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12 years12 yearsdubman posted:
Polystyrene boards on attic joists -condensation?
Polystyrene boards on attic joists -condensation?
Actually the ceiling is parquet boards - 9 cm wide x 14 mm thick, so that isn't an air seal. So now I'm thinking of drilling several 1-inch holes in…
12 years12 yearsdubman posted:
Polystyrene boards on attic joists -condensation?
Polystyrene boards on attic joists -condensation?
Hi, I have installed 8cm thick polystyrene boards on *top of attic joists, so there is nothing *between the joists,
and therefore there would be a build up of heat…
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8 September 2012