.....sorry.
My architect is stating that my loft conversion requires 120mm celotex between the rafters, 20mm under.... Totalling 140mm.
I can get some 100mm celotex at a good (v.good) price.
Would I not be able to use 100mm between, 40mm under instead? same total.
Headrooms not an issue, plenty of space.
Also. In general, can Celotex / kingspan / xtratherm etc be mixed / used together??
Thanks in advance....
My architect is stating that my loft conversion requires 120mm celotex between the rafters, 20mm under.... Totalling 140mm.
I can get some 100mm celotex at a good (v.good) price.
Would I not be able to use 100mm between, 40mm under instead? same total.
Headrooms not an issue, plenty of space.
Also. In general, can Celotex / kingspan / xtratherm etc be mixed / used together??
Thanks in advance....