Mastic sealing strip 5m (19, 32 or 45mm wide)

W4 Mastic Sealing Strip is perfect for adhering those roof-lights or finding a solution against the dips and troughs of your campervan roof. 5m roll

A new generation of high performance WHITE butyl tape. As currently used by most caravan manufacturers. Formulated for the sealing and re-bedding of caravan and trailer tent fittings.

Suitable for use on aluminium mouldings, overlap joints, awning rails, exterior lights, window surrounds, grab handles and most external trims.