Hello All!!

We just finished putting up a hard headliner in our commander 35.  Now that I sit back and look at it im wondering If I should have put insulation in before bolting the hard headliner down.  We made the headliner in such a way that i can be removed if need be (real pain in the butt though).

so my questions is:   Does anyone have any experience insulating their commander?  is it worth it to take my headliner back down and put in some insulation?  What type, the pink roof stuff? the 2 inch thick Styrofoam with the silver backing? 

Just wondering if anyone has done this sort of things and the results.  My goal is to help keep the heat out in the summer time and help keep the heat in in the winter time. 

Cheers!

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A few pictures of the Headliner

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I don't have a question to your insulation question, but would be curious what material you used for the headliner and how difficult it was to install.

P.S., you certainly like a nice bright cabin, don't ya?  No shortage of lighting in there!

I have been considering insulating if I ever get back to working on the headliner.  I think I will follow Quentin's lead using the poly-fill.

Tim

Gluing up the Buffalo Batts is pretty easy and not itchy at all, but spray foam insulation is the bee's knees. Lots more money, but lots more R-value, too.

If you don't insulate and you're in a place that freezes, condensation will form on the underside of the salon ceiling and drip. If it forms and freezes, it can drip a lot when it finally warms up. If you just jam foam board up there, it will be worse. The foam board has to be entirely air-tight sealed to the fiberglass roof to effectively act as insulation. Otherwise, it just exacerbates the condensation problem and the dripping gets worse...you will be somewhat warmer, though.

Don't even consider fiberglass. Any condensation that gets into it will stay there and promote mold.

We used 1/4 plywood with pre applied white Formica.  Install wasn't to bad but I will say If I Had to do it again I would do it before I stained and varnished the wood vs. afterward.  Scratched the heck out of the wood in a few places.  Kind of a tight space to be swinging 8 foot sheets of 1/4 ply.  We used mahogany wood strips on the seems for a seamless looking install. 

Regarding the lighting.  I think I went a little overboard but since every light is dual red/warm, I can either have it candle light dark or assembly floor bright.  Plus With all the reds on at the same time you can actually read a book.  Brightest boat I have ever been on but can also be made nice and dim. 

 
 
Matt Cowles said:

I don't have a question to your insulation question, but would be curious what material you used for the headliner and how difficult it was to install.

P.S., you certainly like a nice bright cabin, don't ya?  No shortage of lighting in there!

By Poly fill are you referring to the stuff from home depot in the can?  If so that stuff is a disaster to work with.

We live in sunny southern California and do not have any freezing weather we we are at.  We just want to keep the heat and cold out. 

I am also thinking of installing dynomatt (self adhesive sound insulation that also helps with heat).  It is self adhesive with a metallic backing and is flame resistant.  I don't want to put anything in that isn't somewhat flame resistant. 
 
Timothy Miller said:

I have been considering insulating if I ever get back to working on the headliner.  I think I will follow Quentin's lead using the poly-fill.

Tim

The insulation I was referring to is the polyester batting.

save yourself trouble by using A/C duct board.

Byron

I used AC duct board before in the ER of my old Connie. It did the job, but like all fiberglass insulation it's got its downsides. I wrote about the bang for the buck on Buffalo Batts a while back. I don't see how AC duct board would provide better bang, but it's easy enough to do the math.

https://1969chriscraftroamer46.wordpress.com/2015/01/30/1969-chris-...

Cheers,
Q

I have installed insulation on several boats at my shop . The type I like to use is called Sound Down . Its pricy but it is fantastic stuff. It has different layers of foam/ rubber and milar . Not only does it insulate but it has fantastic sound dedining and fire retardant properties. 

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