Why PIR board fails in solid walls
The mechanism behind the most common internal insulation failure in period property, explained without jargon.
GUIDES
Guides to retrofitting traditional buildings
Moisture, consent, cost and material choice, explained for homeowners and specifiers.
Practical guidance on moisture, insulation and retrofit in traditional buildings, written for homeowners, architects and conservation officers.
Published guides
In preparation
These are the guides we are working on next. If one of them would answer a question you have now, ask us directly rather than waiting.
Book a free property assessment
A specialist visits your property, assesses the wall construction, and produces a written build-up recommendation with indicative costs. No obligation, no hard sell.