An oil-based mastic for sealing around windows and doors. Also used for sealing gutters, roofing screws, etc. • 100% waterproof • Polymer reinforced – increases performance life • Excellent adhesion to a wide variety of surfaces • Non hardening / good flexibility • Solvent free • Non shrinking • Very good durability • Paintable once a skin has formed - Uses / Applications • Sealing of asbestos, PVC, galvanized iron and aluminium gutter sections & down pipes • Sealing overlap joints of roofing sections, air duct joints and seams • Sealing of windows and door frames • Sealing of roof bolts • Placing window sills, frames and other fittings where a waterproof seal is needed • General pointing and joint sealing • Exhibits excellent adhesion to a wide variety of surfaces used in the construction industry e.g. fiberboard, metals, plaster, concrete, wood and glassOther Information • Must not be used in contact with bituminous surfaces • Not suitable for floor joints • Not recommended for medium and high movement joints • Not suitable for continuous immersion in water • Not for use where strength from sealant is needed - Sizes 310ml cartridge, 410ml Cellopak.