Water ingress is something all ’van owners fear. Aesthetically sound leisure vehicles can be consumed by damp and mould without anyone knowing. But there’s no need to despair, for salvation is at hand!
Of course, 100% body integrity is the Holy Grail for coachbuilt makers, but despite their best endeavours over decades of building leisure vehicles, the problem hasn’t been eradicated.
These days, the evolution of some impressive new materials and clever construction methods has helped to improve things quite dramatically, although driving a big box along our pothole-riddled roads can still reveal nasty flaws in a motorhome’s build, even in this age of aviation-quality adhesives and sealants.
WHAT’S THE CAUSE?
There are many ways water can find its way through the panels of a coachbuilt and into its internal structure.
In fact, any screw-hole, panel joint seal, window aperture or other type of addition to the vehicle’s walls has the potential to let water through.
Until about a decade ago, traditional methods of construction meant
