W4 Narrow Mastic Sealing Strip White, 5m x 19mm

WATERPROOF BUTYL SEAL – High-performance W4 white butyl mastic tape forms a waterproof seal around caravan and motorhome fittings, helping protect joints, trims and exterior fittings against water penetration. REMAINS FLEXIBLE – Specially formulated butyl sealing strip remains flexible throughout its service life, helping accommodate normal movement around caravan and motorhome fittings without hardening or cracking. CARAVAN & MOTORHOME USE – Designed for sealing and re-bedding rooflights, vents, awning rails, window surrounds, exterior lights, grab handles, aluminium mouldings, overlap joints and external trims. UV RESISTANT & HIGH ADHESION – Good UV resistance provides long-lasting performance for exposed exterior applications, while excellent adhesion helps create a secure and reliable seal. 19MM x 5M NARROW SEALING STRIP – Supplied as a 19mm wide x 5m roll, providing a practical narrow sealing width for smaller caravan and motorhome fittings, trims and joints.