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  #1  
Old 09-05-2015, 07:47 PM
Gonzo's Avatar
Gonzo Gonzo is offline
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Join Date: May 2007
Boat: 1998 MariStar 225VRS
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Tower reinforcement

As the cooler months approach I am starting to plan my tower install.

The company I bought the tower from recommended marine plywood under the gunnel with 3m epoxy to fill in the gaps as hull reinforcement. drill through, mounting plate goes nut,plate,wood,epoxy,hull. The idea being the wood is just flexible and large enough to help distribute and cushion the weight without being to soft.

I have read in a few posts here that kitty/tiger hair is the way to go, thicken the gunnel and then use more hair to "glue in" the backing plates that come with the tower. This would be more stiff than the wood and I cant figure out if that's good or not? Should there be a small amount of give like marine plywood to keep stress off the glass? Also if I do this would I thicken the mounting points before drilling or after? or drill first thicken and drill again? As I have never used the product I am not sure if it will adhere ot the existing glass or will it chip off when I drill it like a thin layer of concrete?

I know this is a lot of questions but I want to get it right the first time, I have searched here and the web and cant find direct answers to my questions... all the videos posted by the mfg companies don't get into reinforcement and only use their supplied backing plates. I guess so it looks easier.

Thanks in advance!
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98 Maristar 225VRS - "Frankenstar"
91 PS190 -Sold

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  #2  
Old 09-07-2015, 01:01 PM
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Lumbergh Lumbergh is offline
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Boat: 1991 ProStar 190
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Get a polymer cutting board. Business Costco sells large sizes for less than $20.

Cut it up to make reinforcements.

You can peruse my install here:

http://www.mastercraft.com/teamtalk/...ad.php?t=53224

Holding strong years later with no gelcoat damage.


YMMV.
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  #3  
Old 09-07-2015, 01:42 PM
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Gonzo Gonzo is offline
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Great write up, I will comb through it when I am off my phone

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91 PS190 -Sold

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