Tough Seal is our damp-proof coating for walls troubled by moisture and seepage.
It forms a watertight barrier that keeps dampness out, helping to prevent damp patches, peeling paint and the musty smell that comes with them.
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Inspired by the cactus that holds water without ever letting it escape, Tough Seal forms a watertight barrier that keeps dampness out and your walls dry.

Inspired by nature
A cactus holds on to every drop of water and never lets it escape. Tough Seal turns that idea around: a watertight barrier that keeps moisture out of your walls for good.
Tough Seal is our damp-proof coating for walls troubled by moisture and seepage.
It forms a watertight barrier that keeps dampness out, helping to prevent damp patches, peeling paint and the musty smell that comes with them.
Keeps moisture from working through the wall.
A tough seal that lasts.
Helps stop peeling, bubbling and patches.
Drier walls for fresher indoor spaces.
*Actual coverage, drying and coating performance may vary with surface condition, porosity, colour, application method and weather. Always follow the instructions on the pack.
Fix leaking pipes, cracks or gaps that let water in.
Scrape off damaged paint and plaster, clean and let the wall dry.
Mix as directed and apply Tough Seal evenly across the area.
Apply further coats as directed, then your chosen finish.
Moisture from rain, plumbing leaks or water rising from the ground can soak into walls and show up as patches, peeling or a musty smell.
Yes. Find and fix the source of the water, and let the wall dry, before applying Tough Seal.
Dampness is a common cause of peeling and blistering paint. By keeping moisture out, Tough Seal helps your finish coats stay in place.
Tell us about your project and we’ll help you choose the right finish.