Putting up shelves?

Are you *sure* it is plasterboard and not lightweight blocks? Does it sound hollow when tapped? Can you detect the plasterboard fixing screws or nails with a metal detector or a rare earth magnet?

On Tuesday 02 April 2013 15:04 Tweets wrote in uk.d-i-y:

It's probably not the PB being thick, so much as there being a "dab" of bonding adhesive right where you tried.

I had that problem once. You could use the plastic version and after the initial hole is drilled, take them out and cut the shorter with a knife. Worked for me.

Or if there is a "dab" where you want the fixing, drill and use a normal fixing plug.

Good thinking Batman. Magnets aren't any good for detecting dabs!

My thoughts as well.

I highly recommend the Rawlplug "UNO" universal plugs. B&Q sell them.

Hope you wear dark glasses, false beard, and don't use the works van when shopping there!

:-)

But I agree, UNO plugs are good.

Definitely PB as when I poke through there is a gap before reaching the PB on again (neighbours wall). Not a dab as it's the same in numerous places. :(

What kind of weight will those "UNO" plus hold though?

If it is plasterboard on frame, fix to the uprights wherever possible. If its dot & dab, fix through the dabs into the masonry behind. Standard wallplugs are fine for the latter, no plugs for the former.

NT

I'm not quite sure I understand what you are describing.

I would have expected

| PB | Party wall | PB |

Yet you appear to say that you have drilled right through to your neighbour?

Chris

Yes, you are right with your 'diagram' above. There is fresh air between me and my neighbours wall so it is not dot n dab, is what I was trying to say.