Only use Marine Grade Plywood (like Okoume or Meranti). Never use pressure-treated wood, as the resins often won't adhere properly. 2. The Composite (Coosa Board) Upgrade
While every model (from an Adventure 208 to a Sailfish 252) differs slightly, the professional "outside-in" method is common for DIYers:
When it comes to the rebuild, you have two primary paths. Your choice will depend on your budget and how long you plan to keep the boat. grady-white-transom-repair
Use a multi-tool or circular saw to cut away the outer fiberglass skin . Carefully pry it off to reuse later if possible.
Cost-effective; extremely strong when bonded correctly. Cons: Can rot again if water penetrates the seal. Only use Marine Grade Plywood (like Okoume or Meranti)
For a "forever" boat like a Grady, using a rot-proof core adds immense resale value and peace of mind. 🪜 The Rebuild Process at a Glance
Repairing a Grady transom is a major undertaking, but it's the difference between a "total write-off" and another 20 years on the water. 🛠️ The Assessment: Is It Actually Rotten? The Composite (Coosa Board) Upgrade While every model
Tilt your outboard up and apply downward pressure to the lower unit. Any visible movement or "smiling" (the gap opening between the motor and the transom) is a red flag.