Painting on moisture resistant plasterboard - does it need priming first ?

[greatdayfor]

Kitchen has been boarded with a moisture resistant plasterboard (tapered edges filled) so should be ready to paint this weekend before units are fitted.  Planning to use Leyland Trade vinyl silk for the final finish coat, do I need to use this first ? ... Leyland Trade Super Leytex High Opacity Matt Emulsion  or any other recommendations welcome

 

 

[nod]

No primer needed 

Your taper should be using a gypsum primer once the sanding is done 

[JohnMo]

First cost needs to be thinned about 25% with water, next coat full strength.

[nod]

No primer needed 

Your taper should be using a gypsum primer once the sanding is done 

[Temp]

I've just made a washstand out of water resistant mdf. Used one of the Zinsser primers just as a precaution.

 

Edit: oops I miss read the question.

Edited April 26, 2023 by Temp

[JohnMo]

1 hour ago, nod said:

gypsum primer

Gee £91 from Tradepoint - not exactly cheap for watered down emulsion 

[nod]

2 minutes ago, JohnMo said:

Gee £91 from Tradepoint - not exactly cheap for watered down emulsion 

It’s not exactly that 

It’s a hardener also 

I buy 50 at a time but still works out at £40 each Trade point is DIY 

[Discoeye]

Nod is right but if you don't know if its been done then mist coat or a suitable primer.