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Carpets, Lino & Flooring

Laying laminate on very uneven floor.

Anonymous user 09/03/2024 - 3.05 PM

HI, I have a kitchen floor leading into dining room I want to lay good quality laminate flooring onto on top of 5mm underlay. The base floor is concrete, the kitchen was tiled on floor and beforehand it looks like its been levelled with compound a few times so its left a blend of concrete, compound and tile glue. I have taken any residue left from old tiles off the floor and I fitted the new kitchen. Was going to lay the floor and when putting a level on it its about an inch out in some places, some are very high and some very low. I don't want to just pour more compound on it as once I am finished the dining room floor will be way lower. The bits that are stuck up are solid I have no idea how to get them down. Anyone know what tradesman would be able to help with this? I don't want a flooring person to come in and just chuck a bunch of compound on it without dealing with very high bits.

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5 Answers

Wmfbuildingservices

Rating: 5 out of 5

Stamford

The best thing to do is to break the floor up on the high bits ,transfer, floor level from other room and fill in ,sand ,cement if to deep ,then compound over the shallow bits

Answered18 November 2019

LSJ Floorworks

Rating: 5 out of 5

Kirkcaldy

I'd probably grind the high spots off to take the worst of it out. Specialist equipment needed with good extraction though. Floor specialists should be able to deal with this no problem. 5mm underlay ? you may find you have problems with flexing at joints, leading ultimately to floor failure. Maximum I use is 3mm....and foil backed may be a better idea as it's on concrete.

Answered18 November 2019

EGM Installations

Rating: 5 out of 5

Coventry

A professional floor layer can do this with a good quality latex screed such as Arden N/A this is a latex screed and not water based which can be bulked out with Arden aggregate if required, this needs to be done by a floor layer and will not be cheap

Answered6 December 2019

Absolutely Floorless

Rating: 5 out of 5

Maidstone

You need to take up as much of the higher parts of the floor as physically possible. The best way to do this is to use a hammer drill with a tile chisel 'bit' as carefully as you can. Once all of the high parts are lowered you should prime the floor and then use a water based self levelling compound to give yourself a nice level surface throughout the whole area. If you manage to get this floor level you could use a 3mm underlay instead of 5mm to reduce the total height of the floor. Good luck!

Answered18 November 2019

Mike Gaze Flooring & Blinds

Rating: 5 out of 5

Norwich

Your best course of action would be to get a floorlayer in to diamond grind the surface and make it flat, if it needs building up to any existing heights then use a smoothing compound to achieve this, not the cheapest option but certainly the best, As for 5mm underlay this would usually be fibreboard / panels and Is fine, again is depends on the finished floor height you require, most underlays on a roll will be 2-3mm,

Answered11 December 2019