General plasterboard, tips on How to finish plasterboard joins.
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  • Make sure all plasterboard joins to be filled are free from dust and loose plaster.


  • Before taping plasterboard joins, pre fill any gaps wider than 5mm.


  • Check all nail heads are below the surface of the plasterboard.


  • Fibre glass plastering tape should only be used on plasterboard wall joins.


  • Use plasterers paper tape for all plasterboard ceiling joins, plasterboard BUTT JOINTS and internal corners. Never use fibreglass tape on plasterboard butt joins or internal corners.


  • Scape back excess plasterboard jointing cement between coats.


  • Don't try to fully fill plasterboard joins on the 1st coat.


  • Always use a 3 coat system.


  • There are several critical areas to check for a flat finish.


    • The junction of a plasterboard join and an external corner.


    • The junction of a plasterboard join and an internal corner.


    • The Junction of a recessed plasterboard join and a butt join


    • The 3 way intersections of internal corners


    • To check these area use a plasterers 12" joint knife on its edge


  • Keep sanding plasterboard joins to a minimum, do not to scuff board when sanding.


  • Store bags of plasterboard stopping plaster off concrete.


  • Make sure top coat is not out of date,(some products can get mouldy if out of date).


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