top of page
Contec LOGO 2025 Primer.png

Versatile, Specialist ,  Reliable, Hydrophobic 

Safety Klean sqr.png

Classidur

Classidur Universal Xtrem Primer

Stain Blocking Primer

Description:

A water-based stain blocking primer possessing excellent adhesion properties,
for interior and exterior use.

Weight / Size:

2.5L

Approx. Coverage:

9 - 11 m²/l

Product Info:

■ Excellent stain-covering (wood tannins, nicotine, soot, perfectly dry water stains*, etc.) ■ Exceptional adhesion properties ■ Compatible with all current single-component finishes ■ Fast drying ■ Smooth finish ■ Excellent primer/undercoat for wallpapering
bottom of page
function startup() { colorWell = document.querySelector("#colorWell"); colorWell.value = defaultColor; colorWell.addEventListener("input", updateFirst, false); colorWell.addEventListener("change", updateAll, false); colorWell.select();