Plasterboard and stringer

MidsTW · 5 May 2020

I’m about to start decorating the wall to the left of our stairs. It’s a 2 year old house so most of the drying/settling is finished, and as expected there is some cracking between the plasterboard and the stringer. I wouldn’t normally hesitate to fill and sand, however it appear that there is quite a bit of movement/flex in the boards between the studwork, see below.

My images taken during the build show that their should be studwork running just above the stringer so not sure why there is so much movement. Shall I try and run a plasterboard screw in and see if it grabs?

Any suggestions on the filling media if I am going to paper over this?

foxhole · 7 May 2020

Just caulk it.
https://bsfixings.uk/ultimate-max-f...KxIel6M3KowXNml7jsmWYNy7upAGAkBxoCi5kQAvD_BwE

MidsTW · 7 May 2020

Ahhh I already cut some of the loose stuff out, thought best if I’m spending £50 wallpapering over it. Got some caulk but might need to put some filler on the big bits first.
There is quite a bit of movement though as the plasterboard isn’t really supported other than on the vertical studs...

cdbe · 7 May 2020

Pin a quadrant to the stringer.

MidsTW · 7 May 2020

cdbe said:
Pin a quadrant to the stringer.

That was going to be my last resort after I wallpapered...

foxhole · 7 May 2020

The wonders of new-builds, I think they must ration the nails .

MidsTW · 7 May 2020

There is nothing behind the board above the stringer. Looks like there should have been from the pic.... but it must be in the right place.

Mr Gear · 8 May 2020

Our house has always suffered from similar cracking on the stairs. Last time we decorated the area 2 years ago I followed advice (thought it was from this forum) to slightly widen the crack, then (carefully!) fill with expanding foam. When set, cut back and fill/caulk level as usual. It’s certainly done the trick for us and it’s still crack free. Our house was built in the 50s and the crack was always on the solid outside wall so not sure if the same technique can be employed in your case but repeating the info I found may be useful for some?

MidsTW · 8 May 2020

Yeah sure!
I didn’t want to use expanding foam yet, some of the cracking would be too narrow and I didn’t want to open it up too much. I’m going to paper this wall on Sunday and see how it holds up. Worse case I have to put a quadrant over it.

MidsTW · 8 May 2020

I’m making the assumption that the wallpaper will adhere to the caulking?

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Plasterboard and stringer

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