Research and analysis

Waterproofing cavity walls

Research investigating the effectiveness of waterproofing treatments in reducing rain penetration in unprotected cavity walls.

• From: Department for Energy Security and Net Zero and Department for Business, Energy & Industrial Strategy
• Published: 12 March 2021

Documents

Waterproofing cavity walls to allow insulation in exposed areas: report

Ref: BEIS Research Paper Number: 2021/017

PDF, 2.01 MB, 45 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix A (wall analysis)

Ref: BEIS Research Paper Number: 2021/017

PDF, 828 KB, 30 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix B (treatment analysis)

Ref: BEIS Research Paper Number: 2021/017

PDF, 221 KB, 6 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix C (bench testing)

Ref: BEIS Research Paper Number: 2021/017

PDF, 2.27 MB, 21 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix D (desktop analysis of hygrothermal modelling)

Ref: BEIS Research Paper Number: 2021/017

PDF, 349 KB, 13 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix E (WDR testing)

Ref: BEIS Research Paper Number: 2021/017

PDF, 2.89 MB, 22 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix F (U-value testing)

Ref: BEIS Research Paper Number: 2021/017

PDF, 457 KB, 9 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix G (hygrothermal modelling)

Ref: BEIS Research Paper Number: 2021/017

PDF, 2.81 MB, 18 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix H (site investigations)

Ref: BEIS Research Paper Number: 2021/017

PDF, 1.18 MB, 7 pages

Waterproofing cavity walls to allow insulation in exposed areas: appendix I (stock modelling)

Ref: BEIS Research Paper Number: 2021/017

PDF, 1.17 MB, 14 pages

Details

This research investigated the effectiveness of waterproofing treatments in reducing rain penetration in unprotected cavity walls, and establishes whether such treatments could safely allow wall cavities to be insulated as a retrofit measure in exposed areas.

Published 12 March 2021