3000 Series Polymeric Membranes

The ultimate waterproofing polymeric membranes for lasting protection

Prevent water damage with Belzona polymeric membranes

Our advanced waterproof polymeric membranes provide reliable protection against moisture penetration, helping to maintain the durability and longevity of your building or structure. The 3000 series is engineered to withstand harsh weather conditions and protect against leaks, water damage, and mold growth.

Belzona 3111 (Flexible Membrane) packaging
Flexible Membrane
A single-component, liquid-applied roof coating for long-term roof protection and waterproofing
Belzona 3121 (MR7)
MR7
A liquid-applied emergency roof repair material providing instant waterproofing of leaking roof areas
Belzona 3131 (WG Membrane) packaging
WG membrána
A liquid-applied roof coating for long-term protection and waterproofing of roofs which can be applied during winter weather conditions
Belzona 3211 (Lagseal) packaging
Lagseal
A single-component, seamless and flexible coating for encapsulation of all types of thermal insulation and cladding systems
Belzona 3412
Flexible and peelable system, used for encapsulating flanges and bolt fastenings to protect against moisture ingress and prevent corrosion.
© 2025 DBR Associates. All Rights Reserved