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08 90 00 Louvers and Vents

Sub-sections in this division:

08 — Openings 08 10 00 — Doors and Frames 08 50 00 — Windows 08 71 00 — Door Hardware 08 80 00 — Glazing

Spec Entries — 3 results across all jurisdictions

City of Henderson Ventilation & Waterproofing View Source ↗

Air Sealing — Blower Door Test Required

Residential units in Climate Zone 3 must achieve 3.0 ACH50 via third-party blower door test. Alternatives: 4.0 ACH50 non-sprinklered, 4.5 ACH50 sprinklered. Qualifying air barriers include: 1/2 in gypsum board, 5/8 in Portland cement stucco, closed-cell spray foam (1.5 in min), and others per IECC C402.6.2.3.1.

IECC R402 / C402 (Climate Zone 3)

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City of Henderson Building Utilities View Source ↗

Energy Efficiency — Insulation Minimums (Climate Zone 3)

Ceiling: R-38. Wood-framed wall: R-20 or R-13+5ci or 0+15ci. Floor: R-19 or R-13+5ci or 15ci. Unheated slab edge: none required. Vertical fenestration: max U-factor 0.30, max SHGC 0.25. Skylight: max U-factor 0.53, max SHGC 0.28.

IECC 2024 Tables R402.1.2 and R402.1.3 (Climate Zone 3)

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City of Las Vegas Ventilation & Waterproofing View Source ↗

Foundation Waterproofing & Dampproofing

Section R406.2 (foundation waterproofing and dampproofing) is specifically amended for Southern Nevada conditions. When basements are installed, plans must show a cross-section with materials, exterior waterproofing, and egress window well details.

SNBO 2024 IRC Amendment §R406.2; IRC R406

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