HomeMy WebLinkAboutAir Barrier & Insulation Inspection0 - AIR BARRIER AND INSULATION INSPECTION COMPONENT CRITERIA
TABLE 402.4.1.1
AIR BARRIER AND INSULATION INSPECTION COMPONENT CRITERIAa
Projdct Name: Model H4 -51 Paleo 11-24-2021 Builder Name: HQ Construction
Street: 5206 Paleo Circle Permit Office:
city, IS Zip: Fort Pierce, FL, 34951 Permit Number: Y
Owner: HQ Construction Jurisdiction: 0
Design Location: FL, ST LUCIE_CO_INTL County: St. Lucie(Florida Climate Zone 2) _
I U
COMPONENT
AIR BARRIER CRITERIA
INSULATION INSTALLATION CRITERIA
Genefal
A continuous air barrier shall be installed in the building envelope
Air -permeable insulation shall
requirements
The exterior thermal envelope contains a continuous air barrier.
not be used as a sealing material.
Breaks or joints in the ai- barrier shall be sealed.
The air barrier in any drepped ceiling/soffit shall be aligned with
The insulation in any dropped ceiling/soffit
Ceiling/attic
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 comers 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 with
sealed.
a material having a thermal resistance of R-3 per
Knee walls shall be sealed.
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/doorjambs 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
(inclutling
insulation.
maintain permanent contact with the underside of
above -garage
subfloor decking, or floor framing cavity insulation
and c ntilevered
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
Where provided instead of floor insulation, insulation
with a Class I vapor retarder with overlapping joints taped.
shall be permanently attached to the crawlspace walls
Shafi , penetrations
Duct shafts, utility penetrations, and flue shafts opening to
exterior or unconditioned space shall be sealed.
Narrgiro cavities
Batts in narrow cavities shall be cut to fit, or narrow
cavities shall be filled by insulation that on
installation readily conforms to the available cavity
spaces.
Gara a separation
Air sealing shall be prov:ded between the garage and
conditioned spaces.
Recej sed lighting
Recessed light fixtures installed in the building thermal
Recessed light fixtures installed in the building
envelope shall be sealed to the finished surface.
thermal envelope shall be air tight 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 piping and wiring.
Shower/tub
The air barrier installed at exterior walls adjacent to showers
Exterior walls adjacent to showers and tubs shall
on exterior wall
and tubs shall separate them from the showers and tubs.
be insulated.
Electrical/phone box
The air barrier shall be installed behind electrical or
on exterior walls
communication boxes or air -sealed boxes shall be installed.
HVA
G register boot
HVAC supply and returr register boots that penetrate building
thermal envelope shall be sealed to the sub -floor, wall covering
or ceiling penetrated by the boot.
Concealed
When required to be sealed, concealed fire sprinklers shall only
sprinklers
be sealed in a manner that is recommended by the manufacturer
Caulking or other adhesive sealants shall not be used to fill voids
voids between fire sprinkler cover plates and walls or ceilings.
a. In addition, inspection of log walls shall be in accordance with the provisions of ICC-400.
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