- UV stable for external applications.
- Compatible with tile finishes, concrete, render and masonry toppings.
- Compliant to NZS4858:2004 for use in internal & external wet area applications as a Class III Membrane.
Bastion Exterior Waterproofing Membrane is a high-performance, fibre-reinforced, water-based waterproofing membrane designed for a wide range of internal and external waterproofing applications. Suitable for both under-tile applications and as an exposed finish in external areas, it forms a flexible and durable waterproof barrier that helps prevent water ingress. Its UV-stable formula is ideal for wet areas, balconies, decks and other external applications where long-lasting waterproof protection is required.