Leak Sealing Solution: JENOLITE Stop Leak Sealer Spray provides a durable, waterproof seal for gutters, flat roofs, and more. Resistant to extreme weather, its easy to apply and offers long-lasting protection. Available in clear, black, or white.Made in Britain.SEALS & PROTECTSStop Leak Sealer Spray is a specially designed aerosol that can both fill in and seal joints in leaking guttering & pipework. Once fully cured it remains pliable and flexible for years to come.How to Use1. Prepare the surfaceRemove all loose dirt and debris from the area to be coated. If required, clean and thoroughly dry the area. Remove any previous surface coatings with a wire brush and / or abrasive paper.2. Shake vigorously before useShake can vigorously before use. Apply from 15cm to 25cm in light coats. Do not flood. Apply lighter coats to avoid runs. Apply 2 or 3 light coats, allowing 15 minutes to dry in between coats.3. Storage & ReuseOn completion of use, invert can and depress actuator for a few seconds to prevent nozzle blockage. This aerosol should be stored out of direct sunlight, in a cool well ventilated place.Consult the safety data sheet before use.