Why bother,just fit a hook and eye behind the door tohold it open.
Brian

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The Sofa of Brian Gaff...

Blind user, so no pictures please!
"Chris Hogg" wrote in message
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On Mon, 4 Jul 2016 19:54:36 +0100, ss wrote:

I have a rubber wedge for holding a door open, the door has a not very
powerful door closer.
The `wedge` only has the tip that will fit under the door due to low
clearance.
The wedge slips on the floor tiles usually after a few minutes and the
door closes.
Any ideas on how I could make the rubber slightly tacky to stop it
slipping ?

Glue a bit of coarse sandpaper onto the face that contacts the floor.

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Chris