Thompson's Emergency Roof Repair Mastic has been developed from technology used on North Sea oil rigs, and is a trowel applied mastic with the ability to adhere to virtually any roofing material even underwater. With added fibres and a high solids content, it has been developed for filling, plugging and repairing cracks and splits, targeting leaks at the source of the problem

• An all weather solution, its hydrophobic formula actively repels and displaces water during and after application instantly forming a watertight seal that does not require time to cure before it delivers full weatherproofing protection
• Will adhere to virtually any material even under water
• Suitable for use on flashings, gutters, roof lights and valleys