For the life of me I cant remember when I done the shower room.
Now doing the main bathroom.
Putting down a resin shower tray and on to wooden floor boards (not
chipboard), do I overboard the wooden floorboards with ply first or just
lay the mortar bed on the floorboards?
Also if you don't have a ply top then you quite often find you will end
up with a compromised floorboard when you need to cut the access hole
for the shower trap - that would then leave a large strip of the tray
not properly supported.
Last one I did had 22mm floorboards, and I did a 19mm ply layer on top.
Screwed down on a 6" grid. Made for a very solid feeling base - you
could immediately feel the difference when you walked on the floor
before the tray went in.
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