Transom layup

[lelandtampa]

So i just bought a 78 20' MA and it needs a new floor and transom. Here is how i plan to layup the new transom. any thoughts would be appreciated.It will be all epoxy resin and engine will be transom mounted.

OUTSIDE TRANSOM SKIN
LAYER OF Chopped MATT AND RESIN TO FILL IN GRINDING GAPS
DOUBLE 3/4" MARINE GRADE FIR PLYWOOD laminated with epoxy putty
1708 ACROSS THE TRANSOM TABBED 2" TO HULL
1708 tabbed 4"
1708 tabbed 6"
1708 tabbed 8" repeat with 1708 (until factory thickness of inside glass is built up)