British Standards Institution

Source:: CEN
Committee:: B/540 - Energy performance of materials components and buildings
Categories:: Information management | Standardization. General rules | Construction | Construction materials and building | Construction industry | Thermal and sound insulating materials | Thermal insulation | Installations in buildings

Scope

This European Standard specifies the equipment and procedure for determining the water vapour transmission properties in the steady state under specified test conditions for test specimens of preformed pipe insulation.

It is applicable to thermal insulating products. It is intended to be used for homogeneous materials (see NOTE) and for products which may have integral skins or adhered facings of some different material. NOTE A material is considered to be homogeneous in terms of mass distribution if its density is approximately the same throughout, i.e. if the measured density values are close to its mean density.

The water vapour transmission rate and permeance values are specific to the test specimen (i.e. the product) thickness tested. For homogeneous products, the water vapour permeability is a property of the material.

If the pipe insulation is cut from a flat product, then the water vapour transmission properties can be obtained from tests carried out on the flat product with similar properties in accordance with EN 12086.

Purpose

Revision of EN 13469 as Vienna Agreement for publication as an EN ISO standard under CEN-lead.

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

Standard timeline

1. Proposal

Proposal start date:

13/03/2020

Proposal end date:

09/04/2020

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

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Standards Development

Revision of EN 13469, Thermal insulating products for building equipment and industrial installations - Determination of water vapour transmission properties of preformed pipe insulation

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