Quote:
Originally Posted by SkunkBoat
When you get water intrusion from a screw hole in parquet it ruins 1 square. When you get water intrusion from a screw hole in a sheet of plywood it eventually ruins the whole sheet.
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X2 When I redid the underside of my deck on my V21 I used as much scrap plywood as I could find, for that very reason. (I was counseled by my friend that owns a marina and knows these sort of things). His advice was pretty much what Skunk just said.. don't use full sheets, use pieces instead, as it will be stronger and last longer. And don't forget...SEAL the underside before you button it up, and VENT it with hatches open when it's stored.
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1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer
1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer
1996 V21 w/1993 200HP Mercury on a Shoreline Trailer
All towed by a 5.7L Hemi Durango.
If God didn't have a purpose for us we wouldn't be here, so
Live simply, Love generously, Care deeply, Speak kindly.
(Leave the rest to God) 
Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless.
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