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A Knaus that has taken in moisture along the roof edge or roof hatch often first shows a musty smell and only later visible stains on the ceiling.
A Knaus that has taken in moisture along the roof edge or roof hatch often first shows a musty smell and only later visible stains on the ceiling. Therefore, always have a professional damp reading carried out first to map out the extent of the damage. With Knaus, especially roof edges, roof hatches and window rubbers are prone to leaks, certainly on models from before 2010. Depending on the severity, repair is possible, but with extensive rot in the wall or roof, selling is often the more sensible choice.
Knaus campers are generally well built, but no brand is immune to water damage. Especially models from before 2010 can suffer from leaking roof seams and aged sealant, while more recent examples sometimes have problems with the sealing around roof hatches. A damp reading will immediately give you clarity about the extent and the best approach.
Water damage is one of the most common problems with campervans, and Knaus is no exception. The first step is always a thorough moisture measurement. This will tell you whether there is active moisture in the walls or roof, and how far it has already penetrated. If in doubt, it is worth calling in a specialist, because moisture problems rarely get better on their own.
With Knaus campervans, we mainly see problems in practice at these locations:
Knaus generally scores similarly to other mid-range brands in terms of water tightness. The build quality is fine, but maintenance and age are decisive. A campervan that has always stood outside without regular sealant checks simply runs a higher risk.
Small leaks can often still be fixed easily: replace sealant, renew a rubber, or reseal a roof hatch. But once moisture has got into the insulation or wood, it becomes a different story. Then the wall or roof has to be cut open, and that quickly costs thousands of euros. Moreover, after a repair there always remains an increased risk of recurring problems.
If the damage is too great or the repair costs are no longer proportionate to the value of the campervan, selling is a sensible choice. Even a Knaus with water damage still has a residual value, especially if the technical base is good. Would you like to know what your campervan is still worth? Then check our page on market value of a motorhome or go directly to sell your Knaus for a no-obligation valuation.
Frequently asked questions
Have the value of your Knaus calculated free and without obligation, even with water damage. We take over campers in any condition.
