Discuss Quarry floor, no damp course. in the Canada Tile Advice area at TilersForums.com.

O

Old Mod

200 mts is too big an area to get wrong!
These jobs are great when straightforward but not for a one man band.
IMO let the bigger boys take the risk.
:) 200 yr old house not meter floor mate.
Andy wouldn't take a floor on that big haha
Least don't think he would anyway.
 

Andy Allen

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1,318
Gloucester
:) 200 yr old house not meter floor mate.
Andy wouldn't take a floor on that big haha
Least don't think he would anyway.
Your right there.....50m2 is my limit nowadays !.......the floor is 26m2......just about manageable...:)
 

Ajax123

TF
Esteemed
Arms
932
1,213
Lincolnshire
Liquid DPMs are for suppression of residual moisture only not for rising damp as you will have in this issue. I would have thought Ditra or similar would be more appropriate as this allows the moisture to move around and migrate. I would have a conversation with Schluter. Under the quarries will be a weak lime screed mix that will fall to bits if you take up the quarries. that way lies trouble... been there done that
 
O

Old Mod

Liquid DPMs are for suppression of residual moisture only not for rising damp as you will have in this issue. I would have thought Ditra or similar would be more appropriate as this allows the moisture to move around and migrate. I would have a conversation with Schluter. Under the quarries will be a weak lime screed mix that will fall to bits if you take up the quarries. that way lies trouble... been there done that
Ahh!
Sorry Alan should of remembered you'd know!
Sounds like a safer route all round.
 

Andrew

TF
6
413
surrey
i would not apply a liquid DPM over these quarries, if the property is 200 years old a breathable system is a must, creatimg a moisture barrier will just force moisture into surrounding walls and cause all sorts of problems!
I did a project recently were we chose a porous limestone and fixed it with a French lime mortar product called hourdex and silver sand straight over the quarries, this maintained a moisture permeable floor problem solved!
Talk them out of porcelain and let the floor breathe as it has done happily for it's lifetime.
 

Ken Bruty

TF
Arms
21
1,023
Bedford
A while ago I had a similar thing with quarries and they wanted to go over the top with more quarries in a different size, I was recommended by Weber to use a good acrylic primer e.g. pr360 and to just use the standard grey weber set as it's breathable, but definitely not a flexi if that helps anyone for the future :)
 

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Quarry floor, no damp course.
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