Do I need to prime or
undercoat?
Primer - provides
protection and adhesion and should be used on any bare wood, or metal, or
old wood that has been sanded back.
Sealer - sealers will stop the paint from
being absorbed, and should be used on plasterboard, cement render,
masonry, ceilings.
Undercoat - is mainly used to build surface
protection, particularly in full weather conditions. Also useful when
painting light shades over a darker existing paint finish. |
