Hello.
I've almost finished installing all the EPS in the ceiling of the garage construction.
At the top against the råsponten there's a batten for the air gap, which runs all the way from the simslåda up over the ridge and down to the other side's simslåda. Then a 100mm EPS80 is glued against the batten and, of course, against the next board. Below these, there is 50mm EPS80 placed in the same way with staggered joints. The EPS is tightly fitted between the rafters, with no gaps.
I'm about to install battens and gypsum. (I haven't decided yet if it should be OSB-Gypsum or just gypsum there)
But do I need plastic as the last layer before the battens????
I've almost finished installing all the EPS in the ceiling of the garage construction.
At the top against the råsponten there's a batten for the air gap, which runs all the way from the simslåda up over the ridge and down to the other side's simslåda. Then a 100mm EPS80 is glued against the batten and, of course, against the next board. Below these, there is 50mm EPS80 placed in the same way with staggered joints. The EPS is tightly fitted between the rafters, with no gaps.
I'm about to install battens and gypsum. (I haven't decided yet if it should be OSB-Gypsum or just gypsum there)
But do I need plastic as the last layer before the battens????
It seems that quite a few people believe that you don't need plastic in a garage, with the reasoning that not much vapor is generated inside. But of course, if you wash your car there once a week during the winter season, then I would recommend plastic.
Some even argue that having plastic in a garage could be negative because it could cause reverse condensation. Personally, I find it hard to believe that this would be a significant problem, and I'm still waiting to hear about the first case where this has actually happened and caused issues.
Some even argue that having plastic in a garage could be negative because it could cause reverse condensation. Personally, I find it hard to believe that this would be a significant problem, and I'm still waiting to hear about the first case where this has actually happened and caused issues.
OK. Hmm... thought the plastic was mostly to prevent drafts through the insulation if you had wool. and it sure won't blow through the EPS...
It's a hobby/screw garage without water (in the tap) will keep 14-18 degrees at least, increase the heat when I'm going to do something.
It's a hobby/screw garage without water (in the tap) will keep 14-18 degrees at least, increase the heat when I'm going to do something.
Wind barrier is placed on the outside of the insulation. Plastic on the inside. The wind barrier must breathe. It might be good to have a wind barrier anyway because you probably have some seams and other things in the insulation. If wind blows in there, the effectiveness of the insulation could be quite reduced on a windy day, perhaps 
Feels like it will be plast-läkt-OSB/drywall.