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PostPosted: Mon Jul 13, 2015 11:20 am 
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Site Rank - Deck Hand

Joined: Mon Jul 13, 2015 10:50 am
Posts: 3
Hobie 16
1986 vintage

When I open the drain hole on my port hull, small bits of plastic sheeting come out, and sometimes they partially block the flow.

I'm guessing it's plastic sheeting used to lay up the initial construction. But, if anyone knows this to be an initial sign of interior delamination, I'd like to hear about it.

The hull has no holes that would allow the plastic to have been inserted after original construction. I suppose someone could have stuffed some plastic in through a stanchion, but that doesn't make sense to me.

Anyone?


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PostPosted: Thu Jul 16, 2015 11:58 am 
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Site Rank - Old Salt

Joined: Mon May 24, 2004 10:33 am
Posts: 508
Location: Clinton, Mississippi
I've seen that before, and I'm sure it has nothing to do with delam. I could be wrong, but I believe the foam floatation blocks inside the hulls were originally covered in a plastic sheeting which has obviously deteriorated. Other than keeping the drain holes open, that would be the least of my worries on an older boat. If she's otherwise sound, forget about that and sail her hard!

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Jerome Vaughan
Hobie 16


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PostPosted: Fri Jul 17, 2015 9:45 am 
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Site Rank - Old Salt

Joined: Mon May 09, 2005 10:25 am
Posts: 3306
Location: Jersey Shore
It is the bag for the foam flotation block inside the hull. It is only needed during the hull manufacturing process to keep the flotation foam from contacting the polyester resin used to build the hull. The bag will deteriorate after many years. Pull as much of it out as you can so it does not trap water inside the hull. The pieces of the bag inside the hull are not a sign of delamination, but if you are unable to fully drain water from the hulls, that could end up causing problems in the future.

sm


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