Form Alteration ?

Yes, I add a little more reinforcement on big critters like that, but once you mount it up and staple the hide the back, where can it go?

 

If your worried you can always screw into the backboard in 2 or 3 places with 3-1/2 inch deck screws, then on the end of the deck screws put wood blocks into them, even if they are small cuts of plywood it will be like 3 ancors across the surface of your backboard because the foam will fill up around the small blocks and lock the whole board into place.


You should be fine regardless though, foams some seriously sticky stuff, its almost as good as an adhisive as bondo! LOL just playing George.

 

I bondo mine on