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1970 Mirrocraft deck replacement. The foam under the deck?
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<blockquote data-quote="jigngrub" data-source="post: 352686" data-attributes="member: 6657"><p>The foam doesn't add stability, that comes from the hull design.</p><p></p><p>The foam won't make your boat float higher in the water when the boat isn't swamped, but wet foam will make it sit lower because of the weight.</p><p></p><p>The foam does support your deck and adds a certain amount of structural stiffness to your boat.</p><p></p><p>You can skip the sheet foam and install new urethane foam like the old stuff in your boat so you can get the same benefits from it.</p><p></p><p>The foam is a 2 part expanding urethane foam that you mix up and pour, I suggest the 4 lb. density because it's more water resistant than the 2 lb. This is the best price on the internet I've found for it:</p><p>https://www.uscomposites.com/foam.html</p><p>They also have the best price on the 2 part epoxy resin.</p><p></p><p>This is an entertaining vid on the 2 part foam:</p><p>https://www.youtube.com/watch?v=zAIY0I5GGw4</p></blockquote><p></p>
[QUOTE="jigngrub, post: 352686, member: 6657"] The foam doesn't add stability, that comes from the hull design. The foam won't make your boat float higher in the water when the boat isn't swamped, but wet foam will make it sit lower because of the weight. The foam does support your deck and adds a certain amount of structural stiffness to your boat. You can skip the sheet foam and install new urethane foam like the old stuff in your boat so you can get the same benefits from it. The foam is a 2 part expanding urethane foam that you mix up and pour, I suggest the 4 lb. density because it's more water resistant than the 2 lb. This is the best price on the internet I've found for it: https://www.uscomposites.com/foam.html They also have the best price on the 2 part epoxy resin. This is an entertaining vid on the 2 part foam: https://www.youtube.com/watch?v=zAIY0I5GGw4 [/QUOTE]
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Boat House
1970 Mirrocraft deck replacement. The foam under the deck?
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