Trying to secure a double socket back box to a thermailte block and normal rawl plugs and screws can't secure it, the screws keep turning.
Is there a better fixing?
I thought about maybe drilling a bigger hole, say 2" then fill it with polyfilla then fix to this
Is there a better fixing?
I thought about maybe drilling a bigger hole, say 2" then fill it with polyfilla then fix to this