Workshop floor levelling

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JDW

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I want to get my workshop floor perfectly level before I start building my workbench. I've built an osb3 subfloor which is pretty level but I want to get it perfectly level before putting rubber matting down.

Can anyone recommend a decent primer & levelling compound combination for this job please? Or possibly a different solution?

Any help always appreciated.

Cheers

Jim
 

Cabinetman

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My OSB floor is in a Victorian building and isn’t perfectly level and has a slight slope, but it is very nice to work on and stand on, the odd time a piece of equipment isn’t quite level I just knock a thin wedge under a corner, it really isn’t a problem that needs fixing imo. How far out of level is it - looking at the worst joint between two boards and measured over, say a metre?
Just trying to save you the cost and work of self levelling compound and the rubber mats. Ian
 

JDW

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Thanks Ian, appreciated.
This is my first little workshop, internally it's only 2.7 x 3m.

As it's only small I have been planning to build a fixed workbench along one wall. To be honest the floor is pretty much level. Going from what you've said perhaps I should get working in it and see how it goes. The osb has flaked off here and there, perhaps I could fill the flakes, sand the whole floor and varnish with PU?
 

woodieallen

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I think that the inevitable flexing you will get with an OSB floor will guarantee cracks developing at the joints in the OSB. I agree with Ian.
 

Cabinetman

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OSB is fine, particularly with a couple of coats of water based polyurethane floor varnish, I wouldn’t worry about a couple of flakes missing and the varnish will stop any more coming off.
It doesn’t flex at all if you fit the sort with tongue and groove edges, it’s really strong even with big heavy cast-iron equipment on it, no movement at all on mine after 10 years. Ian
 

Sporky McGuffin

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My workshop had a concrete floor; that was levelled with latex (I think it's fibre-reinforced or sommat - same stuff they used in the garage, and under the vinyl floors elsewhere in the house). Then Plasflor tiles.
 

MARK.B.

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Do you need rubber matting under the bench :unsure: if it is fixed you can simply build your bench level even if the floor is slightly out and put your mat down later :)
 

Spectric

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and under the vinyl floors elsewhere in the house
Self leveling compounds have become essential since builders can no longer lay a level floor, have seen so many floors where the screed has flowed to one corner or they thought having a pimple in the middle would be a great idea. My bathroom floor was 40mm out from corner to corner with a ridge.
 

JDW

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Yes, I was thinking about a mobile bench initially but now I think I'm going for a fixed mft style bench as my workshop is on the small side. It'll give me loads of surface area and a hopefully room for a cyclone and vac underneath. I'd like to also incorporate a router table.
20220106_162846.jpg
 

baldkev

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If you get a levelling compound roller, its fairly easy......

I'd like to also incorporate a router table.
I got a router table insert off ebay a couple of years back, made a template up to use to route out the insert shape and ive since put it in a couple of benches and a site table... make up a fence and off you go. Put that in the mft somewhere, but ypu need to allow for the longest lengths you think you will mould
 

JDW

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If you get a levelling compound roller, its fairly easy......


I got a router table insert off ebay a couple of years back, made a template up to use to route out the insert shape and ive since put it in a couple of benches and a site table... make up a fence and off you go. Put that in the mft somewhere, but ypu need to allow for the longest lengths you think you will mould

Thanks very much 👍🏻
 
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