Hello to all, I'm renovating an older cottage and keeping the traditional style.
I'm looking to line the ceiling in plywood rather than plaster and welcome feedback re fitting standard 2400x 1200 mm ply sheets. Thankfully, battens (approx 300m centres) have already been installed over 450 centred rafters.

I will have to strengthen the battens I suspect but need advice on whether to fit 6mm, 9mm or plus ply. I was going to fit 9mm and fit cover strapping over joints. I would welcome knowledge re fixing. Nail or screw and what size? Does anyone have advice about glues? was going to simply use a construction adhesive between nails or screws. I don't want to have the ceiling riddled with fixture marks but also need to feel secure. Naturally I will have to fix through battens to rafters when possible. Battens (pine?) appear to be 50mm x 25 thick but only lightly fixed as previously covered in caneite. Thank you everyone, would welcome any feedback or experience. rooms sizes vary but generally 4 sheets per room.
John


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