You used to be able to get Upvc clip over bits for the bottom of chipboard
units and even spacers made of it for just this scenario. Should not the
fitters have twigged the problems and at least made sure the damp does not
get into brand new units?

Brian

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On Friday, 6 September 2019 21:45:02 UTC+1, Vir Campestris wrote:
So we warned them that our house is 300 years old, and every other bit
of work we've done has showed damp.

They stripped out the old kitchen, waved a damp meter at the floor, and
fitted the new one.

Then the floor fitter turns up. Looks damp he says, and sets up a test.
He's also unhappy about what I hadn't looked at properly and thought was
a bit of the old floor. It's another layer of vinyl, with a screed on
top of it.

Proper damp test says it's damp. Test was done under the cupboards, not
on the exposed floor.

They are now proposing that they'll chip out the old screed, put a damp
proof membrane _on_ _the _ _part_ _of_ _the_ _floor_ _which_ _isn't_
_under_ _the_ _cupboards_, and fit the new floor.

They keep suggesting that we'll carry at least some of the risk of
damage to the kitchen.

We're also not at all happy about the damp being left under the
cupboards. Especially the bits where there is wood touching the damp
floor.

What does the team think? Do we need a membrane all the way across?

Andy

If it's 300 years old, dpm-ing the floor will increase the damp in the
walls, as the underfloor will no longer evaporate damp. A dehumidifier
might be a better option, at a suitable setting.

Would I put laminated chipboard kitchen units on a damp floor? Nope.


NT