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So I've noticed a lot of builds using some type foam looking material under their sumps and displays and since I am not ready for water yet I figured I'd ask what people have been using and why. I am considering putting foam under my sump (or around my sump since it's a tight fit under my stand) to help with noise and vibration but I am not sure what I should use or if it's worth it. All suggestions, recommendations and experiences would be appreciated. Thanks in advance!
I'm a big insulfoam user. I got it at home depot. Check out my tank thread for inspiration!
That is exactly how I built the last three facilities... sitting on that stuff 
Does it help with sound/vibration at all?
Probably to sone extent, but I can't tell because it's pretty loud in my fishroom.
Not really. Its hard to damped the sound from a massive block of water. That in itself will transmit more sound via the glass/acrylic than that of what it would via the stand.
Thanks guys.
Only use foam under glass tanks with out plastic trim on the bottom. Foam under acrylic tanks will actually cause them to bow more.
Never had that issue and looking back, I have had well over 200 acrylic tanks on it. Depends on the thickness and density of the foam. My current tank has been on it for 6 years, zero bowing.
It also depends on the build of the tank.
Never had that issue and looking back, I have had well over 200 acrylic tanks on it. Depends on the thickness and density of the foam. My current tank has been on it for 6 years, zero bowing.
It also depends on the build of the tank.
Levi
The foam I used under my tank was the garage door insulation (thanks for that info Jesse - eldiabloset8 ) and the reason was to adjust tank for any uneven floor/stand inperfections.
If you need some ....I have appx a 4 x 4 section you can have.
Sergio