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Unread 03-20-2019, 09:32 PM   #58
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

Join Date: Jul 2004
Location: Nashua, NH
Posts: 13,659
A couple of tips that I got from a factory training class...

The catalytic process of curing that occurs in epoxy speeds up with increased temperatures. You can slow the process down in the bucket if it's chilled, but it also makes it stiffer, so harder to spread until it warms up.

The curing process itself creates heat, and when clumped in the bucket, traps more of that heat, speeding up it curing even before you can spread it.

Once mixed, take some of the grout out and leave it in small piles in the area you will be grouting. The smaller piles won't heat up as fast, and will extend your time available.

Follow the cleaning procedure carefully. It's a real pain to clean off epoxy residue on the tiled surface after it has cured.

Get yourself a big pack of microfiber cloths. Only use them a few times between rinsing, and use both sides, then abandon them. You can't rinse all of the epoxy out of it, and after a couple of uses, you'll be respreading it around on the tile which is why you need new ones, and a fair amount. You'll want to either have several rinse buckets, or have someone dump and replenish your supply with fresh, clean water. Otherwise, it's really tough, since even after rinsing, you'll be starting with some already polluted water. Cleanliness is your friend and time saver here.

See if you can find some large scrubbing pads designed for use on non-stick pots and pans. They make quick work of flattening and loosening the epoxy both over the grout joints and any that may be left on the top of the tile. Don't press much and use circular motion. You don't need a lot of water, but you do need some. The pad will help to put the excess grout into a slurry that is much easier to clean off when you have some water there. Unlike a cement based grout, while you never want to flood the surface, it isn't a big problem if it may be a little wetter than you might have thought. You can lightly squeeze excess water out of the pad...add a little if it's not making a slurry when scrubbing. You could use the grout float lightly on top of it to keep it flat so you don't press into the joints which will more evenly clean them after your initial install with the float.

With your sponge cleanup after using the pads, only use each side or edge once before you rinse. Finish up with the microfiber cloths. With the microfiber cloth wet, but wrung out, lay it flat, lift at two corners on one side, and pull it across, keeping as much of the cloth in contact with the tile as possible. Let the weight of the damp cloth and the large surface work for you.

Those were tips received at a Laticrete training program.
Jim DeBruycker
Not a pro, multiple Schluter Workshops (Schluterville and 2013 and 2014 at Schluter Headquarters), Mapei Training 2014, Laticrete Workshop 2014, Custom Building Products Workshop 2015, and Longtime Forum Participant.

Last edited by jadnashua; 03-20-2019 at 09:41 PM.
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