[Shop-talk] CSP 3 (ICRI) (moderately not OT)

[Tim]

Would a concrete etching acid do enough for this to work?

Tim



On Sat, Apr 23, 2011 at 10:09 PM, Scott Hall wrote:

> After more searching, I found that Maipei's website says:
>
> "Concrete surfaces must be mechanically profiled and
> prepared by shotblasting, sandblasting, water-jetting,
> scarifying, diamond-grinding or other engineeredapproved
> methods (reference ICRI CSP 3 standards for
> acceptable profile height)."
>
> Which I really can't do--it's a 5' by 5' space in an occupied house--I 
> can't do anything that's going to generate that much dust, to say 
> nothing of removing the shot or sand, or dragging a sandblaster over 
> my wife's carpet.
>
> Ugh.  This has all the makings of going bad fast.
>
> On 4/18/2011 10:28 PM, David Scheidt wrote:
>
> 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 know
> grinding typically results in CSP 2, but I don't know what the others
> look like.
>
> Can you ask your supplier or manufacturer about it?
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