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by Leaky Roof
Mon Aug 15, 2016 2:54 pm
Forum: Flat Roofing Forum
Topic: Advice Needed on Insultating Cold Roof Flat Roof
Replies: 0
Views: 2660

Advice Needed on Insultating Cold Roof Flat Roof

I have a flat roof cold roof. Celotex PL4000 insulation board (60mm insulation 12mm plasterboard ceiling > roof joists (12" tapering void) vented via facia front and back for cross breeze > 18mm water bonded plywood > two layers of roofing felt. The room obviously refusing to hold any heat. Wha...
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