I simply installed some 12" x 24" large format tiles in my laundry room utilizing Flexbond mortar over concrete that was machined with a diamond cup disk. Its been ~32 hours given that I finished the primary portion but its clear that that the mortar is still curing. It have the right to take foot website traffic at this point but I really have to obtain my washer/dryer back in tright here ASAP because I literally have actually no clean garments ;)

How long have to I wait prior to hauling these 2 beasts back in there?

My washer is more than likely ~300 - 350 lbs (it has huge concrete blocks in it for counter balance) and the dryer is a good ~170 lbs.

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asked Jul 14 "14 at 17:10
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TugboatCaptainTugboatCaptain
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It relies on the concrete permecapability and the tile permecapacity (is it porcelain (essentially zero permeability) or a ceramic bisque (most non-porcelain tiles))?

A sealed concrete floor and a porcelain tile will significantly extend the cure cycle by limiting moisture migration.

It is for this reason that Schluter (a tile membrane manufacturer) states a non-modified (no latex added) thincollection for its floor membranes and porcelain tiles together (on the tile side of the membrane). They make the very same requirement on the floor side, if the floor is limited in permecapability. Flexbond is VERY modified.

If sealed floor and also porcelain, 48-72 hrs is safe. The tiles will cure correctly through EVEN compression (the weight of the washer), if spreview over several tiles.

Would it be feasible to temporarily put down several 1/2" ply feet, that span from front to ago, under the washer/dryer feet?


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answered Jul 14 "14 at 21:41
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HerrBagHerrBag
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According to the documentation attach for Flexbond that you gave - the cure time is 72 Hours. Me personally I am careful an additional day will certainly not hurt it.

You sassist that you machined the concrete with a diamond cup disc - does this suppose you smoothed the surface or roughed it up - the instructions for your flexbond claims a smooth concrete surconfront is more problematic and that you must mechanically abrade the surconfront (hopefully you rough ground and not polish ground) - check out the technical record bonding to concrete surencounters - click the PLUS beside technological specs.

Cheaper to do it best the initially time than to carry out it ideal the second time.


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answered Oct 27 "17 at 8:52
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KenKen
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following time, tec fast collection mortar, have the right to be waked on in 3 hrs and grouted in 4. learning curve making use of it but well worth it. life exists in the areas tile is put down; now i view why timber is so well-known...down and also done and it is anywhere. what type of washer and dryer execute you own? those weights are drastic.


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answered Jul 8 "16 at 18:21
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jonjon
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I concur with HerrBag and also Ken.

Flexibond is a great product however it was overkill for this installation. It’s a modified thincollection basically to offer some flexibility once installing over an existing floor e.g. vinyl or timber wright here there may be a slight “flex” in the underlying floor.

Why carry out you think the mortar is still curing? Do you suppose the grout is still curing? It shouldn’t take even more than 72 hrs tops, even via all the polymers in the mortar. Did you add Admix to the grout as well? That would certainly boost cure time.

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Your concrete substprice is good unless it’s smooth as Ken discussed. What’s done is done. From here I would certainly let it cure totally 72 hours prior to the heavy laundry devices.

Additionally, I think it would certainly be wise to collection the makers on exterior grade 3/4” plylumber. You might use one sheet for both makers or reduced to dimensions at the base of each equipments + 1/2” on each side for a much less detectable complete.

Reasoning here is that because of all the pointed out factors re: tile product, modified mortar, perhaps smooth substprice, the fairly intense and continuous vibration of the machines might, over time, loosen the mortar/tile bond and dislodge or break the tile. Stabilizing the machine on the plytimber would minimize the tension on the bond.