[Public-List] Strength of Mazonite

George Dinwiddie gdinwiddie at alberg30.org
Mon Jul 26 10:27:22 PDT 2010


Roger,

On 7/26/10 1:06 PM, Roger L. Kingsland wrote:
> Hi Folks,
>
> I will soon be installing the deck cleats on good old #148 and noticed in
> the current issue of Sail Magazine (pg 66) is a description of cleat
> mounting that recommends, with cored decks, cutting out the core around the
> bolt holes and filling w/ epoxy to avoid crushing the core when tightening
> the fasteners.  I am wondering if the Masonite core on our boats is strong
> enough in compression make the epoxy unnecessary?  What do the experts
> think?

Masonite is not very compressible.  It'll be fine, though I'd still 
recommend sealing the drilled holes with epoxy to prevent water ingress.

  - George

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