Water Based Eggshell - technical information for decorating Lovely depth of colour and consistency of paint, high quality product. Marleen Townend PREPARATORY PRODUCTS Water based Eggshell Primer Primer for us on all MDF and woods rich in active substances prior to application of water based eggshell or gloss paint. PREPARATORY PRODUCTS Grip Coat, Fine DARK COLOURS BEST APPLIED OVER GRIP COAT Problem solver for all difficult substrates: This preservative-free primer with a very fine granulation provides better adhesion for follow-up coatings on interior surfaces. Grip coat has zero emissions and high-grade product characteristics: Re-coatable after 4-6 hours. This odour-free primer can be applied with a brush or roller. One primer coat is sufficient.