Thanks for your reply Jaimie!
I have triple checked the adhesive and its good to use on Wooden substrates.
I have looked into No More Ply but the simple fact is I have no more money left. I got quoted circa £5K for the 2 bathrooms, and i only had £2k. I have spent it all on materials and I'm...
I have recently started refurbishing my 2 bathrooms and have came to tiling part of my plan.
In bathroom 1 I have screwed any loose floorboards to the joists so that there is minimal movement, and then I have put 2 layers of 9mm Ply Hardwood down with staggered joints and a layer of Wood Glue...