Skip to main content

Questions tagged [self-leveling-concrete]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
48 views

Do you really add a full 1/2" of self-leveling concrete above electrical radiant heat wires for LVF or do you use less in practice?

How much self-leveling concrete do you typically add above electrical radiant heat wires for LVF? LVF manufacturers recommend 1/2" of concrete on top of any radiant heat. Since the wires are 1/4&...
ARClimber's user avatar
1 vote
0 answers
40 views

Raising Concrete Floor 1 Inch for Tile

Looking to tile a basement landing as a transition from the stairs to the main room. The main room is done with DMX 1-step, 5/8 OSB and laminate flooring, so there is about 1.5" between the top ...
Tony Gweesip's user avatar
0 votes
0 answers
39 views

How to rebuild door threshold when using self leveler to outside door

I am pouring self leveler before putting in new floors. I have to raise the floor 1 inch. How should I rebuild the threshold of the outside door? I thought to just use self leveler all the way to the ...
Croeber's user avatar
  • 101
0 votes
0 answers
24 views

Leveling a floor without a foundation?

I need some advice. I bought a house that is lacking a foundation in certain areas. Huge mess. I've decided to make it as attractive as possible (and rent it out) until I can tear it down and rebuild, ...
TayTayAllDay's user avatar
0 votes
1 answer
30 views

Do I self level the Shower Pan or rip out the brand new 3/4 flooring?

Due to a series of unfortunate events and being in a location where people are not known for being reliable, I've wound up with a 3/4" plywood floor in my master bathroom that is not level nor ...
WastedMoney's user avatar
2 votes
1 answer
143 views

Need help on how best to level this floor

I'm planning on installing LVP in my bathroom - it is about 68 sqft of flooring. The floor is unlevel, sloping 3/4" at the worst location. A floor joist had been cut straight through by the ...
Niko's user avatar
  • 367
0 votes
0 answers
44 views

How to spot-fill low spots in concrete self leveler for shower pan?

I am attempting a shower renovation. I poured self leveler in the shower area to smooth out the surface for installation of a Schluter foam pan. I ended up with some low areas, and I'm looking for ...
Mark D's user avatar
  • 1
0 votes
1 answer
84 views

Using Self Levelling Compound over wooden subfloor upstairs

So my question is less about how to use the Self Levelling Compound but more the complications of using it. For instance in my master bedroom we are looking to install LVP. I have laid down thick 25mm ...
A.Smith's user avatar
  • 101
0 votes
1 answer
467 views

Can I level a floor with joint compound?

I am working on a house that has been lifted 7 feet in the air. What it looks like is that they leveled the out side perimeter but when they put the post in the middle of the house they didn't check ...
Dennis Johnston's user avatar
0 votes
0 answers
127 views

Epoxy over Self leveling Compound Cracks

I'm trying to put flooring down in a kitchen but I ran into some issues and I'm looking for general advice. The floor started with old but decent condition plywood with some old patchy black adhesive ...
ElectronHammer's user avatar
2 votes
1 answer
64 views

Would you use self leveler on a 5/8 inch dip across 10 feet?

I have a room where I want to lay down LVP but the middle of the room dips down to 5/8 inch across 10 feet. I'm planning on using self leveler here. Is this an acceptable fix?
Andy Cheng's user avatar
0 votes
1 answer
79 views

Self-leveling concrete basement floor for tile installation

I’m renovating my basement and I’m stuck with a floor-leveling dilemma. The area in question is a half bath, which is about 6’ x 6’. The bathroom is in a corner of the basement. Right now the bathroom ...
Kilroy's user avatar
  • 3
-1 votes
1 answer
513 views

LevelQuik Primer did not dry to clear

I sealed all gaps and applied LevelQuik Primer over plywood in my bathroom to prep for LevelQuik RS Self-Leveling Underlayment. I used a small paint roller to roll it on. It has not dried to clear and ...
Nate's user avatar
  • 21
0 votes
1 answer
117 views

How do I fix the gap between my driveway and floor?

Given the extensive shifting of my driveway caused by clay soil and intense summer heat, resulting in substantial cracks and exposed rebar with separation from the garage floor slab, I'm contemplating ...
Tommy's user avatar
  • 11
0 votes
2 answers
560 views

Can I install concrete leveler over a crack isolation membrane?

I accidentally laid Mapai aqua defense crack isolation membrane instead of concrete primer prior to applying a self leveling compound. How much trouble am I in? I’m preparing my bathroom floor to lay ...
Cat111's user avatar
  • 11
11 votes
3 answers
4k views

How do I go about repairing/redoing this uneven and damaged basement concrete floor?

I've got a section of my basement that I want to turn into a workshop, but one of the many things to improve is the floor. I want a smooth level floor for this section of the basement (I might ...
David Garrison's user avatar
0 votes
0 answers
96 views

Can you cut self leveling concrete with a concrete saw?

I am looking to remodel a basement and I really like the concrete finish look with a clear coat of opaque epoxy over the top. I don't want the floor to be one continuous piece. Its an older home with ...
Pete Screwball's user avatar
0 votes
2 answers
273 views

Can sealed self leveling underlayment alone support the weight of a washer and dryer on a laundry room floor?

In my laundry room, I poured some LevelQuik RS self leveling underlayment over a lumpy concrete slab (I put cement primer on first). The underlayment was about 1/4 inch thick at the thinnest parts. I ...
Mike Eng's user avatar
  • 196
0 votes
1 answer
280 views

Does the drywall on my wall need an expansion gap below?

I'm working on replacing the carpet in our basement bedroom with some vinyl laminate flooring. I noticed that the concrete appears to have domed cracked / domed in the middle so I need to flatten ...
Ryan P's user avatar
  • 1
1 vote
1 answer
609 views

Best self leveling compound to use for this situation with LVP (1/2" feather edge thickness) [closed]

Looking for advice on which type of self leveling compound to level most of the concrete floor tied to this question asked earlier. I want to make it close to 6/16" min relative height so its ...
ChucktheDuck's user avatar
1 vote
0 answers
235 views

Self Levelling and Liquid DPM over damp on ground floor quarry tiles - disaster

I have a question about rising damp on quarry tiles ground floor in old building. I removed the old carpet and realised there was damp patches on the tiled floor below, im believe there is no dpm ...
Wal Comps's user avatar
0 votes
1 answer
233 views

Thickness of concrete base layer for leveling basement floor

TLDR question: How thinly can I feather regular concrete to roughly level my basement floor as a base for self-leveling compound? Background: I am in the process of re-finishing my basement after ...
Sasaui's user avatar
  • 1
0 votes
1 answer
154 views

What should I do about crack in concrete subfloor? A foundation contractor has already stabilized the foundation

About two years ago I noticed some cracks in the drywall, so we had a foundation contractor come out and stabilize our foundation. They removed all the trees close to the house, added gutters and sump ...
Art's user avatar
  • 1
1 vote
2 answers
3k views

How can I prep for vinyl plank flooring over uneven concrete & linoleum floor?

I'm hoping to install vinyl plank flooring. The floor is partially bare concrete and old linoleum - it's also not level at all. Can I pour a primer and self-leveling compound over a floor that's ...
Austin Seward's user avatar
0 votes
0 answers
80 views

I’m looking for a concrete material for skimming over existing concrete 1.5” thick to 1/8”

I’m looking to fix my side walk. The slabs are 8’ long. I want to lay a new material over top to make It look like new concrete
CBR Contracting llc. Eddie M.'s user avatar
1 vote
2 answers
5k views

Adding 1/2" to 1" height to slab cheaply, then finishing with 1/4" self-leveler

TLDR: I want to level the floor using self-leveling compound, but I need to bring the overall price down. I'm looking for ideas about how to cheaply (and quickly/roughly) raise the low spots to just ...
mattalxndr's user avatar
5 votes
4 answers
4k views

My bathroom slab is 2 inches lower than the rest of the home's slab. How should I level it?

I am renovating our primary bathroom in our 1958 home. I demoed the tile and decided to demo the dry pack used to float the bathroom. After getting the dry pack out it appears my bathroom slab is ...
s3aborn's user avatar
  • 53
1 vote
1 answer
92 views

Floor Leveling/Finishing Options [closed]

I'm considering a few different options for leveling and refinishing an old floor and I'm looking for second opinions. The floor is roughly 13'x28' on the top 3rd floor of a ~120 year old row house. ...
ElectronHammer's user avatar
2 votes
1 answer
301 views

Leveling old floor for LVP planks [closed]

Here is my kitchen rennovation. About 240 sqft, 5/8 plywood subfloor. I Put in almost 500 flooring screws beside the nails, not glued down. 36 year old home, dimentional lumber in Brampton Ontario. ...
Dan's user avatar
  • 21
1 vote
2 answers
4k views

Can I pour self leveling cement over this carpet glue residue

In my basement I removed old carpet planning to install LVP, so I need to flatten out the slab a bit. The carpet left a thin glue residue over the entire floor that I've been trying to remove before ...
AJD's user avatar
  • 111
0 votes
0 answers
1k views

How do you level-out unlevel plywood subflooring?

On concrete floors you can pour self-leveling cement to fill valleys. How do you fill valleys on plywood sub-flooring?
Samuel Muldoon's user avatar
0 votes
2 answers
2k views

Can I use self-levelling compound over old carpet adhesive?

Can I use self-levelling compound over old carpet adhesive? I've ripped up the current carpets and found a couple of strips of very old carpet glue that are proving a NIGHTMARE to remove from the ...
David Lazarus's user avatar
0 votes
1 answer
198 views

underfloor heating element, self-levelling compound - avoid springiness and cracks

I have an underfloor heating element laid on a 6mm thick insulation board. When I walk on it, I can feel that its slightly springy. I want to pour a self-levelling compound on top as a finish but I ...
Daniel Katz's user avatar
0 votes
0 answers
309 views

Replacing tile, cracked floor by door sill

We've lived in our house for two years now and recently noticed that some of the tiles by the front door were loose. The assumption was that they were not well mortared and that removing, cleaning old ...
renesis's user avatar
  • 201
0 votes
1 answer
497 views

Use mortar between OSB and old concrete subfloor, in shower?

Replacing a shower pan in a 32x32 alcove. The prior acrylic base was bedded in mortar on top of concrete subfloor. The new pan I intend to buy has an OSB and foam underside, seemingly meant for a flat ...
Scott's user avatar
  • 175
0 votes
0 answers
385 views

How to prep this concrete shower floor for a replacement acrylic base?

Ripped out a shower surround, replacing with new wall panels and shower pan. The prior pan was set in some cement or thinset, and that's left a very uneven surface. How do I prep it for the ...
Scott's user avatar
  • 175
0 votes
0 answers
232 views

Can you put Hardy backer board on top of Mapie self leveler plus?

I have already applied self leveler in my bathroom over brand new plywood subfloor. I have got Mixed opinions if I can use Hardy backer board on top of the self leveler.
Steven's user avatar
  • 1
1 vote
0 answers
85 views

Hiding a severely dished bedroom floor

I have a bedroom with a hardwood floor that is severely out of level. I would say is is 1.5 inches out of level over 6 feet, with the lowest spot in the center of the room. I do eventually want to fix ...
darkness's user avatar
0 votes
0 answers
3k views

Self-leveling concrete prep: how to fill large gaps?

[Note: Variations of this question have been asked before, but the ones that received answers were talking about sealing gaps for other purposes. So here goes.] TL;DR: I have 3/4”-1” gaps at the edges ...
ingernet's user avatar
  • 101
0 votes
0 answers
4k views

Peel and stick vinyl on existing tile - how to best level the tile floor for installation?

I knew installing peel and stick vinyl planks on uneven surfaces was a bad idea, but I decided to go ahead anyway (big mistake). It looks a lot worse than I originally expected, as the bulge is very ...
HuN's user avatar
  • 1
1 vote
1 answer
3k views

Best way to correct one inch dip in middle of second floor master?

We’re installing hardwood flooring in our second floor master bedroom. House was built in 1993. When we pulled off the carpet we realized the floor dips in the middle. The room is 18 ft (north-south) ...
Dave Friederichs's user avatar
0 votes
1 answer
245 views

tiling a floor that is not flat

I want to tile a concrete floor that has 1950s tile already installed on part of it. The problem is, one edge is out of flat with a slope change of almost 1" in the last 2 feet. Other than that ...
mark f's user avatar
  • 2,275
2 votes
1 answer
1k views

Should I attempt to level my basement slab before installing vinyl plank flooring?

I am getting my basement bathroom finished. We found the concrete floor is not 100% level during tub installation. My plumber used mortar under the tub to level the tub. Please look at the gap between ...
Neha Panwar's user avatar
0 votes
0 answers
322 views

Fast set concrete or self leveling concrete for the mounds under the shower base?

This is a follow up for this question Do I still need concrete mounds under my shower if the floor is perfectly level (I poured self leveling cement) The manufacturer instructions say "mounds of ...
MiniMe's user avatar
  • 3,402
1 vote
1 answer
2k views

Can I level basement floor with cement board and self-leveling cement?

I have about a 1" height difference on my concrete basement floor. My understanding this was for drainage in case of flooding. I have a wall in the way of where anything could potentially drain ...
Joe Phillips's user avatar
  • 2,266
0 votes
0 answers
55 views

How do I level a hardwood floor with minimal damage?

I'd like to soundproof my living room floor in order to minimize impact from footfall and airborne sound transmission from a piano. My general plan is to install soundproofing mats on top of the ...
hohner's user avatar
  • 101
-1 votes
1 answer
161 views

Assume the underlaying concrete is stable and solid, can you pour self leveling concrete and leave it like that for walking and as a garage floor? [closed]

Assume the underlaying concrete is stable and solid, can you pour self leveling concrete and leave it like that for walking and as a garage floor ?
MiniMe's user avatar
  • 3,402
0 votes
0 answers
500 views

How can I flatten a hardwood floor in preparation for new flooring over it?

I have a second floor with T/G hardwood flooring that is in very bad shape. I have decided the easiest solution for me is to float new engineered hardwood over top of the old hardwood. There is no ...
darkness's user avatar
0 votes
0 answers
563 views

perimeter/barrier/dam on thinset for self leveling compound

What product or methods can I use to create a perimeter/barrier/dam on thinset for self leveling compound in a doorway? I'm pouring 300sf in sections as the SLC has limited working time. Thermostrips ...
Tim's user avatar
  • 1
0 votes
0 answers
142 views

How to level a floor that got out of level from a beam breaking underneath the house

So I tried to get pictures, but I couldn't get any that you could really see how unlevel the floors are. I want to be clear, I am a frame carpenter who is familiar with the correct terms, and I am ...
AbstractMechanic's user avatar