Poly Tanks Leak Fumes
 

On another forum, I read yesterday that poly tanks do leak fumes...enough to have filled up a guy's bilge, then he was rewirin' pump(didn't disconnect battery) and BAM!...'bout blew his head off...

Has anybody heard or encountered poly tanks emitting fumes?...

Re: Poly Tanks Leak Fumes
 

I find it hard to believe that a structurally sound poly tank could leak fumes. Polyethylene has been used for gasoline storage for many years now without problems. I could understand if there was a seam that was compromised, or a fitting loose, etc.
I don't know, but that's just my opinion.

Re: Poly Tanks Leak Fumes
 

CB...I was surprised too, but there's a long thread on Hull Truth(Almost blew my boat up today) says molecular structure of poly material(over my head) allows fumes to seep thru....I'd sure like to see a definative answer on this...

Re: Poly Tanks Leak Fumes
 

I can not give a definite answer on this, however, I have heard that that they can leak fumes right through the plastic. I was always curious why I could smell gas in my cuddy, when I know I didn't have any leaks.

Re: Poly Tanks Leak Fumes
 

Just Great!! I just added a 25 Gal tank to my boat this spring!! Thats all I need :o

Re: Poly Tanks Leak Fumes
 

MJ, if your new tank is not in an area that will CONTAIN the fumes, don't worry about it

Re: Poly Tanks Leak Fumes
 

its in the bildge!! were the old I/O use to be. O well if anyone heres a bang think of me!! :o

Re: Poly Tanks Leak Fumes
 

Thanks,Iwas wonderin why all the new boats at the marina keep blowin up. ;)

Re: Poly Tanks Leak Fumes
 

well at least my motor isn't near the tank anymore!! And I never disconected the blower!!

Re: Poly Tanks Leak Fumes
 

Here is a link that refers to poly tank's permeability. I had a 12 gal tempo tank on my Gruman and never smelled anything.
http://www.solvay-fluor.com/market/a...000276,00.html

Re: Poly Tanks Leak Fumes
 

Thanks Mac...that's the kinda info we need to see...they are saying seepage of 20g daily from average tank... is "g" grams or what?...

Re: Poly Tanks Leak Fumes
 

Mj...any wiring, pumps or other electrcs(spark makers) in that bilge?...don't wanna unduly concern ya, but gas fumes SINK to bottom of whatever space they occupy...I'd hate to see ya have a problem one day when auto-bilge pump comes on w/fumes present, bilge go POOF... :o

Re: Poly Tanks Leak Fumes
 

Mj has forgotten what a bilge pump looks like ;D :-*

Re: Poly Tanks Leak Fumes
 

I have one of them bike type pumps that CB held on to for dear life when we went out last time!!! LMFAO!!! ;D

Re: Poly Tanks Leak Fumes
 

Well, your'e in great shape...them thangs don't make no sparks!....