Not a problem being new to this, don’t put foam in the mast as it will absorb water and make righting your cat harder, cover every rivet or hole in the mast with silicone and make sure it’s water tight and that is better than foam as the foam only floats the mast due to the air inside it


Jeff Southall
Current boats
Nacra 5.8 1703 Animal Scanning Services
Nacra 5.8 1667 Ram Raider
Nacra 18 Square
Arrow 1576