Hello everyone!
I am planning to convert an old utility building next to my house into a garage. The exterior walls and the ring foundation will remain as they are. Only new openings for garage doors will be made, and the floor needs to be redone.
And that’s exactly what I need advice on: the correct floor construction.
1) From bottom to top:
Paper / foil as a moisture barrier
Concrete slab
Insulation
Floating screed
2) From bottom to top:
Concrete slab
Foil against groundwater
Insulation
Floating screed
3) Or a completely different approach?
I would appreciate a short, helpful answer.
Also, regarding insulation: what do you recommend? What thickness makes sense, and at what point is it just a waste of money? (The garage will be heated).
Thank you!
I am planning to convert an old utility building next to my house into a garage. The exterior walls and the ring foundation will remain as they are. Only new openings for garage doors will be made, and the floor needs to be redone.
And that’s exactly what I need advice on: the correct floor construction.
1) From bottom to top:
Paper / foil as a moisture barrier
Concrete slab
Insulation
Floating screed
2) From bottom to top:
Concrete slab
Foil against groundwater
Insulation
Floating screed
3) Or a completely different approach?
I would appreciate a short, helpful answer.
Also, regarding insulation: what do you recommend? What thickness makes sense, and at what point is it just a waste of money? (The garage will be heated).
Thank you!
M_Neubauer22 Mar 2019 06:20You are absolutely right, Olli. The unevenness must be leveled beforehand (using leveling compound or concrete filler). For cracks wider than 2 mm (about 0.08 inches), I would also recommend filling them first with a two-component epoxy resin and then sprinkling quartz sand on top. That’s how the contractor on site did it before laying the panels.
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