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Mushrooms on roof
Well, maybe not mushrooms but certainly fungi?  I put the eternabond on about 8 years ago.  Never had a leak but I decided to clean roof and noticed the beginnings of a fungi garden.  See attached picture.
I am trying to avoid removing Eternabond if possible.  I am thinking of cleaning with a brush and soapy water then wiping with a light bleach solution but I don’t want to apply any thing that might damage. 
Any one have any thoughts?
2006 MB

Re: Mushrooms on roof
Reply #1
Since you have not indicated your location, I'm guessing you live in the PWN or some other place with a wet climate.
Your roof has algae, common among LD owners who rigs live outside where it stays wet for long periods, such as in Oregon or Washington.
Soap and water, along with a collection of scrub brushes and a lot of elbow grease will remove the algae. There are other cleaning methods that I will let owners with this problem tell you about.
It's a problem we never face in SoCal, along with winterizing (higher altitude residents excluded).

Larry
Larry
2003 23.5' Front Lounge, since new.  Previously 1983 22' Front Lounge.
Tow vehicles  2020 Jeep Wrangler Rubicon, 2001 Jeep Cherokee
Photo Collection: Lazy Daze

Re: Mushrooms on roof
Reply #2
Having lived in WA for a while,,,
The algae I have seen on decks/roofs didn't really look like that, it was more spotty looking or looked like tiny green growth.
There are standard algae cleaning producs in the home improvement stores, typically put on and "scrubbed" with a push broom,

It is hard to tell from the pictures (not being 3D ones), if the eternabond edges are coming up some or if there is just brown stuff growing on top of it.

I would call the eternabond manufacturing folks, who are very helpful, and send them pictures and ask their opinions.

PS I heard while there to finish any mold cleanup with vinegar, not bleach as it left the spot at a PH that discouraged mold from coming back. I was not there long enough to fully test it out but I can tell you bleach doesn't prevent it from coming back.
Jane
Jane & Scott
Currently have a 1989 TK  LD we did a lot of upgrades on.
Bigfoot 25RQ Twin on order with early summer 2024 ETA

Our smartphone autocorrects into very poor English.
 We disclaim the illusion of ignorance this creates as we have enough ignorance we rightly claim.

Re: Mushrooms on roof
Reply #3
Hi Jack;  I get that same stuff on my roof. I believe it is dirt that collects, and the plants (in this case brown spongy stuff) grow on that. If the eternabond wasn't tightly down it will grow under seams. Bleach is chlorine based and will evaporate in just minutes. There may be cleaners that will leave a toxic (to the plants) film, but if really clean the plants won't grow on the eternabond.   I also get green moss on the down hill side or corner of my solar panels. Condensation of dew on the cold glass keeps it watered. I do clean my panels every few months, the ammonia in Windex, seems to keep growth down for a while. It's really the dirt that collects and stays damp and encourages plant life.     RonB
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB

 
Re: Mushrooms on roof
Reply #4
Thanks to everyone.  I am actually in Southern Cal but I keep my LD covered year round when not using.
I will go back up and try cleaning and scrape a little to see how it goes
2006 MB