British Standards Institution

Source:: BSI
Committee:: PRI/72 - Rigid cellular materials
Categories:: Information management | Standardization. General rules | Cellular materials | Thermal insulation

Scope

BS 7021 gives recommendations for the thermal insulation of roofs externally by spraying with PUR or PIR foam, and their subsequent protection by means of a protective membrane applied in liquid form.

Purpose

BS 7021 covers the spraying of existing and new roofs, the procedure of application, protective membranes as well as health and safety and fire performance information for optimised use of PUR or PIR foam.

Comment on proposal

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

Standard timeline

1. Proposal

Proposal start date:

26/10/2023

Proposal end date:

21/12/2023

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

Proposed withdrawal of BS 7021:1989 Code of practice for thermal insulation of roofs externally by means of sprayed rigid polyurethane (PUR) or polyisocyanurate (PIR) foam

Scope

Purpose

Comment on proposal

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