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How to fill in chips in concrete from Demolition hammer ?
Posted on 10/19/17 at 11:51 am
Posted on 10/19/17 at 11:51 am
So I removed some tile with a demolition hammer and chipped up the concrete in a couple places, nothing horrible just like 1/4 to 1/2 inch chips that are maybe 4x4 inches at the biggest. Do I need to fill those in before placing the new tile or can you just put mortar into the hole and go over them? If I fill them in, is there a specific concrete and method to use? tile is 8x36 wood look so it'll be well over the holes.
3
Posted on 10/19/17 at 12:01 pm to baldona
If it’s a small hole and you really feel like you need to patch it you can use brick mortar.
Posted on 10/19/17 at 12:06 pm to baldona
quote:
just like 1/4 to 1/2 inch chips that are maybe 4x4 inches at the biggest
I would just lay some thinset in there, scrape it level, and let it harden overnight. Then place new tile over that. What is the sub flooring like? Is it on a slab, or is it on a 2nd level where there is a concrete backer? When we did renovations a few years back, I laid tile on my second floor and had some issues like this. Obviously we did a whole tear out so I ended up using hardibacker to make sure it was all level. If you're on a slab then thinset is probably fine.
Posted on 10/19/17 at 12:11 pm to TU Rob
Thinset is weak. Get a small bag of concrete floor leveler. Mix small batches and fill in the holes. It dries very fast.
Posted on 10/19/17 at 12:18 pm to fishfighter
quote:
Thinset is weak. Get a small bag of concrete floor leveler. Mix small batches and fill in the holes. It dries very fast.
I still need to clean the floor up but I am going to do this spot right and use level quick if necessary, so that stuff is okay to use for holes too? I may just dump a whole bag worth over all the holes and level it out best I can?
Yeah this is on the slab on the ground level.
This post was edited on 10/19/17 at 12:19 pm
Posted on 10/19/17 at 12:31 pm to fishfighter
Maybe if you're buying crap pre-mix stuff. The real stuff will break tile and peel a layer of concrete before giving up.
OP, small chips don't need special attention, just spread the thinset with the proper notched trowel for the tiles size you are putting down, butter the tiles before you place them, and go on.
OP, small chips don't need special attention, just spread the thinset with the proper notched trowel for the tiles size you are putting down, butter the tiles before you place them, and go on.
Posted on 10/19/17 at 3:11 pm to Clames
quote:
OP, small chips don't need special attention, just spread the thinset with the proper notched trowel for the tiles size you are putting down, butter the tiles before you place them, and go on.
This. No need to worry, just lay the tile as normal.
Posted on 10/19/17 at 9:48 pm to fishfighter
quote:
. Get a small bag of concrete floor leveler.
This is what a professional would do and what's been recommended to me in similar situations. And it does dry fast so make a small batch first to get the hang of it.
Although for me I'd probably be a cheap arse and just use thinset. I just can't imagine those small spots that were filled with a less than perfect material being a problem. But be sure and let thinset dry so you don't scrape chunks if it out when going to town with notched trowel before tiling. Will need about a day to dry good enough.
Posted on 10/20/17 at 8:03 am to baldona
Portland cement, play sand, and some concrete bonding agent(monkey milk).
Nevermind, didn't realize this was for laying tile over. I would imagine filling it in with thinset when you trowel it on for the tile would be fine.
Nevermind, didn't realize this was for laying tile over. I would imagine filling it in with thinset when you trowel it on for the tile would be fine.
This post was edited on 10/20/17 at 8:05 am
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