Our hall carpet is looking really tatty now, but underneath is quite a nice
set of floorboards we (well SWMBO) to renovate. However as these are on the
ground floor you can feel the draft between them and I'm a tad worried that
we will lose a lot of heat through here (well cold air coming in) and that
they will feel very cold. I would expect NOT to plug the gaps as that would
impair the woods expansion/compression unless there is something that will
contract and expand with it? Advice please, or just a new carpet/laminate...
If you can get under the floor you can staple hardboard or thin ply to
them. If you can't, can you take say, every fourth or fifth board up and
work on them from there? Perhaps applying a foam to them?
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On Wed, 29 Oct 2003 14:44:20 -0000, "Matthew Augier \(dps\)"
We'll be doing our bathroom floor this weekend, and the plan is to
take the resulting sawdust, mix it into some watery PVA and brush it
into the gaps between the boards. Can't remember where the hell we saw
that tip in the first place though!
Should seal it up nicely. We hope.
Be very careful when you do that and test it with your chosen finish first.
You can end up with a very blotchy effect where the finish is not absorbed
by the wood where glue overspill has occurred.
email me at
richard at olifant d-ot co do-t uk
You need to apply your sawdust & pva paste and let it harden before
sanding - that way any overspill is sanded off and the filler is brought
down to level. Be aware that sawdust and pva make for a very hard lump - you
need to get it pretty smooth to avoid tearing the machine sanding sheets
On Fri, 31 Oct 2003 14:18:29 +0000 (UTC), "Andrew Mawson"
As it happens I've just finished with the edger and there aren't many
gaps at all, so we'll probably just leave them as they are. They'll
fill up with stuff over the years anyway :)
I had the usual problem of bowed boards to contend with too, which was
a bit of a bummer. I know I've said it before but THIS is the last
floor I'm doing!
If you can lift the boards, then insulate under with Jablite on
battens or put building paper over joists before re-laying
boards. If not, just fill between the boards with papier mache
(made with wallpaper paste + paper). Sand and stain/whatever.
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I've done this. Firstly, don't water down the PVA...this makes the
resulting paste very dark and it takes ages to dry. Secondly, you may
want to consider sanding, varnishing then filling the gaps to avoid
the glue stains etc etc. Or you can fill the gaps with clear silicone
sealant whick also looks OK, unless your face is 2" form the
floor....which if it is, the last of your worries is probably the
finish of your floorboards ;-)
I used a Dow Corning acrylic sealant ( natural wood colour ). It worked fine
and I believe is superior to sawdust and pva - the pva gave a
darker-than-natural look to the sawdust so it's not such a great colour
match, and it suffered slight shrinkage on drying. Sawdust and wallpaper
paste gave a perfect colour match but was brittle and also suffered
shrinkage. I'd go with the acrylic sealant every time. Had to visit a decent
builders' merchant to find it though.
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