I'm trying my first floor tile job in a bathroom.
I have measured and laid out the pattern for laying the
tile, have made cuts in edge tiles and am ready to lay
I figured it would take me an hour and a half so I got
some thinset that would set up in 4 hours. First of all,
I followed instructions carefully and used the required
amount of water, then added the thinset gradually while
using a powered stirrer with a hand drill. By the time
I got all the powder added, the mix was obviously too
dry and crumbly so I added a bit more water. By now, it
was getting pretty thick of course so I added a bit more
water and mixed well. All in all, I probably took 20 to
30 minutes mixing. Then when I tried troweling the mix
out, it seemed too dry and crumbled and formed chunks
when I was trying to use the square notched trowel on it.
Of course, the bucket was getting pretty warm as the mix
was already setting up.
So I scraped up all the thinset before it completely hardened.
Next, I plan to use unmodified thinset. Should I really pay
attention to the instructions regarding the water to add or
pay more attention to the consistency of the mix. I guess it
should be like creamy peanut butter, thick enough not to collapse
when I use a notched trowel. For this thinset, how long will I
have to work with it before it starts to set up??
Thanks for any info.
Larry T. Suddarth