adding dry grout mix to wet caulk for faux calk?

[GHutchins]

Saw on a DIY TV show a trick where they folded a piece of paper to hold dry grout powder and dusted the surface of wet caulk with the dry grout mix, then set it into the surface slightly with their finger to make the calked edge match the grout.

This was on a floor where they didn't have colored calk to match the grout. I am considering the same technique at the base and corner where a slate backsplash (whole wall under cabinet) meets the black granite counter top and expansion joint. I plan to give the powdered grout coated calk a got of polyurethane to protect it and make it match the grout sealed with color enhancer (low gloss)

Question:
Any one ever try this technique before? Did it work for you? Do you think the coat of poly will protect the powder on the caulk enough to stand up to cleaning the counter top?

Thanks,

Grant

[GHutchins]

"I plan to give the powdered grout coated calk a got of polyurethane"

got was supposed to be "coat"

[JTG]

Grant
NO and NO
Why not get a matching caulk? Many distributers have caulk that matches the grout colors they carry in sanded and unsanded.
Masterwholesale.com has colors to match all of the Hydroment colors and
OTM has all of the Custom colors.
http://www.oregon-tile.com/
Good luck
JTG

[GHutchins]

My HD doesn't have the matching color caulk for the grout I bought there (sanded natural gray), but I'm sure I can order it from somewhere on line.

I was considering this because I thought after sealing real grout and using colored caulk that the color might be off, but I was more concerned with the difference in texture. This technique was touted on the DIY show as yielding results that were indistinguishable between the "treated" caulk and real grout, but never having seen it before I wasn't sure if it was legit, or if it would end up looking like crap.

g.

[GHutchins]

"in sanded and unsanded" — didn't notice that part of your post until I read it again.

I didn't know there was such thing as sanded caulk, or caulk that simulated the sanded look. That's great. I'll see about ordering on line.

[jdm]

Here's an online supplier of sanded and unsanded siliconized latex caulk colored to match all of the major grout manufacturer's colors.