24 CFR § 3280.1004 - Exterior walls.

---
identifier: "/us/cfr/t24/s3280.1004"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "24 CFR § 3280.1004 - Exterior walls."
title_number: 24
title_name: "Housing and Urban Development"
section_number: "3280.1004"
section_name: "Exterior walls."
chapter_name: "OFFICE OF ASSISTANT SECRETARY FOR HOUSING—FEDERAL HOUSING COMMISSIONER, DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT"
part_number: "3280"
part_name: "MANUFACTURED HOME CONSTRUCTION AND SAFETY STANDARDS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 2697, 42 U.S.C. 3535(d), 5403, and 5424."
regulatory_source: "40 FR 58752, Dec. 18, 1975, unless otherwise noted. Redesignated at 44 FR 20679, Apr. 6, 1979."
cfr_part: "3280"
---


# 3280.1004 Exterior walls.

(a) The requirements of § 3280.504 for condensation control and vapor retarder installation are required to be provided on each fire separation wall of each attached manufactured home.

(b) The requirements of § 3280.506 for heat loss/gain insulation apply to the fire separation wall on each attached manufactured home.