Bostic Simson ISR 70-03 is a good compromise between an adhesive and a sealant. ISR 70-03 is suitable for making elastic constructive joints, which also require a high strength. ISR 70-03 is based on Silyl Modified Polymer (SMP). ISR 70-03 used with the Dual SMP® technology guarantees an increased and controlled cure speed and reliability in the production process and extends the application possibilities.

Ideal sealant to use on the Shower Skin To Wall Bonding, Repairs To Pantile Metal Roofs found on Modern Static Caravan.
Use for the sealing of roof cowls, skylights showers, sinks and flues