T&T: installing Cleats

[Otis via Trawlers-and-Trawlering]

Hello all:

Have a 15' Boston Whaler that I need to install mid-ship cleats.

These will be used only to dock against Palmetto Moon's swim platform,

There is no access to put a backing plate under the cleat area.

Also, the way the side curves, no way to put a round inspection plate.

What is the wisdom of the group as to the install?



Jim Cobb

Palmetto Moon

864-921-4304

MTOA-3774







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[Joe Benson via Trawlers-and-Trawlering]

Check here for where wood backing plates are in the hull.
http://continuouswave.com/maintenance-logs/bimini/graphics/woodLocateDiagram15Whaler.jpeg


Joe Benson
W 931.424.2918
C 931.580.1533
H 931.363.2069

[Rudy and Jill via Trawlers-and-Trawlering]

Good question Otis. If there is no way to get to buried wood or metal plates where you want the cleat to go, I'd suggest this: the holes be drilled oversized, the interior foam dug out for a good bit around each hole and then 5 minute epoxy spread around in the dug out areas to seal the foam.

How big to make the dug out, who knows, but any increase in size will add more strength than if you just drill a hole and screw in a fastener.

I don't know if the foam that is used in these boats will melt when epoxy is poured in or not, but by using 5 minute epoxy and waiting a long as is possible before it starts to harden and then coating the inside of the hole with it, minimal melting will occur, if any. Then, once the 5 minute epoxy has hardened, then fill the hole with regular epoxy, using microfibers to strengthen it. Silica can also be added if you want to minimize flow.

Maybe someone else has an easier idea.

Rudy and Jill

Briney Bug- a 34 foot sail-assisted trawler
850-832-7748

[Mark Richter via Trawlers-and-Trawlering]

Boston Whalers are filled with urethane foam, which is not attacked by epoxy resin. Nor is it attacked by polyester resin.

I'd try drilling the holes 2-3 times the diameter of the screws you will be using. Coat inside the holes with unthickened resin, using q-tips. Then thicken the remaining resin with glass fibers and thicken to taste

> How big to make the dug out, who knows, but any increase in size will add more strength than if you just drill a hole and screw in a fastener.
>

> I don't know if the foam that is used in these boats will melt when epoxy is poured...