Hi.

I am about to lay tiles under a wood-burning stove. It currently stands on a layer of flooring chipboard and then directly on the joists. Unfortunately, I don't know how close together the joists are, the house is an Älvsbyhus from '93, single-story. The wood-burning stove is positioned directly over a joist. The total area to be tiled is about 1.2 m2, approximately 100x120cm.

What do you think would be best?

- Self-leveling compound, how thick should it be? Reinforcement?

- Fully glue a floor gypsum board with Ardex S48 and then lay tiles, the gypsum board unfortunately has to be joined as it's only 60cm wide, could this be a problem?

Grateful for tips and advice :)
 
What does the wood-burning stove weigh?

Often the floor structure needs to be reinforced to handle the load of a wood-burning stove.
 
I'm not an expert on this, but I imagine it's not so critical under a stove. You rarely stand and jump right next to the stove. The times I've placed tiles under stoves, I just laid them on top of existing wooden or parquet floors. If you have chipboard flooring, the situation is probably better, and if you add a reinforcing layer in between, it will be even better. Ideally, you don't want to build too much height so that it becomes a step up to the stove.

Erik
 
We also have an Älvsbyhus and have a wood stove. It is not placed directly on a beam because we have pipes underneath for fresh air intake to the stove which comes in the middle of the stove.
Could gather the whole family and jump around it without it bending. Our stove is a Contura of the 500 model. Admittedly, we don't have tiles underneath; it stands on a sheet metal directly on the parquet floor.
So lay your tiles and put the stove back.
You could use a grout that is a little flexible, so they probably won't crack.
 
I have a pellet stove and have laid tiles directly on the chipboard. Nothing has happened with it in five years.
 
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