Crosswords2 mins ago
Roof Space Interior Spray
2 Answers
Our loft is a mess, the cement that holds the 1930's tiles in place is very dusty and drops over any thing stored up there. I'm told you can buy a glue type spray that seals it and stops it dropping. Does anyone know where I can purchase the stuff or who makes it ?
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I guess you have slates rather than tiles Koiman?
No matter though. It's an old, outmoded technique known as "back-pointing".
Any Builders' Merchants or DIY store will sell large aerosol cans of polyurethane foam. Simple job to spray over the pointing. Rather a tedious, time-consuming job though.
A little easier... would be to knock up a mix of PVA adhesive diluted with water........ approx 1 PVA to 5 water.
This mix is a little too viscous to spray with a conventional garden/preservative type spray. You may get away with it, but there'll be a lot of clogging in the nozzle.
It would be well worth renting an airless spray from a hire centre. The sort of thing that sprays paint would do it.
Spray onto the pointing, and it'll re-solidify the bulk of the mortar and its surface dust.
No matter though. It's an old, outmoded technique known as "back-pointing".
Any Builders' Merchants or DIY store will sell large aerosol cans of polyurethane foam. Simple job to spray over the pointing. Rather a tedious, time-consuming job though.
A little easier... would be to knock up a mix of PVA adhesive diluted with water........ approx 1 PVA to 5 water.
This mix is a little too viscous to spray with a conventional garden/preservative type spray. You may get away with it, but there'll be a lot of clogging in the nozzle.
It would be well worth renting an airless spray from a hire centre. The sort of thing that sprays paint would do it.
Spray onto the pointing, and it'll re-solidify the bulk of the mortar and its surface dust.
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