Author: Scott Hall <scott.hall.personal@gmail.com>
Date: Sun, 17 Apr 2011 22:35:56 -0400
About to tile the bathroom. House is on a slab. Existing slab is not level. I've purchased self-leveler that requires the slab be prepared to CSP 3 (ICRI). Googling turns up a lot of instructions for
ICRI is Int'l Concrete Repair Institute (www.icri.org). I found this page with photos, that calls CSP 3 a "light shotblast" http://www.shotblastinc.com/shotblasting_guidelines.shtml Todd Seattle,WA '
it garage ICRI is the "international concrete repair institute", a trade group. They've got standards on surface roughness ("concrete surface profile"). Higher the number the rougher the surface. I k
This document might give you some insight. The idea is to remove anything that would prevent bond with the concrete, and roughen the concrete slightly. There are many things that can happen to concre
Author: Scott Hall <scott.hall.personal@gmail.com>
Date: Sat, 23 Apr 2011 23:09:08 -0400
"Concrete surfaces must be mechanically profiled and prepared by shotblasting, sandblasting, water-jetting, scarifying, diamond-grinding or other engineeredapproved methods (reference ICRI CSP 3 stan
Scott, Dunno if I'm missreading this but buried in http://tinyurl.com/42tbr6r**is a section**on subfloor preparation. In "Powerfloated concrete/non-porous surfaces" it refers to use of a primer befor
Sorry about that, post picked up some unintended formatting. Try http://tinyurl.com/42tbr6r* *Nick* * _______________________________________________ Shop-talk@autox.team.net Donate: http://www.team.
What about etching with something like muriatic (hydrochloric) acid to give the surface some tooth ? Phosphoric is also used for etching and cleaning concrete. With that and a binder, as Nick suggest
Would a concrete etching acid do enough for this to work? Tim _______________________________________________ Shop-talk@autox.team.net Donate: http://www.team.net/donate.html Suggested annual donatio
can't MAPEI make a number of primers for their self-levelers. I suspect that at least one of them is for solving just your problem. Call the technical information line up and ask. I suspect that "Pri
The problem with Muriatic Acid is that of off gasses and has the potential to cause any steel objects in the area to start rusting. If you use Muriatic, use PPE, seal the area and ventilate extremely
Agreed. Definitely call MAPEI, explain the situation and ask their techs for advice. I'm sure they'd much rather you pick the correct product and get good results (which leads to good word-of-mouth a
Author: scott.hall.personal at gmail.com (Scott Hall)
Date: Sun, 17 Apr 2011 22:35:56 -0400
About to tile the bathroom. House is on a slab. Existing slab is not level. I've purchased self-leveler that requires the slab be prepared to CSP 3 (ICRI). Googling turns up a lot of instructions for
ICRI is Int'l Concrete Repair Institute (www.icri.org). I found this page with photos, that calls CSP 3 a "light shotblast" http://www.shotblastinc.com/shotblasting_guidelines.shtml Todd Seattle,WA '
it garage ICRI is the "international concrete repair institute", a trade group. They've got standards on surface roughness ("concrete surface profile"). Higher the number the rougher the surface. I k
This document might give you some insight. The idea is to remove anything that would prevent bond with the concrete, and roughen the concrete slightly. There are many things that can happen to concre
Author: scott.hall.personal at gmail.com (Scott Hall)
Date: Sat, 23 Apr 2011 23:09:08 -0400
"Concrete surfaces must be mechanically profiled and prepared by shotblasting, sandblasting, water-jetting, scarifying, diamond-grinding or other engineeredapproved methods (reference ICRI CSP 3 stan
Scott, Dunno if I'm missreading this but buried in http://tinyurl.com/42tbr6r**is a section**on subfloor preparation. In "Powerfloated concrete/non-porous surfaces" it refers to use of a primer befor
What about etching with something like muriatic (hydrochloric) acid to give the surface some tooth ? Phosphoric is also used for etching and cleaning concrete. With that and a binder, as Nick suggest