Ceramic Tile Advice Forums - John Bridge Ceramic Tile

Welcome to John Bridge / Tile Your World, the friendliest DIY Forum on the Internet


Advertiser Directory
JohnBridge.com Home
Buy John Bridge's Books

Go Back   Ceramic Tile Advice Forums - John Bridge Ceramic Tile > Tile & Stone Forums > Tile Forum/Advice Board

Sponsors


Reply
Thread Tools Search this Thread
Unread 02-27-2006, 08:21 PM   #1
CAlandscaper
Registered User
 
Join Date: Feb 2006
Posts: 3
Installing Limestone Tile on Exterior Concrete

I work for a landscaper in Southern California and we have started a job with limestone tile. Originally the material was going to be thin set directly to the concrete slab, but now it is going to be laid on a mortar bed over the slab. We are planning on laying a cured bonded mortar bed and then applying a premium thin set after the material has dried. My questions are, for exterior work what is the best type of mortar bed to use- standard deck mud(is there a special mix for exterior?), a regular mortar mix, or some other alternative? We plan to cut soft joints in the mortar bed every 12' but how do you transition this through the tile (with a caulk or something else)? We do a lot of flagstone work but not a lot of tile, any assistance would be appreciated.
CAlandscaper is offline   Reply With Quote
Sponsored Links
Unread 02-27-2006, 08:31 PM   #2
Davestone
Florida Tile & Stone Man
 
Join Date: Apr 2004
Location: Naples Fl.
Posts: 22,690
A polyurethane caulk is probably your best bet,but there are others.are you going to use a membrane over the existing slab?If there are any cracks, or the slab is new, it would be a good idea.Also, if the mudbed is going to be thicker, for some reason, say 2" you'll need wire reinforcement.I use a 4to1 portland and coarse sand,or bonsals,floor mud premix, myself,i like it cause it's got large sand in it, and becomes very strong...you'll want to stick with portland,and not masonry.
__________________
Dave



http://Davestonestile.com
Davestone is offline   Reply With Quote
Unread 02-27-2006, 10:19 PM   #3
CAlandscaper
Registered User
 
Join Date: Feb 2006
Posts: 3
We hadn't planned on using a membrane, just bonding the cured bed over the slab, which is new. The tile would then transmit any cracks I am guessing, as opposed to floating above a membrane? Any suggestions as to membrane type? Thanks!
CAlandscaper is offline   Reply With Quote
Unread 02-28-2006, 09:48 AM   #4
CAlandscaper
Registered User
 
Join Date: Feb 2006
Posts: 3
One other point of clairification, is a membrane necesary with 3/4" Limestone. We set flagstone over concrete with a mortar bed (not thin set afterwards, just directly in the bed) with no membrane without a problem. Obviously we would do the same installation type here if not for the fact that the limestone is thin and would not hold without the thinset.
CAlandscaper is offline   Reply With Quote
Reply

Stonetooling.com   Tile-Assn.com   National Gypsum Permabase


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 08:40 AM.


Sponsors

Powered by vBulletin® Version 3.7.4
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.
Copyright 2018 John Bridge & Associates, LLC