Install 18mm ply between joists

[Dumbo]

No but would prefer not to use someone like b and w , wickes floors to go etc try a local builders merchant I got mine from a local saw mill they didn't make it they just got it in .

 

[Davido]

No but would prefer not to use someone like b and w , wickes floors to go etc try a local builders merchant I got mine from a local saw mill they didn't make it they just got it in .

That's great. many thanks. I will have a word with a builders merchant.