Difference between revisions of "Spray-on Roof Insulation"
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==Discussion Threads== | ==Discussion Threads== | ||
| − | + | * [https://groups.google.com/forum/#!topic/uk.d-i-y/fFqRqRqfZCk a roofer's experience] | |
==See Also== | ==See Also== | ||
Latest revision as of 11:49, 27 June 2013
Spray-on Foam Roof Insulation has been much criticised for its problems.
Problems
- Does not permit water drainage or evaporation
- No air gap between insulator & tiles/slates to allow airflow for drying
- Increases chances of structural timber rot, and repacing a timber roof structure isn't cheap.
- No ability to inspect timbers after insulation is sprayed
- Prevents re-use of roof covering. This creates an additional expense & in some cases renders historic fabric unreusable.