Hello

I have some questions regarding gypsum.

1) Is it standard today to nail the gypsum outside and screw them inside?

2) If one wants a bit of style wall inside, what should be placed behind the interior gypsum? Raw wood, chipboard, or perhaps k-plyfa... or what do you think?

3) Do you need to seal the joints on the exterior gypsum? There will be cladding on the outside later... but I live in an exposed area.... when it rains where I live, it rains horizontally... like a high-pressure washer... so it could penetrate into the insulation (....but not through the vapor barrier on the inside...)
 
1. I guess that most people also screw the gypsum board outside.

2. ?

3. The sealing joints are meant to prevent air from blowing through the insulation and have very little to do with water tightness. If it rains so heavily that it frequently rains through the current facade, perhaps the facade should be constructed differently? The facade must withstand any rain, gypsum board can't withstand water in the long run.
 
Question 1:

Sometimes I also nail gypsum board outside today, these don't need to be as solid as a rock. But it goes significantly faster with an automatic screwdriver than fiddling with drywall nails/gypsum nails. Especially if it's minus 10 degrees outside and you're wearing lined gloves...
An automatic screwdriver is something a DIYer usually doesn't have in their own tool arsenal.

Question 2:

What do you mean? Cross beam because you want to mount things on the wall? In that case, construction plywood works well. Heavier items? Use plank or beam...
Or maybe you mean something completely different?

/Daniel
 
N
Have spoken to a carpenter and he usually nails the drywall with a staple gun. He has had his gun tested and approved for nailing ceiling drywall.
 
kotte said:
...Chipboard and plywood also work but they have unpleasant emissions from the glue that should be avoided
This does not apply if you buy these of better quality, e.g., ByggElit. If you buy the cheapest option, you get both poor strength and stuff that evaporates.
 
Hello

1) So, OK to nail exterior gypsum...

2) Planning to place rough edge planks behind interior gypsum or good plywood... partly to stabilize the wall... I have a very tall wooden house... and so that I can hang shelves on the inside... gypsum is so-so...

3) I meant that some joints won't be directly on studs (exterior gypsum), and then you can see into the gap...

Should these be sealed from the outside then?... Before exterior gypsum, you apply insulation that preferably shouldn’t get damp. I hope the siding will catch most of the rain... But where I live, it rains horizontally sometimes with 25m/s winds... which means water penetrates everywhere if you’re not careful.
 
Bob_the_builder
If the external plasterboard is not joined at the stud, it's preferable to use H-profiles in plastic as joint support.
 
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