ASHRAE-90.1-2022- - Page 071
Extracted Content
Table 5.8.3.1 Maximum Air Leakage for Materials and Assemblies
| Continuous Air Barrier | Maximum Air Leakage, cfm/ft2 | Minimum Test Pressure, psf | Test Method |
|---|---|---|---|
| Materials a | 0.004 | 1.57 | ASTM E2178 |
| Assemblies b | 0.04 | 1.57 | ASTM E2357, ASTM E1677, ASTM E1680, ASTM E283 |
a. The following materials comply with the requirements in Table 5.8.3.1:
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Plywood—minimum 3/8 in.
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Oriented strand board—minimum 3/8 in.
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Extruded polystyrene insulation board—minimum 1/2 in.
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Foil-faced polyisocyanurate insulation board—minimum 1/2 in.
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Exterior gypsum sheathing or interior gypsum board—minimum 1/2 in.
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Cement board—minimum 1/2 in.
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Built-up roofing membrane
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Modified bituminous roof membrane
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Single-ply roof membrane
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A Portland cement/sand parge, stucco, or gypsum plaster—minimum 1/2 in. thick
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Cast-in-place and precast concrete
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Sheet metal
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Closed-cell 2 lb/ft [3] nominal density spray polyurethane foam—minimum 1 in. b. The following assemblies comply with the requirements in Table 5.8.3.1:
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Concrete masonry walls that are (a) fully grouted or (b)painted to fill the pores
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Shale or clay masonry units that are assembled as a solid wall : without weeps, with nominal width of 4 in. or more, and with Type S mortar
| Table 5.8.3.2 Maximum Air Leakage for Fenestration and Doors | Col2 | Col3 | Col4 |
|---|---|---|---|
| Fenestration and Door Products | Maximum Air Leakage, cfm/ft2 | Minimum Test Pressure, psf | Test Methods |
| Glazed swinging_entrance doors_, glazed power-operating sliding_entrance_ doors, glazed power-operated folding_entrance doors_, and revolving_doors_ | 1.0 | 1.57 | AAMA/WDMA/CSA 101/I.S.2/A440, NFRC 400, or ASTM E283; |
| Curtainwall and storefront glazing | 0.06 | 1.57 | NRFC 400 or ASTM 283 |
| Unit_skylights_ having condensation weepage openings | 0.3 | 1.57 | AAMA/WDMA/CSA 101/I.S.2/A440 or NFRC 400 |
| Unit_skylights_ having condensation weepage openings | OR | OR | OR |
| Unit_skylights_ having condensation weepage openings | 0.5 | 6.24 | AAMA/WDMA/CSA 101/I.S.2/A440 |
| Nonswinging doors intended for vehicular access and material transportation, with a minimum opening rate of 32 in./s | 1.3 | 1.57 | ANSI/DASMA 105, NFRC 400, or ASTM E283 |
| Other_opaque nonswinging doors_, glazed_sectional garage doors_, and upward acting glazed_nonswinging_ | 0.4 | 1.57 | ANSI/DASMA 105, NFRC 400, or ASTM E283 |
| All other products | 0.2 | 1.57 | AAMA/WDMA/CSA 101/I.S.2/A440 or NFRC 400 |
| All other products | OR | OR | OR |
| All other products | 0.3 | 6.24 | AAMA/WDMA/CSA 101/I.S.2/A440 |
ANSI/ASHRAE/IES Standard 90.1-2022 (I-P) 69