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Jet Boats
General Jet Boat Discussions
Jetboat hull reinforcement, HDPE or UHMW?
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<blockquote data-quote="CedarRiverScooter" data-source="post: 474938" data-attributes="member: 15465"><p>Yes Foamular. I used it in under the floor of my boar, as did many others. </p><p></p><p>For your V bottom, I would get 1/2 inch thick & cut the profile for that height off bottom. You could 1st lay down strips lengthways to get it closer to level, leaving couple inch gaps for water to flow. Several more layers of 1/2 inch would be cut larger to fit the full inside profile. </p><p></p><p>A hot knife would cut the foam quickly, but you could also use box knife or oscillating tool.</p><p></p><p>I would use urethane caulk to glue the layers together (doesn't take much) but not until you are sure they fit!</p><p></p><p>The floor will be flat. The foam board will need a rigid cover, such as plywood or aluminium. </p><p></p><p>Make brackets to seat frames or ribs to hold the floor down, it is best if floor is removable for cleanout. </p><p></p><p>Leave a 1/2 in.gap between the rigid floor & the hull so it doesn't stress crack. </p><p></p><p>To make foam follow the compound curve of the hull would take a spray-on product, can't help there as that is above my pay grade.</p></blockquote><p></p>
[QUOTE="CedarRiverScooter, post: 474938, member: 15465"] Yes Foamular. I used it in under the floor of my boar, as did many others. For your V bottom, I would get 1/2 inch thick & cut the profile for that height off bottom. You could 1st lay down strips lengthways to get it closer to level, leaving couple inch gaps for water to flow. Several more layers of 1/2 inch would be cut larger to fit the full inside profile. A hot knife would cut the foam quickly, but you could also use box knife or oscillating tool. I would use urethane caulk to glue the layers together (doesn't take much) but not until you are sure they fit! The floor will be flat. The foam board will need a rigid cover, such as plywood or aluminium. Make brackets to seat frames or ribs to hold the floor down, it is best if floor is removable for cleanout. Leave a 1/2 in.gap between the rigid floor & the hull so it doesn't stress crack. To make foam follow the compound curve of the hull would take a spray-on product, can't help there as that is above my pay grade. [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Jetboat hull reinforcement, HDPE or UHMW?
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