"Dave Liquorice" wrote in message
ll.co.uk...
On Sat, 13 Aug 2011 16:46:16 +0100, BigWallop wrote:

and are not tight enough in place to prevent the bouncing like a
trampoline.

You are trying to fix something that is brittle and inflexable onto
something that is flexing, recipe for disaster. The floor needs to be
made firm donno of the board mentioned by another will do that or if
it is only intended to make a smooth flat surface...

Cheers
Dave.


I had a look at the boards that Harry spoke about, and although they look
like a great idea and will probably be used under the tiles, I think that
they might be alright on an already firm floor. As you say, I'm more
worried about the joists flexing in the middle when the kitchen/dining
furniture is put back in place and people are walking across the floor.

These old joists are still sound, but they do move a bit when the weight is
on them. I know the area being tiled is small (1.5m X 4m) in comparison to
the whole floor area (7m X 5m in total), and that the tiles are to one
supported end of the joists, but I'm still worried that the original
noggins, almost certainly positioned just in the center of the 7m span, will
be enough to stop the floor sagging and popping the tiles off. Especially
the tiles along the edge.

I wonder if I should just suck it and see, and prepare for the worst from
the right off.

Now............Does anyone know of a good timber merchant in the Edinburgh
area? :-)




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