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All ceiling, wall, floor, and slab insulation shall achieve RESNET-defined Grade I installation
Batt insulation should be cut to fit around wiring so that insulation can completely fill the wall cavity
Blown cellulose insulation completely fills the netted wall and ceiling cavities
Blown fiberglass insulation fills netted wall cavities
Ceiling, wall, floor, and slab insulation levels shall meet or exceed Builders Challenge levels
Expanded polystyrene insulation is installed with joints taped and lath attached in preparation for the application of stucco. Windows are flashed to the drainage plane (not seen), which is behind the insulation.
Faced fiberglass batt insulation can be stapled to the stud faces or slightly inset, but avoid compressing the batts
Faced fiberglass batt insulation incorrectly installed
Identify what materials will constitute the continuous air barrier around the building envelope.
RESNET Grade I installation of spray foam insulation
Right - Batt was properly split around wires to achieve RESNET Grade I
Right – RESNET grade I installation of batt insulation
Right – RESNET Grade I installation of blown insulation
Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall
Rigid foam forms an insulating bond break between the foundation wall and the slab
Rigid foam slab edge insulation is installed along the exterior edge of a monolithic slab foundation
Spray foam insulation is installed in open wall cavities to air seal and insulate
Unfaced fiberglass batt insulation is installed to completely fill the wall cavities and is sliced to fit around wiring, piping, and other obstructions in the wall cavities
Wrong – Compression and misalignment because insulation is not split around plumbing
Wrong – Compression and misalignment because insulation is not split around wires
Wrong – Insulation has misalignment, compression, and gaps
Wrong – Spray foam installed with voids