Wonderwall Barrier is a damp and cavity protection solution for external walls, designed for professional installation on domestic and commercial projects, including renovations. It delivers quick, straightforward application while preserving wall breathability and keeping moisture at bay.

• Quick and straightforward installation: Enables efficient application on-site, helping trades stay to programme with minimal disruption.
• Breathable yet moisture-resistant: Allows walls to dry naturally while blocking rain-driven moisture ingress.
• Durable, long-lasting protection: Formulated to resist weather exposure and maintain performance over time.
• Suitable for multiple wall systems: Compatible with brick, block, render and insulated cavity wall constructions, including timber frame with a cavity.
• Ideal for cavity walls, new builds and renovations: Effective in both retrofit projects and new constructions requiring a protective external barrier.

Wonderwall Barrier helps protect the building envelope from damp-related deterioration, supports stable interior conditions, and reduces the risk of on-site delays due to weather or moisture issues. By providing a breathable yet moisture-resistant layer, it facilitates proper drying and moisture management within common wall assemblies. The solution is suited to refurbishment work on existing cavities as well as new builds, making it a practical choice for professional installers seeking reliable, predictable performance across diverse wall types and project scopes.