by Colin King and Caroline Weeks (31-Mar-2016)
NOTE: THIS IS A DOWNLOAD - FOLLOW THIS LINK TO PURCHASE THE PAPER VERSION.
Refurbishing solid walls with externally or internally applied insulation can help to reduce heat loss from a building, but it has the potential to introduce a range of undesirable effects such as condensation and mould growth if not carried out correctly. This guide for surveyors, designers and installers provides advice on assessing the potential risks and reducing the likelihood of long-term problems. It discusses:
· surveying and assessment of exposure risk and existing ventilation,
· detailed design,
· quality assurance on site,
· an integrated approach by surveyors, designers and installers.
The guide will also be useful to clients and householders in creating realistic expectations as they commission an appropriate team of professionals to undertake an installation.
Contents:
1. Introduction and background
2. Types of unintended consequences
3. Causes of potential problems with solid wall insulation
4. Tackling the causes of unintended consequences
- client guidance
- surveying guidance
- design guidance
- installation guidance
5. Conclusions
6. References
Related titles:
Reducing thermal bridging at junctions when designingand installing solid wall insulation (FB 61)
Conventions for calculating linear thermal transmittance
and temperature factors (BR 497, 2nd edn)
Understanding dampness (BR 466)
Thermal insulation: avoiding risks (BR 262)
Fire performance of external thermal insulation for wallsof multistorey buildings (BR 135, 3rd edn)
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Colin King and Caroline Weeks
31-Mar-2016
978-1-84806-435-5
A4, 24pp
BRE Report, FB79, wall insulation
BRE Electronic Publications
