Black mould
+8
Doris
groundhog
Paramedic
Cymro
boxerman
gef
Paulmold
Mobroomfield
12 posters
The Auto-Sleeper Motorhome Owners Forum (ASOF) :: Auto-Sleeper Motorhome Forums :: Auto-Sleeper "Coachbuilt Motorhomes" Forum
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Black mould
Thank you everyone for helping with my last question. I now have another. We bought our Autosleeper in October and decided to give it a really good clean today. Horror of horrors the black mould that had been hidden by silicone has reared its ugly head. Any ideas on the best thing to use to clear this.
Mobroomfield- New Member
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Posts : 4
Joined : 2019-01-07
Location : Forfar
Auto-Sleeper Model : Devon
Vehicle Year : 2011
Re: Black mould
Lidl have mould remover in stock now. Never tried it myself so can't comment on its effectiveness.
https://goo.gl/images/X7rxgw
https://goo.gl/images/X7rxgw
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Paulmold- Donator
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Posts : 26584
Joined : 2011-02-21
Member Age : 73
Location : North East Wales
Auto-Sleeper Model : Sussex Duo
Vehicle Year : 2010
Re: Black mould
Try HE mould remover very effective. I suggest painting it on with a very small brush leave for 10 mins and wipe off. Then reapply and leave.
gef- Member
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Posts : 286
Joined : 2014-10-07
Member Age : 80
Location : ipswich
Auto-Sleeper Model : Warwick duo
Vehicle Year : 2019
Re: Black mould
I've used Milton to good effect.
Frank
Frank
boxerman- Donator
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Posts : 4491
Joined : 2011-08-21
Member Age : 77
Location : Preston Lancs
Auto-Sleeper Model : '95 Symphony
Vehicle Year : 1995
Re: Black mould
Another vote for HE.
PaulMold: can you, of all people, please change the title of this thread to "Mould"? I'd hate to blacken the name of lovely Mold!
Cymro
PaulMold: can you, of all people, please change the title of this thread to "Mould"? I'd hate to blacken the name of lovely Mold!
Cymro
Cymro- Donator
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Posts : 3683
Joined : 2011-06-05
Location : Caerdydd - Cardiff
Auto-Sleeper Model : Nuevo ES
Vehicle Year : 2015
Re: Black mould
Done.Cymro wrote:
PaulMold: can you, of all people, please change the title of this thread to "Mould"? I'd hate to blacken the name of lovely Mold!
Cymro
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Paulmold- Donator
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Posts : 26584
Joined : 2011-02-21
Member Age : 73
Location : North East Wales
Auto-Sleeper Model : Sussex Duo
Vehicle Year : 2010
Re: Black mould
Having cleaned the entire van (in outside storage) last September, I noticed several days ago the sealant about the roof line had gone black again. I usually use a toothbrush dipped in bleach to give it a good scrub. Those higher affected areas are aided by pushing the brush into the hollow end of a metre length of Gardman garden cane. Recall the sealant above the windscreen was black along the entire length when we bought the van at two years old and the bleach after a couple of applications cleaned it up a new. In future will probably use one of the recommend products as not sure if household bleach causes any damage long term.
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Paramedic- Member
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Posts : 2487
Joined : 2016-01-27
Member Age : 77
Location : Chichester West Sussex
Auto-Sleeper Model : Broadway FB
Vehicle Year : 2013
Re: Black mould
You will never get rid of it entirely, there are many different solutions and applications that will improve it but once the mould is in the sealant it is there to stay. The only real way is to remove the old sealant and replace it with a quality product, no wish to cast nasturtiums on A/S but in common with most manufacturers they use the cheapest sealant, not the best and hence it goes mouldy after a period of time!!
I intend to replace mine this Summer but it isn't a job for the feint hearted.
I intend to replace mine this Summer but it isn't a job for the feint hearted.
groundhog- Donator
- Posts : 6105
Joined : 2011-08-01
Location : Poldarkland
Auto-Sleeper Model : Worcester
Re: Black mould
Detox is very good on shower mould.
Doris- Donator
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Posts : 315
Joined : 2011-09-27
Member Age : 78
Location : East Lothian
Auto-Sleeper Model : Executive
Vehicle Year : 1992
Re: Black mould
I use Dettol mold remover in the shower at home, takes about two minutes to remove it.
Pete
Pete
breakaleg- Member
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Posts : 1163
Joined : 2011-06-01
Member Age : 68
Location : Birmingham
Auto-Sleeper Model : Nuevo Ek
Vehicle Year : 2021
Re: Black mould
Is the mould likely to damage the sealant?
I have used Lakeland's 'Blitz that mould'. I worry about using such a strong a cleaner in case it weakens the seal. Thanks for any advice.
I have used Lakeland's 'Blitz that mould'. I worry about using such a strong a cleaner in case it weakens the seal. Thanks for any advice.
oldfred- Member
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Posts : 576
Joined : 2013-07-28
Member Age : 77
Location : North West
Auto-Sleeper Model : nuevo
Vehicle Year : 2009
Re: Black mould
I have used HG mould spray and found it very effective it’s available from B&Q
https://www.diy.com/departments/hg-mould-remover-spray-500-ml/136829_BQ.prd
https://www.diy.com/departments/hg-mould-remover-spray-500-ml/136829_BQ.prd
NCB- Member
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Posts : 365
Joined : 2018-12-14
Location : Lake District
Auto-Sleeper Model : Clubman GL
Vehicle Year : 1997
Re: Black mould
Once the mould has taken hold of the surface of the sealant, it can be very stubborn to remove.
However, I have found a scrub with some white spirit, a toothbrush and a clean cloth to wipe the sealant after a few seconds will remove the mould along with the very top surface of the sealant which has been damaged and degraded by the mould. What you are left with is an "as new" surface. The deeper the incursion by the mould into the sealant, the longer you will need to allow the white spirit to soften the surface of the sealant. For particularly bad areas, you may need to go over it twice. I do it annually when I do a detailed clean of the motorhome (or previously my caravans) and the sealant has never suffered as a result.
Dennis
However, I have found a scrub with some white spirit, a toothbrush and a clean cloth to wipe the sealant after a few seconds will remove the mould along with the very top surface of the sealant which has been damaged and degraded by the mould. What you are left with is an "as new" surface. The deeper the incursion by the mould into the sealant, the longer you will need to allow the white spirit to soften the surface of the sealant. For particularly bad areas, you may need to go over it twice. I do it annually when I do a detailed clean of the motorhome (or previously my caravans) and the sealant has never suffered as a result.
Dennis
Dare-devil-dennis- Donator
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Posts : 465
Joined : 2017-10-20
Member Age : 74
Location : Derby
Auto-Sleeper Model : Bourton
Vehicle Year : 2020
Re: Black mould
groundhog wrote:You will never get rid of it entirely, there are many different solutions and applications that will improve it but once the mould is in the sealant it is there to stay. The only real way is to remove the old sealant and replace it with a quality product, no wish to cast nasturtiums on A/S but in common with most manufacturers they use the cheapest sealant, not the best and hence it goes mouldy after a period of time!!
I intend to replace mine this Summer but it isn't a job for the feint hearted.
Sorry but 40+ years of detailing boats, classic cars and even planes as a hobby tells me that all these remedies are like putting cream on your arthritis, it might make it feel or look slightly better but it will never solve the problem. I would be very careful with chemicals, some could easily damage the GRP or sealant.
Nothing at all wrong with any of the suggestions just be careful and be aware the root cause will not go away.
groundhog- Donator
- Posts : 6105
Joined : 2011-08-01
Location : Poldarkland
Auto-Sleeper Model : Worcester
Re: Black mould
I have tried all the snake oils, some mentioned above, to get rid of black mould in silicone so when Lady G bought cilit bang mould remover, I chastised her for wasting money and being conned by the advertisers!groundhog wrote:groundhog wrote:You will never get rid of it entirely, there are many different solutions and applications that will improve it but once the mould is in the sealant it is there to stay. The only real way is to remove the old sealant and replace it with a quality product, no wish to cast nasturtiums on A/S but in common with most manufacturers they use the cheapest sealant, not the best and hence it goes mouldy after a period of time!!
I intend to replace mine this Summer but it isn't a job for the feint hearted.
Sorry but 40+ years of detailing boats, classic cars and even planes as a hobby tells me that all these remedies are like putting cream on your arthritis, it might make it feel or look slightly better but it will never solve the problem. I would be very careful with chemicals, some could easily damage the GRP or sealant.
Nothing at all wrong with any of the suggestions just be careful and be aware the root cause will not go away.
Time to eat humble pie!
This stuff didn't get rid of the black mould completely but left it on to soak for 15 minutes and the result was way better then anything I have tried before. I am very surprised at how effective it was. Might even post some pics of before and after when it stops raining.
groundhog- Donator
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Joined : 2011-08-01
Location : Poldarkland
Auto-Sleeper Model : Worcester
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