Plasterboard or ply on the back of a staircase?

kilo_4que · 18 Jul 2008

Hi guys, ive just fit a new staircase and realised that the back needs something to cover it as it is exposed. I was wondering whether to use thin ply or thin plasterboard

with plasterboard the paint finish will be spot on as the remainder of the premises are drylined. With ply im assuming you cant get a good enough paint finish or am i underestimating it.

What would you guys suggest

thanks

JohnD · 18 Jul 2008

plasterboard also gives fire protection. A wooden staircase can burn very fast which can be dangerous if you are upstairs when it happens.

I have an idea it used to be compulsory to line stairs with plasterboard for this reason, but it is not something I'm up to date with.

kilo_4que · 18 Jul 2008

John would the plasterboard not droop in the middle since it will be fixed from the sides only i.e. the plasterboard screwed into the staircase strings only?

These are the real reservasion i have regarding plasterboard otherwise id use it without a hitch,

furthermore, what thickness of plasterboard would be ideal for this job

JohnD · 18 Jul 2008

IIRC the fireproof p/b is two layers. You could poss use one and skim it.

I doubt it will sag much across the width of a staircase, but surely you could fix a central batten if this is a worry?

kilo_4que · 18 Jul 2008

I have though of a batten but cant think of how to fasten it tight horizontally

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Plasterboard or ply on the back of a staircase?

kilo_4que

JohnD

kilo_4que

JohnD

kilo_4que

DIYnot Local

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