Hello!
We have recently bought a townhouse where the long walls are connected to our neighbors'.
I am now going to install a new kitchen on a wall that faces the neighbor and am planning to dismantle all the drywall and add a layer of plywood and a layer of drywall on top.
As the wall is currently constructed, there is double drywall without any plastic foil.
My questions:
1. Does the double drywall have anything to do with fire safety?
2. Shouldn't there be some sort of plastic foil against the neighbor?
3. If it has to do with fire safety, is there another type of board that can be used which can also be screwed into?
Grateful for any answers,
Nils-Gunnar Rapp
We have recently bought a townhouse where the long walls are connected to our neighbors'.
I am now going to install a new kitchen on a wall that faces the neighbor and am planning to dismantle all the drywall and add a layer of plywood and a layer of drywall on top.
As the wall is currently constructed, there is double drywall without any plastic foil.
My questions:
1. Does the double drywall have anything to do with fire safety?
2. Shouldn't there be some sort of plastic foil against the neighbor?
3. If it has to do with fire safety, is there another type of board that can be used which can also be screwed into?
Grateful for any answers,
Nils-Gunnar Rapp
1. Two functions. Partly fire-separating apartment wall and partly noise-reducing. So you should have two gypsums and you can put plyfa/plywood behind these.
2. No plastic in interior walls
3. The alternative is to put nogging between the studs where you will screw your cabinets
2. No plastic in interior walls
3. The alternative is to put nogging between the studs where you will screw your cabinets
Double plaster is due to fire safety, the same approach as if you have the garage wall-to-wall with the house. Do you really have to tear everything down? I would have put up a wooden mounting rail and attached it to the wall studs, then screwed the cabinets into this. Alternatively, use Ikea's metal mounting rail that you can choose as an option. I assume other kitchen suppliers use similar systems. This would save many man-hours and material costs, plus the wife will be happy when the kitchen is finished a little earlier 
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