Building regulations: Building regulations
Brazil: ABNT standards NBR 9077 (exits), NBR 9050 (accessibility), NBR 15575 (housing performance)
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- Category
- Building regulations: Building regulations
- Kind
- Regulation pack
- Languages
- None provided. The words are as the provider wrote them.
- Author
- CadCraft
- Version
- 2, published Oct 27, 2026 Published
Brazil has no national building code: ABNT standards apply nationally and municipal codes set room sizes and openings. Values from a 2001 NBR 9077 copy and secondary sources; current editions not confirmed. Width (1.10 m) is the emergency-exit rule and is not checked for houses. Not checked by this pack: stair width, stair headroom, glazing, share of floor area, openable area, share of floor area…
License
CC0CC0 1.0 (public domain dedication). Anyone may use, change and share it for any purpose, with no conditions. Credit is welcome but not required.
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Regulation pack
Not checked: these numbers have not been confirmed against the standard. Brazil has no national building code: ABNT standards apply nationally and municipal codes set room sizes and openings. Values from a 2001 NBR 9077 copy and secondary sources; current editions not confirmed. Width (1.10 m) is the emergency-exit rule and is not checked for houses. Not checked by this pack: stair width, stair headroom, glazing, share of floor area, openable area, share of floor area…
- Place
- Brazil
- Pack id
br-abnt- Edition
- ABNT standards NBR 9077 (exits), NBR 90…
- Authority
- Model code
- Source date
- 2001-12
- Last checked
- 2026-10-27
- Source
- ABNT; municipal Códigos de Obras; state fire brigades, ABNT standards NBR 9077 (exits), NBR 9050 (accessibility), NBR 1…
| Rule | Clause | Required |
|---|---|---|
| Riser height 160-180 mm; 630 ≤ 2h + b ≤ 640 mm. | NBR 9077 4.7.3.1; NBR 9050 6.8.2 | At most 180 mm |
| Tread depth (going) 280-320 mm on accessible routes. | NBR 9050 6.8.2 | At least 280 mm |
| Handrail height NBR 9050 accessible routes: double handrails at 700 and 920 mm. | NBR 9077 4.8.2.1 | 800 mm to 920 mm |
| Ceiling height 2.30 m allowed in halls, corridors, toilets and bathrooms. Municipal codes may require more. | NBR 15575-1 | At least 2,500 mm |
A guide only: the registered professional and the local authority decide. A pack holds numbers and clause numbers, never the standard's text. The Building regulations add-on in BimCraft checks drawings against it.
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