Hello, I live in a townhouse (Folkhem) from 2012 and have the drawings. I would like to find out if the interior walls consist of single or double drywall and/or some form of wood board. This is because I intend to install an Elfa shelving system in the living room that will bear quite a high load. Can anyone determine this from the images below? Grateful for any help
It's the wall against the bathroom (IV8v)
Here is the same wall from another part of the drawing. This one plus the exterior walls are marked in red. It is not specified in text on the drawing but maybe it indicates which walls are load-bearing?
Hello, there should be a drawing where the wall types' construction is specified and there you should search for IV8v. There may be a reference to this drawing on the far right of the drawing you've pasted images from. It might say something like "Wall assembly see drawing A-43-".
Whether the walls are load-bearing or not doesn't matter in practice. The surface layer (usually single gypsum, double gypsum, gypsum/OSB) is typically the same, unless it's load-bearing walls made of concrete.
It's best if you can attach the tracks, at least one or some of them, to the wall studs (horizontal or vertical depending on whether you have an Elfa top track or not). You can often find them by measuring (usually cc60) from a corner or tapping on the wall to hear where it's solid=stud. If you have an Elfa top track, you screw it directly into the horizontal stud that is always along the top of the wall, near the ceiling. There are also stud finders you can buy for a few hundred.
In practice, that doesn't matter either. Even in single gypsum, some drywall anchors (avoid molly plug) like “toggler” can easily handle all the weight that a fully loaded Elfa shelf entails. If it's double gypsum or gypsum/OSB, you can hang the whole family on a drywall anchor. If you don't have the top track, it's best to let the wall track rest on the floor/floor molding to minimize shear force.
Ps: Just drill a small hole in the wall where you plan to place the track to see how the wall is covered. The hole will be covered by the track later. If there's OSB under the gypsum, you'll see it in the drill shavings. If it's just gypsum dust and you're uncertain, you can take something like a paperclip, straighten it out, and bend one end into a small L, then insert the L into the hole and pull the paperclip out/towards you. The L will catch on the inner gypsum board, allowing you to see if it’s single/double gypsum.
Ok, didn't look too closely at the drawing. Anyway, it doesn't really matter in practice. Even if it's just single drywall, mounting Elfa rails with drywall togglers can support all the load that you can reasonably expose the shelf/wall to.
Ok, didn't look at the drawing that closely. Anyway, it doesn't really matter in practice. Even if it's just single plasterboard, mounting Elfa tracks with a plasterboard toggler can handle all the load you can reasonably put on the shelf/wall.
Often, but it's always nice to be able to use the studs and use regular screws.
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