Granite Porous?

Renovations have been carried out on an old building next to my work, all the pointing has been re-done but water is still seeping through. The walls are granite, not sure how thick but at least a foot I would imagine. The builders are saying that granite is porous and that's where the water is getting in, sounds unlikely to me but I'm sure someone here has an expert opinion.

Reply to
Scabbydug
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I believe it is, so is often sealed on the likes of worktops etc. Not sure it's porous enough to 'leak' in that sense though?

All the best ..

T i m

Reply to
T i m

Ask the folk who built most of Aberdeen ..They should know...the place is built with it .

Reply to
Stuart B

Well, they don't bother with sissy southern things like DPCs...

Reply to
Dave Plowman (News)

.................. and it's always pissing with rain.

Reply to
mike

That's because in Aberdeen rising damp is the least of your worries. It's the horizontal damp that matters.

Owain

Reply to
Owain

Not always.

It snows sometimes.

Owain

Reply to
Owain

Indeed. Though not much this winter. ( Last March we had an excellent snowfall... Here's a few photos around my house from then... )

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Alps have had a bad season this year too.

Fortunately, we're off to Breckenridge in 2 weeks time :-)

Perhaps I'll have the aerial installed by then...

Reply to
Ron Lowe

Hi Tim

most stone will be porous to some degree , Bath stone will more so than granite , rain water will hardly penertrate good face stone and when it stops raining it will release it back out quite quickly , allowing a building to breath some would say. It will be different if the stone has deteriorated or if there has been a leak on it for a prolonged period. This would show as crumbly stone and on the inside efforescence or blown plaster.

Pablo

Reply to
pablomartin

In article , Ron Lowe writes

Nice one, many years since I was there, with fond memories of hiking to the top of Peak 7 to do the bowls and of sampling the huge burritos at the Bergenhof restaurant on Peak 8, highly recommended if they still do them. Easy transport to the surrounding linked resorts if you fancy a change of scenery too, enjoy.

Reply to
fred

Well, I'd never have guessed it but it seems it is porous to some degree:

from: Q. Isn't granite porous? What about sealers?

A. Granite is the next hardest material to a diamond. There are some granites that are more porous than others however, all of our granite countertops are sealed during the fabrication process and again upon installation. The rule of thumb is that when the water no longer beads up, it's time to re-seal. For some folks that's two years, for some it's 4-5. It depends upon usage.

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But I'm sure it's not porous to the extent of "water seeping".

Reply to
Martin

Nope - that would be Sapphire.

Reply to
Simon Mason
2007, that seems a long time ago, funny how these old posts seem to surface again. I blame the aliens. Brian
Reply to
Brian Gaff

Well done, nothing like a timely correction, and that was nothing like a timely correction.

Tim

Reply to
Tim+

Given its both late and wrong, one would have to agree.

Reply to
John Rumm

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