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McNoodle | 11:09 Thu 15th Feb 2007 | Home & Garden
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Can you plaster straight over plasterboard or does it need sealing? Likewise, can you paint directly over dry plaster or does IT need sealing or other preparation first?


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you can plaster straight over plasterboard,you should put some sort of sealer over new plaster before painting it.
Hi McNoodle If you mean dry lined board after you have prepared the joints you can decorate.If it is normal plaster board you need to skim it with Thistle Board Finish Plaster
If it is dry plaster then you would be best to seal all the above finished surfaces with 50/50 water /pva (unibond) then decorate hth Tez.
Question Author
Thanks to both...
I saw this in the Wicks catalogue - what's the difference between dry lined board and plaster board? I'm familiar with plasterboard, but dry lined..? Would you use one where you wouldn't another?
Hi McNoodle Dry lined board is usually tapered edged 8ftx4ft and after nailing onto studding or fixing with board adhesive to brick or block walls you fill the tapered vertical joint with fast set filler with suitable tools and instructions from good old Wicks for you to do If on the other hand you use plain edged 6ft or4ft x 3ft board bit more manageable though fixed the same way then you need to skim the whole surface as described before, the big difference is you may need to obtain and pay a plasterer for the latter method HTH Tez PS it's just a quicker easier and cleaner way to finish up to decorating than having the walls rendered with sand cement or backing plaster then skim then wait weeks for it to dry out.
Drylined board / Plasterboard all the same thing.

2 ways of finishing it.

Tapered edge (The edges are indented really) - Butt the baords together, leaving a wide dip where the 2 tapered edges meet. Use joint tape (Ames Tape) like a webbed tape over the joint first. Then use filler over the top, and in the screw / nail holes where you've fixed the board to the timber / metal studwork behind.

Sand it back so it's all smooth, then apply a watered down emulsion coat first before painting

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