The 4.25 litre Black variant of Ronseal Isoflex High-Performance Liquid Rubber is the largest size available, making it the economical choice for extensive roofing projects or contractors working on multiple jobs. This generous capacity ensures you have sufficient product for larger roof areas without the need for multiple containers. Formulated with advanced liquid rubber technology, this waterproofer delivers 5 times greater flexibility than conventional bitumen coatings, providing exceptionally long-lasting protection. The tough, durable black coating will not crack, perish or peel, making it perfect for demanding commercial and domestic applications. Features and Benefits: • 4.25 litre capacity for larger roofing projects and better value • Professional black finish for superior aesthetics • Adheres to virtually all roofing surfaces • 20 year performance with correct preparation and application • Impervious to all weather conditions • Forms a permanent flexible waterproof coating Specifications: Seal Type: Roof Seal Size (L): 4.25 Colour: Black

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