Originally Posted by iijakii
So I was having my Dad help me with my Keezer due to him having a Miter saw
and copious amounts of other helpful tools. I tell him of my plans, using the standard 1x6 poplar or oak most people do on this board, while probably putting some foam board insulation on the inside as well.
He goes off and tells me about how garbage that idea is, and wants to use a rigid foam insulation sandwiched between two FRP boards. Does anyone have any experience with making a collar out of FRP?
I have no experience with building a collar using FRP. I suppose it could be done without too much trouble, but there is also absolutely nothing wrong with doing it your way. I suspect that your dad did not like the idea of having the bare exposed foam on the inside of a wooden collar.
Here is my suggestion. Fabricate the collar from wood. Back it with rigid foam insulation and face the insulation with some FRP on the inside. I would use 2 X wood and 3/4" rigid foam. The 2 X lumber will be structurally more sound, less prone to warping, bending etc and provides more "meat" when mounting the shanks and taps if you go that way. So, this would give you the wood collar that you desire and satisfy your dad with a finished appearance on the inside. Best of both worlds IMO.