British Standards Institution

Source:: BSI
Committee:: B/546 - Flexible sheets for waterproofing and water vapour control
Categories:: Information management | Standardization. General rules | Construction | Construction materials and building | Building elements | Roofs

Scope

This standard describes best current practice in the design, construction, care and maintenance of roofs with a flat or curved surface, at a pitch not greater than 10 degrees to the horizontal, with a continuously supported flexible waterproof covering. The supporting structure is either dense and heavy (such as a concrete slab) or consists of framing members supporting a lightweight deck of metal or of timber-based material. It does not apply to certain types of cold stores and high temperature enclosures.

Purpose

Since publication of this edition in 2018, a number of changes have taken place in the functional requirements for buildings, in the performance capability of roofing materials and in some aspects of building practice. It is therefore proposed that the current code of practice be reviewed, and elements of its content (covering design, materials, and care & maintenance) updated.

Comment on proposal

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

04/08/2023

Proposal end date:

03/09/2023

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

BS 6229:2018 rev Flat roofs with continuously support flexible waterproof coverings – Code of practice

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