Search found 3 matches

by Jamgars
Thu Jan 16, 2025 6:50 pm
Forum: Conversion, Refurbishment and Renovation Forum
Topic: Condensation behind insulation in bungalow roof?
Replies: 4
Views: 98

Re: Condensation behind insulation in bungalow roof?

Hi jamgars, Lack of ventilation may well be the source of the problem. Perhaps refit the panel where the drips were forming and wait for the next cold spell and see if the problem still exists. As a matter of interest you appear to have 225 deep rafters - is this correct? Regards S Hmm, yeah 220 I ...
by Jamgars
Tue Jan 14, 2025 2:38 pm
Forum: Conversion, Refurbishment and Renovation Forum
Topic: Condensation behind insulation in bungalow roof?
Replies: 4
Views: 98

Re: Condensation behind insulation in bungalow roof?

Hi stoneyboy thanks for reply I have left a gap behind the insulation of about 100mm. I have had a look and I found the insulation beads from between double skin walls have overflowed and filled behind the soffits/fascias and therefore blocked airflow. I've cleared that out and refit the PIR. Does t...
by Jamgars
Fri Jan 10, 2025 2:44 pm
Forum: Conversion, Refurbishment and Renovation Forum
Topic: Condensation behind insulation in bungalow roof?
Replies: 4
Views: 98

Condensation behind insulation in bungalow roof?

Hi all I bought an old bungalow a couple of years ago which we have renovated, including having a completely new roof put on. I fitted 120mm PIR between the rafters and sealed along the edges with foil tape. During this cold weather I have come to fit a 20mm PIR across those same rafters but have fo...
It is currently Fri Jan 31, 2025 2:06 am