Hi Guys,
My house has a roof where the top rooms go up into the attic area slightly so the corners of the ceilings are slanted. I think they call them skeelings?
There is no insulation in between the ceiling and the tiles so it's really cold during the winter.
I tried insulating a small area by pushing 50mm celotex insulation board down into the eaves but I was surprised to find there doesn't appear to be any difference... at least not according to the Black and Decker heat/thermal leak detector I used. Same reading coming back from insulated section and non-insulated section. I've tested the detector on other areas where I would expect to see a difference and the detector itself appears to be working.
I think the problem is there is a small ridge (maybe a batten) half way down the eave which means I can only get 50mm celotex down into the eave above the ridge leaving a 40mm gap below the celotex. Ideally I guess the celotex would be against the ceiling and the gap above but that isn't possible due to the ridge. The rafters are 90mm. You can see this in the picture below.
Another option I had considered is pushing some mineral wool down into the eaves and using some kind of vent to keep a bit of a gap for ventilation but above the insulation so the gap of cold air isn't between the insulation and the ceiling but the insulation and the tiles.
I'd appreciate your advice.
Thanks,
Tim.
My house has a roof where the top rooms go up into the attic area slightly so the corners of the ceilings are slanted. I think they call them skeelings?
There is no insulation in between the ceiling and the tiles so it's really cold during the winter.
I tried insulating a small area by pushing 50mm celotex insulation board down into the eaves but I was surprised to find there doesn't appear to be any difference... at least not according to the Black and Decker heat/thermal leak detector I used. Same reading coming back from insulated section and non-insulated section. I've tested the detector on other areas where I would expect to see a difference and the detector itself appears to be working.
I think the problem is there is a small ridge (maybe a batten) half way down the eave which means I can only get 50mm celotex down into the eave above the ridge leaving a 40mm gap below the celotex. Ideally I guess the celotex would be against the ceiling and the gap above but that isn't possible due to the ridge. The rafters are 90mm. You can see this in the picture below.
Another option I had considered is pushing some mineral wool down into the eaves and using some kind of vent to keep a bit of a gap for ventilation but above the insulation so the gap of cold air isn't between the insulation and the ceiling but the insulation and the tiles.
I'd appreciate your advice.
Thanks,
Tim.