Interoir Insulation

C

CYQK

.
Sep 11, 2009
605
beneteau first 42 kenora
Have this foiled backed thin insulation on my shop door that works well keeping the cold out in winter and the heat out in summer

Am doing lots of interior work on the boat and thought why not glue this stuff on to keep the heat out and help reduce condensation

Good idea/bad idea?? Anyone done this with results?

Thanks

Gary
 
kloudie1

kloudie1

.
Nov 6, 2006
10,215
Hunter 34 Mandeville Louisiana
The only downside is that if moisture gets trapped between the insulation and the hull, you'll have a moldy, stinky mess after a year or so. The insulation would have to be tightly sealed to the hull somehow.
 
Charlie Jones s/v Tehani

Charlie Jones s/v Tehani

.
Mar 1, 2012
2,182
1961 Rhodes Meridian 25 Texas coast
I've had 1/2 inch foil backed foam insulation behind the ceilings in my boat for 6 years now- works great.. Zero problems with condensation between hull and insulation, and I've been in some COLD temps. Like living aboard in 23 degrees:cry:

The cabin top is not insulated, solid glass, and IT gets condensation, but the hull sides are fine
 
2

2sticks

.
Nov 18, 2013
54
Oday 32 Ketch North Fort Myers, FL
I used it on a Vivacity 20 and a Willard 8 Ton with good results. The cabin in my Vivacity was approx. 15 - 20 deg. cooler than original.
 
WayneH

WayneH

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Jan 22, 2008
1,121
Tartan 37 287 Pensacola, FL
Gary,

I think you are talking about the "Styrofoam" insulation with the foil backing. I've got half a project done on my cabin top. I laid these panels in between the fiberglass and the overhead. My overhead is screwed down to 1/2" stringers so I already had air space insulation. And yes, you can really tell the difference between port and starboard. Just one of the many projects to finish this year. But NOT having the sun's heat blasting into the main salon is definitely a benefit while anchoring out.
 
C

CYQK

.
Sep 11, 2009
605
beneteau first 42 kenora
this stuff on shop door is about 3/8 thick and is flexible almost looks like bubble wrap

was planning to use spray adhesive to eliminate gaps i think that gaps could be a bad thing mold=bad

Any other potential problems?

Gary
 
dscribner

dscribner

.
Nov 9, 2008
1,338
Pearson-O'Day 290 Portland Maine
If you're worried about condensation, consider Aerogel mat. It has an incredible R-factor and is hydrophobic. I seriously doubt that condensation would be an issue. Cost might be, but not condensation.
 
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