CNPW's "2+2 Dual-carrier Double-lap Waterproof System"
Powered by 38 years of China LESSO's technological expertise,
it's gaining rapid industry recognition through proven performance.
LS-D550 "2+2" Double-lap Pre-applied Waterproof Membrane
Innovatively engineered with:
PE100-RC ultra-tough crack-resistant polyethylene film
Dual-layer carrier: Long-fiber polyester mat + customized polyethylene mat
Premium modified asphalt coating
Protective mineral granules (upper surface)
Release film (lower surface)
Revolutionary Construction Advantages
✅ Rebar-ready surface
Eliminates need for protective layer—directly bind rebar and pour structural concrete.
✅ Five-in-one waterproofing
Single-application solution outperforms traditional pre-applied membranes.
(Product cross-section illustration showing dual-carrier structure)
（LS-D550“2+2”双胎双搭接新型湿铺防水卷材产品结构）
Core Innovations
1️⃣ Dual-carrier System
LESSO-customized PE100-RC polyethylene carrier (superior crack resistance)
High-strength polyester carrier
Solves tearing risks at detail joints
2️⃣ Double-lap Technology
Single-sided self-adhesive lap + double-sided self-adhesive lap
Interlocking "embedded bonding" for 200% stronger seams
