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Hello,
I have a garage that has already been converted - not by myself, but I'm not impressed with the builder who did it. Nevertheless, I am modifying it and am running into one or two issues. I have included a diagram and photos that shows the current state of affairs.
The garage is split into two rooms, the other room is fine, but the smaller room is what I'm working on. I have had to remove the ceiling and have found that above the plasterboard ceiling is rock wool. There is no insulation between the roofing battens, as I would have expected, nor any indication of a vapour membrane.
What I'm planning on doing is put proper ballytherm insulation boards between the roofing battens, and placing a vapour barrier then underneath the insulation. Where I have a problem is where this room the connects to the second room which is okay. I'm thinking I could place insulation and a vapour barrier between these two rooms where the roofing batten is that separates them - thus
Secondly, I have one small wall which is a single skin brick wall. This has had just plasterboard dotted and dabbed on it and then tiled. It hasn't had any issues regarding dampness (however it is a room which holds the boiler which may be why). But, rather than just do that, could I just use a vapour barrier against the wall, and put the tile backing boards to that? I know ideally it would be a stud wall, but I cannot do that because it's also the wall where the boiler is (you can see the old flue hole), but the boiler has been moved further to the right.
Both photos are from the room which is being rennovated - one facing the single skin brick wall and the other the wall opposite which separates the two rooms.
Edit: To give an idea of size, the single skin wall is only 2.4m wide by 3m high (that's from the floor to the tile membrane).
Thanks!
I have a garage that has already been converted - not by myself, but I'm not impressed with the builder who did it. Nevertheless, I am modifying it and am running into one or two issues. I have included a diagram and photos that shows the current state of affairs.
The garage is split into two rooms, the other room is fine, but the smaller room is what I'm working on. I have had to remove the ceiling and have found that above the plasterboard ceiling is rock wool. There is no insulation between the roofing battens, as I would have expected, nor any indication of a vapour membrane.
What I'm planning on doing is put proper ballytherm insulation boards between the roofing battens, and placing a vapour barrier then underneath the insulation. Where I have a problem is where this room the connects to the second room which is okay. I'm thinking I could place insulation and a vapour barrier between these two rooms where the roofing batten is that separates them - thus
Secondly, I have one small wall which is a single skin brick wall. This has had just plasterboard dotted and dabbed on it and then tiled. It hasn't had any issues regarding dampness (however it is a room which holds the boiler which may be why). But, rather than just do that, could I just use a vapour barrier against the wall, and put the tile backing boards to that? I know ideally it would be a stud wall, but I cannot do that because it's also the wall where the boiler is (you can see the old flue hole), but the boiler has been moved further to the right.
Both photos are from the room which is being rennovated - one facing the single skin brick wall and the other the wall opposite which separates the two rooms.
Edit: To give an idea of size, the single skin wall is only 2.4m wide by 3m high (that's from the floor to the tile membrane).
Thanks!
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