Showing results 1 - 100 of 134
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A 1- and ½-story home with a room located in the attic and the thermal boundary located at either a) the walls and ceiling of the attic room with small vented attic spaces or b) the roof line for an unvented attic
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A low-sloped shed roof with the thermal boundary located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic
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A structural spline made of a solid 2x is used where needed to meet structural load requirements at SIP panel seams
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A surface spline reduces thermal bridging much more than a structural spline at SIP panel seams
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Advanced framing details include corners that are constructed with fewer studs or studs aligned so that insulation can be installed in the corner.
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Advanced framing details include framing aligned to allow for insulation at interior-exterior wall intersections.
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Advanced framing details include using the minimum amount of wall studs permitted by code.
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An all-terrain forklift is used to move and stage the panels
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An insulated spline is another option for avoiding thermal bridging at SIP panel seams
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Construct exterior walls with insulated concrete forms (ICFs) that provide insulation without thermal bridging, as well as air sealing, a drainage plane, and high structural strength.
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Construct exterior walls with structural insulated panels (SIPs) to provide an airtight wall with consistent insulation and very little thermal bridging.
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Design the roof with raised heel trusses to allow full insulation over the top plates of the exterior walls.
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Floor cavity pressure is measured by inserting a tube into the floor cavity using an extension pole
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For slabs on grade in CZ 4 and higher, 100% of slab edge insulated to ≥ R-5 at the depth specified by the 2009 IECC and aligned with thermal boundary of the walls
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ICFs provide continuous wall insulation from the roof to the footing with very little thermal bridging
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In cathedral ceilings, parallel chord trusses allow thicker insulation levels over the exterior wall top plates.
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In cold climates, install slab edge insulation when pouring slab on grade foundations.
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Infrared imaging shows cold conditioned air pouring out of the open floor cavities under this attic kneewall into the hot unconditioned attic
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Infrared thermography during depressurization testing reveals air leakage at corner of spray foam-insulated room where wood-to-wood seams in framing were not air sealed
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Install a housewrap drainage plane between the SIP panels and the exterior cladding
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Install continuous rigid foam insulation or insulated siding to help reduce thermal bridging through wood- or metal-framed exterior walls.
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Install insulation under platforms constructed in the attic for storage or equipment.
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Ladder blocking where exterior walls intersect interior walls provides more space for insulation and reduces thermal bridging.
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Lay out the rigid foam sheathing joints so they do not align with the window and door edges
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Lifting plates attached to the wall provide good bracing to tighten up SIP panel seams
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Limited attic access can make inspections for missing air barriers and insulation challenging
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Limited attic access may make it necessary to use a bore scope when inspecting for missing air barriers and insulation in existing buildings.
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Make sure the beads of caulk are continuous the full length at each SIP panel seam, such as at the wall-roof seam, to maintain air barrier continuity
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Peel-and-stick panel tape provides added assurance that SIP panel seams will remain airtight
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Proper flashing around windows is especially important when the rigid foam serves as the drainage plane in the wall
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Reduce thermal bridging in hot climate zones by using an intersecting exterior wall framing technique as shown here.
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Right - Continuous wall sheathing and blocking has been installed to brace the raised heel trusses.
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Right – All insulated sheathing boards are installed according to the manufacturer’s recommended fastening schedule and taping specifications
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Right – Appropriate use of framing members to support double windows and additional cripples for drywall purposes
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Right – Full length 2x6 nailer has been installed to allow space for insulation at wall intersection
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Right – ICFs are being installed to create a continuous air and thermal boundary
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Right – ICFs are being installed to create a continuous air and thermal boundary
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Right – ICFs are being installed to create a continuous air and thermal boundary
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Right – ICFs are being installed to create a continuous air and thermal boundary
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Right – Insulation installed to correct depth and will be aligned with air barrier
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Right – Rigid air barrier installed between double-wall assembly. Inside cavity will be insulated
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Right – Structural insulated sheathing can provide racking strength (lateral load resistance), and serve as an air barrier and thermal barrier if installed according to manufacturer’s specifications with taped, sealed seams
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Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.
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Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall
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Rigid foam insulated sheathing placed exterior to house wrap, interior to house wrap, or take the place of the house wrap
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Scaffolding is continually raised as courses of foam brick are added so that the pour man can see both sides of the wall during the pour.
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SIP panel walls are less susceptible to air leakage and convection issues than stick-built walls
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SIP panels should be stacked high, dry, and flat
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Special molded corners provide continuous insulation layer at the corners to improve structural strength and minimize thermal bridging
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Standard roof trusses are narrow at the eaves, preventing full insulation coverage over the top plate of the exterior walls
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The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation
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The back dam of the window sill will force water out
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The floor cavities under this attic kneewall are completely open to the unconditioned attic space and a prime target for wind washing
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The ICF consists of foam forms that are held in place with plastic or metal spacers and reinforced with metal rebar
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The thermal boundary for a gable roof can be located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic
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Thermal bridging is eliminated at the rim joist with the use of joist ledgers that are anchored in the wall
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This foundation/floor/SIP wall detail shows recommended support of SIP wall panel at the sill plate
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This technique for installing electrical wiring avoids the need to cut into the SIP panel
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This wall and window assembly has excessive framing around the windows, which can lead to heat gain in how climate zones.
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Three common ICF wall systems: the flat wall, the waffle wall, and the post-and-beam wall
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Two layers of high-permeability house wrap are installed to provide a drainage layer between the SIPS and the homes external cladding
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Two layers of XPS are installed with staggered seams over a liquid-applied membrane on the structural sheathing