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Loft Conversion

Laying 18mm T&G chipboard loft panels over existing chipboard?

Anonymous user 12/03/2024 - 2.30 PM

Hi, I've just paid a structural engineer to inspect the loft in our 1920s-built house with a view to me building a model railway layout up there. His report states that he has 'no reservations about this being achievable since the loading of such a layout would be relatively modest, provided the number of people allowed up into the attic is restricted to two or three adults and care is taken not to jump about or otherwise impact loading on the attic floor.' There is a long central area of chipboard floor panelling up there already but parts have been installed poorly as some ends do not meet with the joists. My question is, would it be okay to lay a new section of staggered T&G 18mm chipboard panelling on top of this existing floor just to solidify it and avoid putting a foot through the weak areas. The current panels are nailed down and I fear it will be a messy business to rip them up just to secure a few trouble spots a bit better. Many thanks, Gary

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4 Answers

WP

Rating: 4.7 out of 5
Maidenhead
it will make it stronger but more heavy at the same time so i would recommend to do it propperly [lift the boards check the floor joist min 400 beetwen ten fix some noggings where possible use proper wood screw 150-200 spaces beetwen optionaly some pva as adhesive in t and g groves..,
Answered12 February 2024
5

M T Building Services Ltd

Rating: 4.8 out of 5
Margate
If feel this is a good idea as any extra chipboard will help Run the boards the other way and done joint over the existing joint Try and do your cuts over existing joists Screw the boards down don’t nail them I hope this helps
Answered13 February 2024
1

Ivan Stefanov

Rating: 5 out of 5
Walton On Thames
Yes you can
Answered13 February 2024
1

Academy building works Ltd

No reviews yet

Hounslow
Lift the existing boards dubble up all joist bolt it to gather put noggins and use 28 mm tand g floor bord and job is done
Answered15 February 2024
0