SEALING YOUR VAN FEATURE
A while ago I came across a caravan that looked like someone had taken a brickie's trowel and applied silicone 30mm thick at every sealing point on the roof. I am not talking about a thin him 30mm wide – I mean it was 30mm thick sitting on top of the roof. It got me thinking, is more always better?
I kicked this question around with a couple of my colleagues at Caravan World and it triggered a bunch of other questions. Is the stuff used all over caravans actually silicone or is it something else? To what extent do these products act as adhesives versus sealants? What processes are important to optimise sealing and bonding? How do substrates work in conjunction with sealants and adhesives? Should sealants be replaced over time?
It's such an important topic because we suspect water ingress is the most common cause of the demise of a caravan. And we have to throw in dust ingress as potentially one of the most annoying things you
