Grady-white-transom-repair -

Use a plastic mallet to tap across the transom. A sharp "ping" is good; a dull, hollow "thud" indicates delamination or wet wood.

Butter the new core with thickened epoxy or polyester resin, clamp it into place, and glass over it with layers of 1708 Biaxial Cloth .

Use a multi-tool or circular saw to cut away the outer fiberglass skin . Carefully pry it off to reuse later if possible. grady-white-transom-repair

The only way to be 100% sure is to drill small exploratory holes from the inside . If the shavings are dark, wet, or smell like mulch, the core is gone. 🏗️ Repair Options: Wood vs. Composite

Coosa Bluewater is a fiberglass-reinforced foam that is 100% rot-proof. Cons: Significantly more expensive than wood. Use a plastic mallet to tap across the transom

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?

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 Use a multi-tool or circular saw to cut

While every model (from an Adventure 208 to a Sailfish 252) differs slightly, the professional "outside-in" method is common for DIYers: