image Wrong: This exhaust fan duct is too long and terminates in the attic instead of going through the roof and it is improperly supported; it needs straps all along its length to prevent sagging.
Image Wrong - Cold spots along the top plate combined with lack of ventilation have encouraged mold growth along this bathroom ceiling. Publication Date Sun, 01/27/2019 - 12:00
Image IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade Publication Date Fri, 09/29/2023 - 12:00
Image IECC Climate Zone 2A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 3A: Vented Cathedral Celling, 2x6 Wall, Vented Crawl Space Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 3A: SIP Roof, SIP Wall, Stem Wall, Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 3B: SIP Roof, SIP Wall, Stem Wall, Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image IECC Climate Zone 4A: SIP Roof, SIP Wall, Stem Wall, Slab on Grade Publication Date Wed, 10/18/2023 - 12:00
Image 2021 IECC Climate Zone 4A: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade (with notes) Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 4B: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade (with notes) Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 4C: Vented Cathedral Ceiling, 2x6 Wall, Slab on grade (with notes) Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 4C: Vented Attic, ICF Wall, ICF Basement Foundation (with notes) Publication Date Thu, 10/19/2023 - 12:00
Image Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools
Image Right – This foil-faced foam sheathing has taped seams and proper flashing details so it can serve as a drainage plane.
Image Right - The rigid metal HVAC ducting is installed between the floor joists rather than in an unconditioned attic or crawl space to minimize heat loss.
Image Wrong – Roof underlayment is not fully adhered and roof deck seams are not sealed so roof is susceptible to high-wind events
Image Right – Roof underlayment is fully adhered and roof deck seams are sealed so roof is resistant to high-wind events
Image Right – Roof underlayment is fully adhered and roof deck seams are sealed so roof is resistant to high-wind events
Image 2021 IECC Climate Zone 2A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes) Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 2B: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes) Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes) Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 3A: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space (with notes) Publication Date Thu, 10/19/2023 - 12:00
Image 2021 IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall-CMU Wall, Elevated Slab Publication Date Thu, 01/11/2024 - 12:00
Image An IR camera image shows gaps around HVAC flue pipes allow conditioned air to leak through blown fiberglass into the attic Publication Date Tue, 12/17/2013 - 12:00
Image Closed-cell spray foam fills the roof joist cavities forming an air barrier between the masonry parapet wall and the roof sheathing
Image Right – R-25 of open-cell spray foam lines this new home’s attic ceiling, to protect HVAC ducts from heat and cold.
Image This builder applied an air-sealing layer of spray foam along the underside of the roof deck and the inside of the walls before filling the wall cavities with blown cellulose.
