My slab looks similar to yours. What did you do to prep it? I'm thinking of doing the same treatment.
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Thanks, mine is only 5 months old but I've got to clean up some plaster droppings from ceiling and buff of the rest of the curing sealer that was applied when poured.
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Wow, looks great, as expected!!
Before applying the TLPPC, would your concrete absorb water fairly quickly? I've been told that if the concrete does not absorb water immediately, you need to grind the floor first, so it will absorb the TLPPC correctly.
I have a 7 week old slab and this is my last weekend before the building is erected, so if I need to grind the concrete, I want to do it this Sat.
Thanks, Cory
I did the "water test" with plastic and duct tape and didn't have any issues with water there.
I honestly didn't directly check the absorption rate of the slab.
Thank you! What is the "water test" with plastic and duct tape? Was your slab machine troweled or hand troweled?
Cory
With this product, or any penetrating sealer, you need to make sure that a small amount of water (like a Dixie cup) will penetrate the slab. Otherwise the sealer won't soak in. Water should soak in rapidly, within minutes for sure.
Before applying the TLPPC, would your concrete absorb water fairly quickly? I've been told that if the concrete does not absorb water immediately, you need to grind the floor first, so it will absorb the TLPPC correctly.
I have a 7 week old slab and this is my last weekend before the building is erected, so if I need to grind the concrete, I want to do it this Sat.
Thanks, Cory
If you are going to grind before building, I would plan on some serious floor protection !
skytracks, coffee, pop, mud, glue, wax off of the OSB edges, nails rusting.... man it is hard to keep it nice while the contractors are about!
Very good point! Thank you. I was trying to avoid concrete dust all over the interior of a brand new building, but was not thinking about stains on the concrete. Another dilemma............
Are you sure you need to grind it?
I was worried about under prepping mine, and finally I just said f it, as I was prolonging it long enough.
My slab was untouched since poured. It was power trowled and had a hard finish. I power washed and scrubbed with simple green, squeegee out and let dry a week. Rented a Clark buffer from Home Depot and went over it with a 80 grit screen. Power washed and scrubbed with concrete cleaner, squeeged out and let dry for a few days. Then applied my tlppc.
It came out good and I'm glad I took the few hours to sand it. It only took me about 4-5 hours to do about 2300 sq'
Cory, thanks for the pic's for reference
Dilute your first coat by 50% (water) as a prime. It will not contribute to gloss at all.
