Thompson\'s Emergency Roof Seal gives instant all weather protection and repair to a variety of roofing materials. The hydrophobic coating cures to form a flexible, weatherproofing membrane which repels moisture to repair and seal the substrate. The flexible formulation contains added fibres for superior tensile strength and crack bridging qualities ensuring a tough repair to leaking and damaged roofs. The breathable formulation repels moisture and ensures trapped moisture can escape from within the substrate. Thompson\'s Emergency Roof Seal is an all weather solution and has been engineered for application in all weather conditions; the advanced hydrophobic formulation repels water allowing application on wet or dry surfaces and can even be applied underwater ensuring immediate protection against the elements. Available in: 1L or 2.5LShade: Black.The Thompson\'s RSLTERS1L is supplied in a tin with re-sealable lid. Size: 1 Litre.