Quote:
Originally Posted by Boulter
As insulation routinely exists in a metal boat (does it?) and routinely does not in fibreglass, am I best to focus on finding a metal boat that is already insulated ...
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Yes, every metal boat I have seen is insulated.
Classic fiberglass boats tend to have a thick
wood headliner. This is pretty good insulation by itself. There is often a ~1/4 to 1/2" air space between the headliner and the
fiberglass, since the headliner is screwed into battens that are in turn screwed into the fiberglass. I have heard of people removing the headliner to add insulation in this space.
To give you an idea of how big a
project this is, it took me about a day to remove the headliner in the
saloon of my previous 40' boat, and about two days to put it back. I didn't add insulation-- I did this to add backing for pad eyes on the
deck. The biggest problem was that I am no
carpenter, and could not get it to go back together as well as it was. There were gaps between the trim pieces, I didn't know how to replace the
teak bungs that hid the screws, and etc. Years later, in a different country with inexpensive labor, I paid a
carpenter to do it right.
Quote:
Originally Posted by Boulter
Plus I am still looking for headroom at 6'4" or (preferably) better. If I want to insulate a fibreglass hull I would be losing 2 inches of precious headroom that I already am having great difficulty finding.
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I am as tall as you are, and could only stand up straight on the centerline of the boat in the galley. With the curvature of the roof, and it's slight slope towards the bow, I had to cock my
head slightly, lean against something, or drop my weight onto one leg to curve my spine just enough so that my
head wouldn't hit the ceiling. I wondered if I would develop bad posture, but I didn't. Over time this became second nature and I did not even notice. The headroom at the sink was probably 6'2", and at the
stove more like 6'0", so it wasn't like I had to stoop too much.
Quote:
Originally Posted by Boulter
If I go with a fibreglass boat, ones I find most interesting are Whitby 43, CSY 44, and similar. These boats will or almost will have headroom, and I can probably afford to buy one. Anyone ever retrofit insulate a boat like these?
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If no one with one of those boats responds here, maybe write to their owners group. Someone there has certainly removed the headliner and can tell you how much space there is to add insulation.
I am not sure that you'd need an additional 2 inches of insulation. That sounds like quite a lot, especially if the fiberglass
deck is thick and there's already a
wood headliner. Where are you planning to go? You may find that it works well enough to have a sturdy
diesel heater.
Quote:
Originally Posted by Boulter
Maybe I could to hack in a 2x2 feet spot over the galley that is raised 4 or 6 inches above the rest of the boat so that I can at least stand in the galley
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As I said, I could not stand up straight in most of the galley. But it was not a problem since, under way, you tend to have to lean against something or spread your feet wide so that you can be stable while doing the dishes or
cooking.