Is Fiberglassing Necessary?

by Jeff
(Sabastian FL)

Is it necessary to fiberglass over marine plywood for a boat used in salt water?

Both outside hull and transom as well as inside?

If it still needs to be fully encapsulated then why use marine grade when some exterior a/c uses the same glue as marine?

Only it has more voids.

jeff , skijjones@gmail.com

Comments for Is Fiberglassing Necessary?

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Apr 15, 2012
Inferior grade ply
by: Anonymous

Using lower grade ply is all very well as long as the fiberglass and epoxy never, ever get scratched.

If the protective sheathing gets damaged and water gets in to that inferior grade ply you’re in trouble.





Apr 15, 2012
In Praise of Marine Plywood
by: Mike

Marine plywood, contrary to the previous comment, is an excellent material for boats.
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As to glassing, that is only used to protect the wood, paint can do the same job.

Many years ago when I bought my very first little cabin cruiser, she was a plywood “Silhouette”.

It was a long time ago so I can’t remember the exact details but she must have been among the first to have been built to that design, she was a mature lady when I bought her.

She had not been built using epoxy or fibreglass nor had she ever been treated with any (the Gudgeon Brothers were probably still in short pants when she was built).

The only area I had to repair was a small patch of side deck which was replaced with a patch of painted, marine ply.





Apr 14, 2012
PLYWOOD
by: OCEANESC@KEYSYACHTS.COM

SIMPLE:

PLYWOOD IS GARBAGE WHEN USED ANYWHERE NEAR WATER.

JUST USE THE GLASS!





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