Hi Surayne,

Sorry that you're not getting any answers to your question here. I'm not sure anyone has ever tried putting an aluminium armboard on a Heybrook, but I could be wrong. Personally I would be concerned that it might resonate, unless you damped it with something like sticky sorbothane. I recall Shane, the designer of this wonderful deck, mentioning that they tested many different materials (presumably all woods of different types) and decided that the birch ply sandwich had the best sound quality. It might be wise to follow that same path here. If you're thinking of the aluminium just for aesthetics, then you might be able to glue a very thin sheet of it on top of the birch ply. That could look quite sharp. If you stained the edges of the wood underlay (birch ply) in black, you would have a very clean design.

Not sure if this is helpful or not. Let us know how you make out with this project.

Best,
Svend