logo

Standards Manage Your Business

We Manage Your Standards

ISO

ISO 21927-4:2019

Smoke and heat control systems — Part 4: Natural smoke and heat exhaust ventilators — Design, requirements and installation

Standard Details

This document applies to the design and installation of natural smoke and heat exhaust ventilators (NSHEVs) for spaces from which smoke is extracted vertically by thermal buoyancy via the roof in the case of single-storey buildings and via the uppermost storey in the case of multi-storey buildings. It also applies to spaces in which NSHEVs are installed in external walls.

This document includes tables and calculation methods for the design of clear layers in order to comply with the requirements of various protection objectives.

This document includes information and provisions to be taken into account when applying the design rules set out herein and when installing NSHEVs.

General Information

Status : Published
Standard Type: Main
Document No: ISO 21927-4:2019
Document Year: 2019
Pages: 16
Edition: 1

Life Cycle

Currently Viewing

Published
ISO 21927-4:2019
Knowledge Corner

Expand Your Knowledge and Unlock Your Learning Potential - Your One-Stop Source for Information!

© Copyright 2024 BSB Edge Private Limited.

Enquire now +