we just did one like that..tile with a cementious underlayment . we ground off the mortar with 70 metals. using my 20 inch Lavina. grind wet of coursefor filling cracks, it depends how wide the crack. you could chase the crack , but on historic jobs they dont allow that. if it is wide enough you fill with chips and color matched epoxy. for really thin cracks, we just fill the crack with the epoxy. One thing i like to do is fill the crack with rapid set mortar, then set the chips in the crack...otherwise the epoxy will lead through the crack and you willhave to refill the crack. Another technigue is to mix cavasil to thicken the terroxy epoxy to a peanut butter thickness. feel free to call me with questions if you like. 816 918 0135fill and grind the cracks before your last metal cut and it will all grind out even.
From: Tony Warney <tony@excelstoneandtilecare.com>
To: Stone and Tile PROS Technical Support <sccpartners@stoneandtilepros.com>
Sent: Sunday, September 30, 2012 7:16 PM
Subject: [sccpartners] Terrazzo with mortar
We are doing a bid on an 55 year old terrazzo floor. About 400 sf feet of the floor had marble installed over it. All the marble tiles were removed. There still is a considerable amount of white mortar to remove.What would be the best method to do this.Also what techniques are there for repairing cracks in terrazzo. Width is less then a 1/16 of an inch. Are there any videos available or training films for repairing terrazzo?Thaks--Tony WarneyExcel Stone and Tile Care