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2017- AIR BARRIER AND INSULATION INSPECTION COMPONENT CRITERIA' TABLE 402.4.1.1 AIR BARRIER AND INSULATION INSPECTION COMPONENT CRITERIA Project Name: Cali 1828 Elev D Builder Name: DRH Express Homes Street: Permit Office: City,State,Zip: Zephyrhills,FL, Permit Number: W Owner: Jurisdiction: • x Design Location: :FL,Tampa c� COMPONENT AIR BARRIER CRITERIA INSULATION INSTALLATION CRITERIA General A continuous air barrier shall be installed in the building envelope. Air-permeable insulation shall The exterior thermal envelope contains a continuous air barrier. . not be used as a sealing material. requirements Breaks or joints in the air barrier shall be sealed. Ceiling/attic The air barrier in any dropped ceiling/soffit shall be aligned with The insulation in any dropped ceiling/soffit the insulation*and any gaps in the air barrier shall be sealed. shall be aligned with the air barrier. Access openings,drop down stairs or knee wall doors to unconditioned attic spaces shall be sealed. Walls The junction of the foundation and sill plate shall be sealed.. Cavities within corners and headers of frame walls The junction of the top plate and the top of exterior walls shall be, shall be insulated by completely filling the cavity sealed, with a material having a thermal resistance of R-3 'Knee walls shall be sealed. per inch minimum. Exterior thermal envelope insulation for framed walls shall be installed in substantial contact and continuous alignment with the air barrier. Windows,-skylights The space between window/door jambs and framing;and and doors. skylights and framing shall be sealed. . Rim joists Rim joists shall include the air barrier. Rim joists shall be insulated. Floors The air barrier shall_be installed at any exposed edge of Floor framing cavity insulation shall be installed to (including insulation. maintain permanent contact with the underside of above-garage subfloor decking,or floor framing cavity insulation and cantilevered shall be permitted to be in contact with the top side. floors) of sheathing,or continuous insulation installed on the underside of floor framing and extends from the bottom to the top of all perimeter floor framing members. Crawl space walls Exposed earth in unvented crawl spaces shall be covered with Where provided instead of floor insulation,insulation a Class 1 vapor retarder with overlapping joints taped. , shall be permanently attached to the crawlspace Shafts,penetrations. Duct shafts,utility penetrations,and flue shafts opening to exterior or unconditioned space shall be sealed. Batts in.narrow cavities shall be cut to fit,or narrow Narrow cavities cavities shall be filled by insulation that on installation readily conforms to the available cavity spaces. Garage separation Air sealing shall be provided between the garage and conditioned spac 9s. Recessed lighting Recessed light fixtures installed in the building thermal envelope Recessed light fixtures4ristalled in the building shall be sealed.to the drywall. thermal envelope shall be airtight.and IC rated. Plumbing and wiring Batt insulation shall be cut neatly to fit around wiring and plumbing in exterior walls,or insulation that on Installation readily conforms to available space shall extend behind pipina and wiring. Shower/tub. The air barrier installed at exterior walls adjacent to showers and Exterior walls adjacent to showers and tubs shall on exterior wall tubs shall separate them from the showers and tubs. be insulated. Electrical/phone box or The air barrier shall be installed behind electrical or communication exterior walls boxes or air-sealed boxes shall be installed. HVAC register boots HVAC register boots that penetrate building thermal envelope shall be sealed to the sub-floor or drywall. Concealed When required to be sealed,concealed fire sprinklers shall only be sprinklers sealed in a manner that is recommended by the manufacturer. Caulking or other adhesive sealants shall not.be used to fill voids a.In addition,inspection of log walls shall be in accordance with the provisions of iCC 400, 3/14/2019 11:16 AM EnergyGaugeO USA FBC 6th Edition(2017)Compliant Software Page 1 of 1