Forums > Stand Up Paddle Foiling

Foam filled mast?

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Created by FoilColorado > 9 months ago, 10 Jun 2019
FoilColorado
132 posts
10 Jun 2019 11:58PM
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has anyone filled their alum mast with expanding foam? Seems like a good way to increase buoyancy and decrease water (weight) build up in mast.

Piros
QLD, 6879 posts
11 Jun 2019 9:57AM
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No it will hold water just bung it like Axis or seal with Sika flex.

anders884
54 posts
11 Jun 2019 1:41PM
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FoilColorado said..
has anyone filled their alum mast with expanding foam? Seems like a good way to increase buoyancy and decrease water (weight) build up in mast.


No good, the expanding (Builders) foam will suck up the water and then you have trapped saltwater in an Aluminium mast. If you use Sika (Silicone) make sure you get all holes and possibly the ends of the screw holes. Water seems to leak in everywhere. Silicone is used to glue aquariums so it is just a matter of sealing all ends.



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"Foam filled mast?" started by FoilColorado