K12 redefines wall repair speed. Initial set in just 30 minutes, final set in 1–2 hours, and ready for puttying, sanding, or painting in 2–3 hours — that's 80% less waiting time compared to traditional cement mortar. No more leaving a job site for days just to let patches cure. Mix it up, apply it, and move on to the next step the same day. With 17–18 kg/m² at 10mm thickness and a 25kg bag, you've got everything you need to knock out wall repairs in record time — faster turnaround, more jobs per week, better bottom line.
K12 delivers professional-grade results that last. Its high-bond formula penetrates deep and locks onto concrete, brick, plasterboard, and more — 1.5+ MPa tensile bond strength means no hollowing, no delamination, no call-backs. Reinforced with anti-crack fibers and polymer modifiers, it flexes with substrate movement instead of cracking, and ≤0.3% shrinkage ensures a smooth, crack-free finish. Whether you're filling a 3mm hairline crack or a 30mm deep hole, K12 handles it all in one product — versatile, reliable, and built to outlast the wall itself..
K12 works as hard as you do, without the hassle. High water retention and excellent workability mean it goes on smooth, doesn't sag on vertical surfaces, and trowels to a perfect finish with minimal effort — even for less experienced applicators. Its non-toxic, odorless formula is safe for indoor residential use, so homeowners and contractors alike can work comfortably without worrying about harsh fumes. Backed by German technology and ISO 9001 certified quality, K12 is the smart, safe, and dependable choice for all your wall repair projects.
If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.
