Engine Room Heat Shielding

[kparry]

I have an inboard diesel. The engine bay is framed of plywood. I figure it would be ideal to have a non combustible heat shield lining the engine compartment. I'd also like a material that is somewhat light reflective as the bay is obviously very dark. Any suggestions? Thank you.

[DeepFrz]

Check out Soundown.

[delmarrey]

There is a engine room foam for noise and heat reflection that works really well. Installed in my boat and I can only hear the vibration now.

https://www.fisheriessupply.com/soun...rier-composite

[UNCIVILIZED]

Heat shielding, or sound? How well is the space ventillated, & by what means? And how much room is there for the insulation? Since some is but a few millimeters thick, while other stuff's a few inches thick? Also, one other important question, is do you want to use a product which is firm to the touch, or soft, like the lead foil/foam stuff, as pictured above. Oh, & the other question to ponder, is how moisture resistant does it need to be? Since various brands & types span the full spectrum of how much water, & or, oil/fuel that they'll absorb. Which is kind of important to factor into things.

[Reefmagnet]

Sound insulation with foil would fit the bill. If some level of fire protection is required, fire rated ceiling tiles work a treat. They seem to be commonly used to line engine compartments. And cheap as chips, too; although they can be a bit crumbly.

[rbk]

Originally Posted by Reefmagnet

Sound insulation with foil would fit the bill. If some level of fire protection is required, fire rated ceiling tiles work a treat. They seem to be commonly used to line engine compartments. And cheap as chips, too; although they can be a bit crumbly.

I'm not a fear monger about asbestos, but a lot of the old ceiling tiles have high concentrations of asbestos, and if you have old crumbling ones I'd take them out to avoid them being aerated around your boat by a belt or likewise. Like the look of that foil faced foam with adhesive backing. Never gave thought to the foil adding to the available light in the engine compartment (cave/hole)

[Cheechako]

Originally Posted by delmarrey

There is a engine room foam for noise and heat reflection that works really well. Installed in my boat and I can only hear the vibration now.

https://www.fisheriessupply.com/soun...rier-composite

^^^^^Reflective, heat and sound shielding. It's what you need. Available in different thicknesses.

[delmarrey]

Originally Posted by Cheechako

^^^^^Reflective, heat and sound shielding. It's what you need. Available in different thicknesses.

BTW- I have a little of the thick stuff left over, 2'x3' I think, if anyone runs short. Also, any seams can be covered with the special foil 3" tape, which I also have left over.

[GordMay]

Greetings and welcome aboard the CF, kparry.

[Cheechako]

Originally Posted by delmarrey

BTW- I have a little of the thick stuff left over, 2'x3' I think, if anyone runs short. Also, any seams can be covered with the special foil 3" tape, which I also have left over.

Funny how you throw things away and then realize you shouldn't. I had a bunch of strips of that stuff left over from a military boat contact job. They were only about 10" wide but maybe 4' long. I finally got rid of them a couple years ago. Probably had 10 or so. I think it was the 1-1.25 thick stuff.

[RLaird]

The foil shielded foam, which includes a rigid core piece of 'vinyl' is pretty nice to work with if you have a metal rule and a sharp blade. The installation kits include some barbs with push nuts that provide restraint to back up the spray 'cement' (3M typical) that is used to bond to the ply. Just take care to fit and place right the first time as it can be tough to get a second chance! Gives the compartment a nice clean finished look and it's what the OEM's use.

Have a great time with the project!

[captlloyd]

Summit Racing.com or SpeedwayMotors.com. By the roll or square.

[kparry]

First I'd like to thank everyone for their input/ideas/suggestions. What a huge help! I have some things to consider before making a decision but at least it will be an informed decision.
What a helpful and pleasant community this is. I look forward to spending more time going through the forums and learning what I need to be a fellow cruiser!