bowling ball grout cracks?

anneinva_2009August 8, 2011

i made a bowling ball last year. this is the second summer it has been outside. It wintered in the garage. I noticed some small cracks in the grout. I wonder why this has happened. I sealed it once. But perhaps I should have put more coats on it. I used sanded grout. any thoughts?

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wackyweeder

Some bowling balls are made of a material that expands and contracts in the weather, no matter what you do to it. Others have no problem at all. You can re-grout it-just do another coat of grout, but Im not sure how sealer will affect that process.
unless you make your BB from styrofoam covered with mortar,they are best treated as temporary objects, to last a few years, because of the uncertainty with them. some ppl have great luck, others not.

    Bookmark   August 9, 2011 at 7:19AM
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concretenprimroses

anneinva,
I apologize for going on a tangent since I don't have anything to add to what wacky said- for our future projects:
I wonder if there is a way to tell what kind of bb you have? A test to do over a winter for example. I'm also thinking that perhaps just ge ii silicone holding stuff and no grout (which many of the junkers do) might last through slight expansions.
Kathy

    Bookmark   August 10, 2011 at 9:23AM
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wackyweeder

I THINK altho I am not certain the older balls are the better ones-the newer ones are more plasticky and expand. You would be better off to simply buy a styrofoam ball and thinset it then mosaic. and I am of the mind that ge11 is best since it flexes and isnt rigid. and also-a bonus-If you use styrofom for ball-it will float when you are done!

    Bookmark   August 10, 2011 at 3:46PM
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concretenprimroses

NO really! A floating mosaic ball. That would be a wonder.

I have 3 candlepin bowling balls that I got at a yard sale. I was thinking of mosaicing them, but maybe I'll just use silicone and glue pennies or some such to them.

Kathy

    Bookmark   August 11, 2011 at 8:49AM
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wackyweeder

I tried to find some pics-people have posted on FB after they did them, but I cant remember who posted. But yes, they will float. and the silicone and pennies idea is great.

    Bookmark   August 13, 2011 at 9:04AM
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wackyweeder

I found one!

Here is a link that might be useful: floating mosaic sphere

    Bookmark   August 14, 2011 at 10:06PM
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artglass

Some time ago I read there was a gloss grout sealer at Home Depot. I bought TileLab Gloss Sealer & Finish but now realize it is for sealing porous tile. Will this work as grout sealer?

    Bookmark   September 10, 2011 at 3:40PM
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barbfrizzell1955

Yes, I've used it to seal my grout.

    Bookmark   September 10, 2011 at 6:39PM
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artglass

Thanks, I don't post often but can always count on help fast. Did go ahead and use it on a lazy susan this afternoon and like the look.

    Bookmark   September 10, 2011 at 10:10PM
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