Research and analysis

Waterproofing cavity walls

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

Documents

Waterproofing cavity walls to allow insulation in exposed areas: report

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

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

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

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

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

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

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

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

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