It's called råspont!
 
Isn't raw planking a bit too coarse? Many cracks, knots, etc.
 
At my local hardware store, you pick the raw tongue and groove boards yourself, board by board. This allows you to pick fine specimens. If you don't want it so raw, you can always take the smoother backside and put it forward.
 
The beadboard is way too "fine". The boards should be completely flat and preferably also with tongue and groove at the ends.

I think more along the lines of this one:
http://www.byggmax.com/se-sv/Prod/PID-08414126.aspx

Even though the surface doesn't look as lively as I had hoped.
 
Yes, it might work! I have this on the ceiling of the bathroom. The surface is white-waxed.

The downside of råspont is that the boards need to be surface treated before they are put up, and according to what I believe, it is unsuitable to repaint as cracks will appear at the joints.
 
I have looked around a bit more at various images. Råspont doesn't seem so bad after all if you can get good quality. If you buy it from one of the big building supply stores - do you need to let the wood dry before you paint and put it up? I was planning to place the boards with a few mm spacing from the start, so I'm not too worried about gaps between the boards.
 
I would paint, let dry, and then place the boards for a few days in the space where they will be installed.
 
Totte_S
Do not leave any mm gaps, as you risk them coming loose in the tongue! Instead, let them stay inside as long as you can. I have several 100 m2 with raw tongue and groove and finely sawn panel inside, and the gaps become big enough.
 
Exactly, just nail the råsponten in place and then paint it. It will look great. Use the smooth side facing the room, otherwise it will be rough and dirt will stick easily. We have it like that in the countryside here and there, and it looks awesome.
 
We also have råspont on a few squares, and we have placed it with the rough side inward (downward). I only regret one thing, and that is that I didn't paint BEFORE putting it up. It's going to be very difficult to paint all the gaps afterward...
 
The Tor said:
Isn't raw tongue and groove a bit coarse? Lots of cracks, knots, etc.
If you look closely at the pictures in the thread that was linked to, there are a LOT of knots in the boards there.
 
Now, I don't know exactly what style you're after, but in our case, it's an asset that the råspont is knotty and rough on the surface. Of course, there shouldn't be knots that fall out over time or cracks that degrade the appearance, but the unplaned surface gives an older impression, and that's exactly what we were after.

Look for other options than the usual lumberyards where råspont tends to be very weak and of poorer quality. We got hold of 6 inches of top-quality from a "bonnasåg" here in the local area, but there are also sawmills that sell directly to customers.
 
22x120 standard facade panel that is white-stained, installed with about 3-5mm (or less) spacing and building felt underneath. The boards are painted once before, then they can be nailed up with a nail gun. If desired, they can be painted once more if one wants them to be whiter.
 
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