Perfect for Gutters & Rooves. Multi-Surface 400ml Clear Leak Sealer Spray. Stop Leak Sealer Spray provides advanced, long-lasting leak protection for gutters, flat roofs, and more. This waterproofing sealant can be trusted to act as an instant leak sealer, making it the ideal choice for fast-fix repairs for guttering, flat roofs, shed roofs, drain pipes, caravans, and beyond.
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