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#1
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Insulation for aluminum sailboat
Hi,
I'm about to start building a 37ft Van de Stadt from an aluminum kit. One area of boatbuilding that seems to get skimmed over in all books is insulation. I have access to sheets of polystyrene. Is this any good for metal boats? Or should I stick with polyurethane? I'm also investigating a Swedish product called Moniflex which is used extensively in passenger trains because it's light, fire-resistant and flexible, which sounds perfect for boats. Does anyone know anything about it? Many thanks Rogermac |
#2
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I remember some news about fires on passager ships
that the toxic fumes of burning or heated insulation material was one of the main cause of casualities. Check the materials you want to use. -lauri Roger Mcmillan wrote: Hi, I'm about to start building a 37ft Van de Stadt from an aluminum kit. One area of boatbuilding that seems to get skimmed over in all books is insulation. I have access to sheets of polystyrene. Is this any good for metal boats? Or should I stick with polyurethane? I'm also investigating a Swedish product called Moniflex which is used extensively in passenger trains because it's light, fire-resistant and flexible, which sounds perfect for boats. Does anyone know anything about it? Many thanks Rogermac |
#3
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Rodger,
This is a dilemma that I'm fighting with now. It is more important in a steel boat, but the problem is the same. I think you will find that the sprayed urethane foam is superior because of it's ability to seal off the damp air from the cold metal surface much better. If you were to us sheet foam, you will also have to provide an airtight vapor barrier as well to prevent condensation. In both cases, please realize that the foam surface must be painted for fire retardation and liquid absorbtion reasons. Steve "Roger Mcmillan" wrote in message ... Hi, I'm about to start building a 37ft Van de Stadt from an aluminum kit. One area of boatbuilding that seems to get skimmed over in all books is insulation. I have access to sheets of polystyrene. Is this any good for metal boats? Or should I stick with polyurethane? I'm also investigating a Swedish product called Moniflex which is used extensively in passenger trains because it's light, fire-resistant and flexible, which sounds perfect for boats. Does anyone know anything about it? Many thanks Rogermac |
#4
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There is a flexible liner that burns real good and produces hydrogen
cyanide when it burns . It was responsible for a large percentage of deaths on a recent cruise ship accident. On this ship it was used to cover the asbestos liners on most of the walls. obviously to be avoided like the plague. |
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