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knauf bonding compound plasterboard adhesive


 
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Barney78

from United Kingdom

Joined: 20 May 2004
Posts: 57
Location: United Kingdom

PostPosted: Sun Jul 08, 2007 6:55 pm Reply with quote

I've just bought a 25Kg bag of knauf bonding compound plasterboard adhesive to dot and dab a small area of plasterboard but I can't seem to find instructions anywhere on what ratio of powder to water this should be mixed at.

The packet just say to pour it in to an unspeicifed quantity of clean water and let it soak for 2 minutes...


Also what's the maximum thickness that this stuff can be applied at?
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noseall

from United Kingdom

Joined: 02 Feb 2006
Posts: 19677
Location: Staffordshire,
United Kingdom
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PostPosted: Sun Jul 08, 2007 7:01 pm Reply with quote

mix it so it has a fairly slump free consistency. i would liken it to butter at room temperature.

you can apply it as thick as gravity will allow. it will squash flat when you apply the board though.

it's not unusual to apply more than one layer of boards and adhesive.
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Barney78

from United Kingdom

Joined: 20 May 2004
Posts: 57
Location: United Kingdom

PostPosted: Sun Jul 08, 2007 7:10 pm Reply with quote

right, but if i'm adding it to the water, rather than the other way round how do i know how much water to start with to mix say half the bag?
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noseall

from United Kingdom

Joined: 02 Feb 2006
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Location: Staffordshire,
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PostPosted: Sun Jul 08, 2007 7:22 pm Reply with quote

you don't!

that's pro's privilege i'm afraid.

i think they call it trial and error.
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Nige F

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PostPosted: Mon Jul 09, 2007 6:39 pm Reply with quote

Indeed, it originates in the Middle Ages, when the Master Masons used trial by water.........by tying a new apprentice to a castle wall....under the Guarderobe icon_mad.gif icon_eek.gif
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