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Help removing a sleeper?(4"x6") from a concrete garage floor
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picclock:
Hi
I have just moved here (Dorsert) and this garage is to be my new shop. However the garage has a piece of wood, 4"x6"x6ft approx screwed to the floor (a 'bump stop' for bad car drivers), which I need to remove. Needless to say that with the best tools I have these have defied all attempts at removal in the normal manner. Its driving me mad because everything I have tried has failed. The screws holding it are long, small diameter (I would guess 5 or 6 mm) cross head. These are sunk into the wood about 2" below the surface. The threads in the screw appear to have threaded the wood and then pass into what I presume is a rawplug or alternate concrete fixing. So even though I have removed the head from one of then the timber remains securely locked in place by it. I then tried using a hole saw but that will only reach to within 1" of the concrete floor, before the top of the screw prevents further cutting. 

My next plan is to use a torch on the top of the screw in the hope that this will either burn the wood in contact with it easing removal, or melt the plastic of the rawplug allowing it to be pulled out (assuming the fixing is a rawplug and plastic). However the fire and smell will doubtless attract unwelcome attention from my SO, who is already troubled by the amount of decoration/renovation going on.

Any offerings of advice most welcome ~ its a piece of wood for heavens sake, how hard can it be  :doh:

Many thanks

in desperation

picclock
awemawson:
Can you get a flat ended crow bar driven under the wood between it and the concrete, and lever the wood upwards either snapping the screws or dragging them out of their rawlplugs? (Use a block of wood as a fulcrum for the bar to preserve the concrete)

A few taps with a sledge hammer at the front and back of the baulk to rock it would help this process.
modeng200023:
Just split the wood through the screw holes.
edward:
Big crow-bar and a sledge hammer. Lever it up. I have a couple of 5' putlog scaffold tubes that are excellent for this type of stuff.
PekkaNF:
I have made quite long holes with hole saw by chiseling out the core. Two inches deep screw heads? do you have resipicating saw saw and a good metal blade? Cut V to weaken the treewood and cut most of the screw out. That kind of screws are often pretty hard and resist pliers and hand tools successfully. Angle grinder would do the trick in no time, but we don't want to burn that garage.

Anyway, weaken the bugger with any means necessary and then prong it up as Andrew says. I would have lost my temper early on, put old chain on my chainsaw, open the garage door asked miss to have a coffee/shopping break and made cuts just centimeter away from the screw both sides. Then mallet to beat the bugger into submission.

Main thing is not too loose cool and swear profusely and slip the mallet out of sweaty hands trough the wall, hedge, and BMW next door.

Pekka
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