Getting rid of mould stains on roof tent

[heidiboy]

Just bought a 2025 California Ocean and there are a few mould spots on the inner roof tent. Any advice for getting rid of them?

 

[heidiboy]

Sorry, in addition to the above, does anyone use any products on their roof to re-waterproof once clean? Seen Fabsil discussed on other forums but don't want to use stuff unnecessarily.

 

[Viktorgeorge]

Just bought a 2025 California Ocean and there are a few mould spots on the inner roof tent. Any advice for getting rid of them?

others have reported this (and it may pay to post on the subject to single string):

Mould on pop roof front panel Cali 6.1

Hello all. I’ve always ensured my pop roof is only lowered when it is completely dry and in 2 years I’ve never had an issue. However, when opening up the roof last weekend whilst on a trip I noticed that the inside of the bellows front panel had mould spots in the material. My van was in for a...

vwcaliforniaclub.com

Perhaps the problem is exasperated by the light internal colour? Though I suspect not, it is more likely related to the previous problem with leaks, given the newer (MY23 post September 2022) twin skinned fabric's ability to act like sponge (warning 182 pages):

Leaking pop tops on 2023 California Oceans

Looking for other peoples' experiences with the new double lined pop top roof (the one that is grey outside / cream inside), and any potential solutions to the problem of leaking though the seams and fabric. In the last week we've had complaints from customers on all four of our March 2023...

vwcaliforniaclub.com

Aquatex seems to be the fabric sealant of choice for the leaking problem. A solution to the mould does not appear yet to have been found. Amazon has a multitude of products:

Amazon.co.uk : canvas mould remover

Hopefully one will be found effective and posted here to assist other forum members with the same problem (which may be starting to manifest itself). A search on the forum under ‘mould’ also produces some interesting tips.

 

[sticky1]

Mild bleach works a treat

 

[Lambeth Cali]

Waterproofing canvas pop top

Hi there I’m looking at waterproofing the canvas pop top and was wondering if there are any products you would recommend or avoid? Also any pitfalls to watch out for and how often should you waterproof the canvas? Thanks Sent from my iPhone using Tapatalk

vwcaliforniaclub.com

 

[dspuk]

I just had somethinfg similar on my Land Rover Canvas - Cillit Bang Black Mould remover worked a treat.

 

[Lambeth Cali]

On a 2025 I think I might be a bit worried about how it got wet.
Ten years ago I got in the van and opened the roof hatch and a load of water fell on my head. I now park it in the same place but slightly uphill. Not happened since.