British Standards Institution

Source:: CEN
Committee:: B/506/5 - (DISBANDED 03.11.2022 See B/506) Chimneys and their components having inner linings of metal
Categories:: Chimneys. Shafts. Ducts
Number of comments:: 0

Scope

This document specifies the characteristics of performance for single and multi‑wall system chimney products with rigid metal liners (chimney sections, chimney fittings and terminals, including supports) with nominal diameter up to and including 1 200 mm, used to convey the products of combustion from appliances to the outside atmosphere.This document also specifies characteristics for the air supply ducts of concentric chimneys for room-sealed application. Additionally, it specifies the characteristics for marking, manufacturer's instructions, product information and assessment and verification of constancy of performance (AVCP). Metal liners and metal connecting flue pipes not covered here are included in prEN 1856‑2:2019.This document does not apply to structurally independent (free standing or self‑supporting) chimneys.

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Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

29/01/2019

3. Public Comments

Public Comments start date:

30/05/2019

Public Comments end date:

22/07/2019

4. Comment Resolution

Comment Resolution start date:

01/02/2022

5. Approval

6. Publication

Publication start date:

25/04/2022

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Standards Development

BS EN 1856-1 Chimneys - Requirements for metal chimneys. - Part 1: System chimney products

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