24C-198 HERS-548 86 Massasoit St TBCENERGY STAR Qualified Homes
Thermal Bypass Inspection Checklist
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Corrections 'I Builder I Rater I
Needed
Home Address:
Thermal Bypass Inspection Guidelines Builder
Verified
Rater
Verified
1, Overall Air Barrier
and Thermal
Barrier Alignment
Requirements;
Insulation shall be installed in full contact with sealed interior and exterior air barrier except (or alternate to interior air tsarrier
urtder item no, 2 (Walls Adjoining Exterior Walls or Unconditioned Spaces)
All Climate Zones:
1.1 Overall Alig
1.2 Garage Band
nment Throughout Home—^ ^{f^ol^Q^ Cl2,(l,')C^
nd Joist Air Barrier (at bays adjoining conditioned space)
1.3 Attic Eave Baffles Where Vents/Leakage Exist • •
• • •
• Only at Climate Zones 4 and Higher:
1.4 Slab-edge Insulation (A maximum25% of the slab edge may be
uninsulated in Climate Zones 4jMwi-S^
Best Practices Encourag^ IMot Req'd • • •
1.5 Air Barrier At All Band Joists (Climafe Zones'} and higher)
1.6 Minimize Thermal Bridging (e.g., OVE framing, SIPs, ICFs)
•
• • • • • • • 2. Walls Adjoining
Exterior Walls or
Unconditioned
Spaces
Requirement:
• Fully insulated v/all aligned with air barrier at both interior and exterior, OR
• Alternate for Climate Zones 1 thru 3, sealed exterior air barrier aligned with RESNET Grade 1 insulation fully supported
• Continuous top and bottom plates or sealed blocking
2.1 Wall Behind Shower/Tub
2.2 Wall Behind Fireplace
2.3 Insulated Attic SlopesAWalls
2.4 Attic Knee Walls
2.5 Skylight Shaft Walls
2.6 Wall Adjoining Porch Roof
2.7 Staircase Walls
2.8 Double Walls
• • • •
• • • •
• • •
•
• •
• •
• •
• •
s
•
3. Floors betv««en
Conditioned and
Exterior Spaces
Requirements:
• Air barrier is installed at any exposed fibrous insulation edges
• Insulation is installed to maintain permanent contact with sub-floor above including necessary supports (e.g., staves for
blankets, netting for blown-in)
• Blanket insulation is verified to have no gaps^ voids or compression.
» Blown-in insulation is verified to have proper density with firm packing
3.1 Insulated Floor Above Garage
3.2 Cantilevered Floor • • • • Shafts Requirements:
Openings to unconditioned space are fully sealed with solid blocking or flashing and any remaining gaps are sealed v^th
caulk or foam (provide fire-rated collars and caulking wtiere required)
4.1 Duct Shaft
4.2 Piping Shaft/Penetrations
4.3 Flue Shaft
• • •
• EZ 0^ •
5: • • 5. Attic/ Ceiling
Interface
Requirements: ^—"-^
• All attic penetrations and dropped ceilings include a full interior air barrier aligned with insulation with any gaps fully sealed
with caulk, foam or tape
« fVlovable insulation fits snugly in opening and air barrier is fully gasketed
5 1 Attic Access Panel (fully gasketed and insulated)
5.2 Attic Drop-down Stair (fully gasketed and insulated)
5.3 Dropped Ceiling/Soffit (full sir barrier aligned with insulation)
5.4 Recessed Lighting Fixtures (ICAT labeled and sealed to drywall)
5.5 Whole-house Fan (insulated cover gasketed to the opening)
• • • • •
• •
• •
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Common Walls
Between Dwelling
Units
Requirements:
Gap between dr/v/all shaft wall (i.e., common wall) and the structural framing between units is fully sealed at all exterior
boundary conditions
6.1 Common Wall Between Dwelling Units • • • Home Energy Rating Provider:
Home Energy Rater Compa
Home Energy Rater Signature
Rater Inspection Date: ^0/
ny Name: foiiifrjLf^ (}v^Jni^^ Company Nan
ire: 6J:^\_ ^ i
Builder Inspection D,ate:
Builder Employee Signature: