Drilling in load bearing wall to support climbing board

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Hi,

I wish to install the climbing training board (pictured below) on an internal load-bearing wall, above a door to our sitting room (also pictured below). 4 screw holes in the board to mount it. I’m thinking of first bolting a piece of wood to the wall of circa 18mm thickness and then the board onto it, to get more clearance from the architraves for my wrists. Board dimensions:
width: 48.5 cm
height: 21 cm
thickness:6.5 cm

What are these internal walls typically made of? What sort of lintel? The house was built circa 1982 and the total thickness of the wall is about 130mm with plaster.
Will this compromise the structural integrity of the wall?
What screws/bolts and plugs would you recommend?
Any other tips?

Thanks!
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You still want to fix the climbing board into the masonary, even if you space it off with the 18mm sheet.
What fixings does it come with/what instructions for fixing to solid walls? It basically needs to take your weight, which should be fairly easily achievable.
No it won’t compromise the existing structure.
 
L

Leofric

What are these internal walls typically made of? What sort of lintel?
If loadbearing presumably a type of blockwork but how does anybody on here know what type or the lintel used in your house:?::!: (they don't )
Fixings need to suit the loadings and structure you are fixing into (obviously )
 
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The area above the door is potentially weak, especially if there are no floor joists bearing down on it. There could also be a metal lintel occupying the area immediately above the door casing.
 
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You’ve had some relevant info, but none of us have x ray vision to know what kind of lintel you’re trying to fix to. If you can somehow find that out, with a bit of screwdriver poking in an area that’ll eventually be covered by the board, then you might get some more specific advice.

If you google concrete lintel and box lintel, those are 2 possible candidates of what might be behind the plaster. But the fixing method will be totally different for each.
 
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Tomorrow I will receive the board and will consider drilling a 6mm “exploratory” hole where one of the plugs would go. In the meantime, below is a pic of the door to our detached garage. There is no lintel above the door (I had a really good look). The wall is single skin and there are a further 10ish courses of bricks above the door. Is there any chance at all that the door opening to my sitting room (pictured in my OP) was built to the same standard, with no lintel?!?

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