Thompsons Emergency Roof Seal gives instant all weather protection & repair to a variety of roofing materials. The hydrophobic coating cures to form a flexible, weatherproofing membrane which repels moisture to repair & seal the substrate. The flexible formulation contains added fibres for superior tensile strength & crack bridging qualities ensuring a tough repair to leaking & damaged roofs. The breathable formulation repels moisture & ensures trapped moisture can escape from within the substrate. Thompsons Emergency Roof Seal is an all weather solution & has been engineered for application in all weather conditions; the advanced hydrophobic formulation repels water allowing application on wet or dry surfaces & can even be applied underwater ensuring immediate protection against the elements.