Hi There
INTERNATIONAL PAINTS have a paint on the market called ANTI-STAIN PAINT which should cover your first problem .If the damp is still coming through use ANTI-DAMP paint,Both products should be found in B & Q
Regards Paintpot
Hi Audry
Check with the INTERNATIONAL PAINTS Brochure..
INTERTNATIONAL PAINTS are specialised paint producers, brochure will give you there address and phone number where you could enquire.
Hi Pixelpup
there is a paint for UPVC produced by International Paints
You will need to purchase a tin of UPVC Primer to apply to the door first
to give it bite.. Both products should be available from B&Q