27 replies to this topic

[jime17]

Has anyone jacked their mini (or any car for that matter) on osb sheet laid on concrete?

My concrete garage floor is damp and the quickest and cheapest short to medium term solution is to lay damp proof 1000 gauge sheet down and lay board on top.

I'm not sure though how osb3 will stand up to jacks and axle stands etc.

The floor is flat and solid so the sheets will sit nice and snug width ways within the walls Just by trimming 3 inches off the end.

I've not got much to spend so trying to think of alternative solutions to laying Dpm and screeding....

Cheers.

Edited by jime17, 15 October 2018 - 09:27 PM.

[nicklouse]

depends on the tools you are using. some will just cut through others will be fine. look at their feet.

[jime17]

Bottle jacks have a big footprint so should be ok. Axle stands have flat triangular base so likewise.

Trolly jack has fairly large wheels. Not sure about the Ramps.

Will test them on a piece. Osb is highly compressed during manufacture so surely can't have much give in it?

Just wondering if anyone had done similar.

Obviously safety is foremost.

[cal844]

OSB will break under strain, especially in damp conditions

[Verderad]

Treat yourself to a sheet of 18mm ply. Cut out size to suit axel stands, bottle jack etc. Cut one over size for trolley jack. You should be fine

I expect the osb on its own will work if it’s onto a flat floor but will dent with heavy loads.

[jime17]

Treat yourself to a sheet of 18mm ply. Cut out size to suit axel stands, bottle jack etc. Cut one over size for trolley jack. You should be fine

I expect the osb on its own will work if it’s onto a flat floor but will dent with heavy loads.

Yes that's a good idea. I've got some lying about.

I was thinking about 9mm osb over the damp proof membrane to keep it as thin as possible so there's not much to sink into.

Edited by jime17, 15 October 2018 - 10:05 PM.

[johnyj]

How big is the garage?

[nicklouse]

 

Treat yourself to a sheet of 18mm ply. Cut out size to suit axel stands, bottle jack etc. Cut one over size for trolley jack. You should be fine

I expect the osb on its own will work if it’s onto a flat floor but will dent with heavy loads.

Yes that's a good idea. I've got some lying about.

I was thinking about 9mm osb over the damp proof membrane to keep it as thin as possible so there's not much to sink into.

 

but it would flex more. your biggest issue with it is damp though.

[jime17]

Garage is 10 sq metres ish.

4.2m by 2.3m

Yes I agree about the damp. So I'll pay a damp proof membrane on the concrete first.

I'm looking at water based sealer and epoxy floor paint but that works out to be quite expensive.

[Bobbins]

Is there definitely no membrane already under the concrete?

 

My comment would be that 9mm will not be thick enough to be durable and you'll likely damage it in a fairly short time even if you take other measures for the jack. You'll probably need thicker which is going to add to the cost. If your intention is ultimately to screed it why not hold off until you have enough money to do it properly, ideally with a PVC garage flooring as well which would be around £200 extra.

[jime17]

Hi.

I can't be certain there no Dpm but if there is it isn't working.

Just weighing up options.

[Verderad]

9mm is probably not suitable. It won’t hold its self down for long then will curl at the corners. Sheet of DPM first, then 18mm board. Will need to be fixed with screws, quick squirt of mastic in hole with plug and screw.
Ply would be better but will cost more, last longer though.

[minimanclive]

Not entirely the same but my Mini used to live in a large wooden shed with a wooden floor. I just put loft flooring boards over the top of the shed floor.

[JXC Mini GT]

From my experience with a similar problem in my metal shed which was built on a concrete floor with a DPM below it, somehow the floor still got damp possibly from condensation.

I have now laid a sheet DPM over the concrete and 19mm OSB board on top which I have found to be OK even when it has got damp.

[Quincy Sparks]

Have you thought about rubber tiles as a possible alternative? Rubberstock have a good industry reputation, and have floors for all applications - load bearing / anti-slip etc

The cheapest of these would work out at about £25 a sq m : https://www.rubberst...50cm_15237.html

Just a thought - obviously not as cheap as OSB, and might be more than your quotes for DPM & screed!