Tile Perfect grout sealer in a can?

[highcountry]

Recently noticed a product I hadn't seen before for sealing grout. A company by the name of Tile Perfect has a canned product one sprays on grout lines. The overspray is supposed to evaporate from the tile. They claim a 15 year warranty. Although I don't believe that, even if it lasted a few years, the ease of using this product would be worth it.
Any experiences with this product?
Ken

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[slb]

Is this (http://www.johnbridge.com/vbulletin/showthread.php?t=26036&highlight=Stand+Seal) the stuff?