We have had an electrician who has carved out lines in the walls and run electrical cables for new outlets in the apartment. Now we need to fill in the holes before the electrician completes the work. To save some money, we are thinking of filling in the holes ourselves instead of hiring a carpenter. The question is, what material/filler works best for filling these holes? We have 2 different types of walls, brick walls with plaster on the outside and the other type is as shown in the picture below, some type of thicker layer of plaster on the outside and wooden planks on the inside.
Wonderful! Does it work for filling both the brick piece and the wood piece + 1 wall that is concrete, or do I need different types of materials? Do you have any tips for a good plaster? Also, anything to consider before/when I apply it? (never done this before)
I would also have used gipsputs, easy to work with, dries quickly and is sandable, but don't apply too much so you end up sanding excessively. It's not as easy to sand as handspackel. I usually buy rotband (the brand) at bauhaus, I think they charge a hundred for a 25kg bag.
Gypsum plaster, just like the other says, but be careful not to fill out too much, it can't be sanded!
You can apply putty on the gypsum plaster afterward to make it really smooth.
Thanks for all the info!
Is there anything else to consider? I'm thinking that some holes are quite deep, should I apply "thin" layers and let them dry before adding more, or can I just fill in deep holes directly? Does the plaster expand when drying?
Up to 8 cm is no problem with plaster. If you need a smoother surface, wait 30-40 minutes (depending on thickness), spray on water with e.g. a spray bottle and use a smooth trowel, e.g. a mason's trowel, to make it smooth and nice.
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