A decent thickness exterior ply, it will be a lot cheaper then marineive acquired some cheapish garage racking that is in good nico except the MDF shelves are saggy and mouldy.
Rather than replace this with more MDF what would be a better cost effective solution for use in a damp garage? Marine ply?
Phenolic ply is the bees knees but expensive. There were some offcuts for sale on ebay the other day
(Not sure how the tree house got in there...)
(Not sure how the tree house got in there...)
I've found chipboard sags/breaks up if used in outbuildings, garages etc. decent thickness plywood for me.