ᐅ Garage workshop floor and walls, as well as crawl space, with vapor barrier
Created on: 20 Jan 2023 21:47
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treeshortT
treeshort20 Jan 2023 21:47Hello,
We have rented a semi-detached house. There is also a garden, a garage, and a crawl space.
I would like to insulate the garage and cover the floor with OSB boards. The insulation should help make the garage more comfortable both in winter and in the high summer heat. If possible, it should also provide soundproofing to reduce noise from my activities for the neighboring houses. Although the landlord is very accommodating, I would prefer a low-cost solution.
My plan is to lay XPS insulation boards, 20mm (about 1 inch) or possibly 30mm (about 1¼ inches) thick, on the concrete floor and then place OSB boards on top. I would leave a ventilation gap at the walls. Is this suitable, or is there a risk of trapped moisture here? Another question is whether XPS reduces noise from machines placed on it or if it simply transmits vibrations without damping. Is there perhaps an alternative, such as Rockwool panels, at a similar price?
For the walls—maybe only the one facing away from the house—I plan to install wooden battens fixed with soundproofing dowels, place the cheapest mineral wool insulation between them, and then seal it with OSB boards. Would a vapor barrier be necessary here? Would 20mm (about 1 inch) XPS be sufficient for this purpose? Soundproofing is the highest priority, so I think thin insulation will be enough.
We also have a crawl space about 1.1m (3 feet 7 inches) high that opens onto bare earth. Would it make sense to lay a membrane to block moisture coming from the ground? Is this feasible, or would it cause mold to develop under the membrane?
Thank you very much for any input. I am curious to know if my approach is reasonable or completely off track.
We have rented a semi-detached house. There is also a garden, a garage, and a crawl space.
I would like to insulate the garage and cover the floor with OSB boards. The insulation should help make the garage more comfortable both in winter and in the high summer heat. If possible, it should also provide soundproofing to reduce noise from my activities for the neighboring houses. Although the landlord is very accommodating, I would prefer a low-cost solution.
My plan is to lay XPS insulation boards, 20mm (about 1 inch) or possibly 30mm (about 1¼ inches) thick, on the concrete floor and then place OSB boards on top. I would leave a ventilation gap at the walls. Is this suitable, or is there a risk of trapped moisture here? Another question is whether XPS reduces noise from machines placed on it or if it simply transmits vibrations without damping. Is there perhaps an alternative, such as Rockwool panels, at a similar price?
For the walls—maybe only the one facing away from the house—I plan to install wooden battens fixed with soundproofing dowels, place the cheapest mineral wool insulation between them, and then seal it with OSB boards. Would a vapor barrier be necessary here? Would 20mm (about 1 inch) XPS be sufficient for this purpose? Soundproofing is the highest priority, so I think thin insulation will be enough.
We also have a crawl space about 1.1m (3 feet 7 inches) high that opens onto bare earth. Would it make sense to lay a membrane to block moisture coming from the ground? Is this feasible, or would it cause mold to develop under the membrane?
Thank you very much for any input. I am curious to know if my approach is reasonable or completely off track.
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hanghaus202322 Jan 2023 14:04A cooperative landlord won't help if you use the garage for a different purpose.
In any case, always ask the landlord for written permission in advance. Otherwise, you will have to restore everything when you move out.
In any case, always ask the landlord for written permission in advance. Otherwise, you will have to restore everything when you move out.
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treeshort23 Jan 2023 10:46It's a pity that no constructive response is coming here. Clarifying this with the landlord is obviously a given and not the question here…
The purpose was already specified in the tenancy agreement.
The purpose was already specified in the tenancy agreement.
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