Choose a corner of a room and spread a waterproof drop cloth to protect the floor while you strip the walls of plaster or drywall and install
exterior grade plywood to the studs.
Bob Draper, by email AI WOULD use some 18mm-thick Amarinegrade plywood or
exterior grade plywood. Apply a primer coat, an undercoat and finally a topcoat of exterior paint.
Bob Draper, by email I would use some 18mm-thick Amarine-grade plywood or
exterior grade plywood.
Use 18mm thick marine grade plywood or
exterior grade plywood, which is cheaper.
For larger square pots, make a sturdy mould using
exterior grade plywood or even cardboard boxes if you're happy with a rustic look.
4x2ft sheets of
exterior grade plywood cost around pounds 5 from Wickes.
A MAKE up a backing board for the tiles from a piece of plasterboard or
exterior grade plywood, cut to the size of the inspection hatch.
Exterior grade plywood costs around pounds 20 for 8x2ft sheet and 8ft decking boards pounds 4.97 from B&Q (0845 850 0175).
If it's floorboards, then the movement of the wood will cause the tile adhesive to crack, so you must lay 12mm
exterior grade plywood on top.
An 8x4ft sheet of
exterior grade plywood costs from pounds 9.48.