May 11, 20233 yr Hi all I have a vaulted ceiling in a couple of the bedrooms. What is the best way to insulate this from the loft side? In the bedroom I will be parge coating and dot & dab. I need to bring in 2 x MVHR ducts and couple of cables. I will need to run the ducts up the wall and insulate them too (as have cold loft) I have attached a photo, the ducts will go through right at the apex Many Thanks p.s I will be fixing the restraint straps with noggins etc Edited May 11, 20233 yr by richo106
May 11, 20233 yr Don't have a cold loft. Continue the insulation and air tight layer up the roof to the apex and down again. So much easier to detail and you have a warm loft.
May 11, 20233 yr Author 10 minutes ago, ProDave said: Don't have a cold loft. Continue the insulation and air tight layer up the roof to the apex and down again. So much easier to detail and you have a warm loft. I looked at having a warm loft but naively I didn’t know this was a thing until it was a bit late. I looked at doing it like I did the vaulted ceilings with PIR between the rafters and underneath but the cost was just too much that I could stretch as my budget is already ridiculously stretched
May 12, 20233 yr Author Would battening with 120mm Rockwool between and then 100mm PIR over the top be a good option? This would allow room for the MVHR ducts to run within the insulation
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