Aquasport Model Rebuilds, Mods, Updates and Refreshes > Fiberglass and Materials Corner
Underside of Deck
umecheme:
So, I haven't used any polyester resin on the boat yet, and I'm considering using it for the underside of the deck. In this situation being a single layer of glass, do I need wax additive to the resin or a finishing resin, or can I use an unwaxed resin for this? I think I remember reading that it needs the wax to fully cure.
RickK:
So are you saying for everything under the deck or just the underside of the deck itself? If just a layer of glass, use waxed, it seals off the air and lets it harden.
umecheme:
Just the underside of the deck Rick.
mshugg:
You have 4 choices:
1 Use finishing resin.
2 Add wax to laminating resin (Making your own finishing resin).
3 Apply a coat of waxed gel coat over laminating resin.
4 Use laminating resin, then cover with PVA to seal it from air and allow full cure.
The first three options will leave a waxy surface film that must be completely removed before you glue your deck. PVA washes off with warm water, so there’s a bit less prep.
RickK:
Actually I was thinking gelcoat when I answered above. I don't remember adding anything to the poly when I used it.
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