For Sale: Composite Transom Board To Parent Forum March 23, 2019 at 9:13 am #3118 HeffKeymaster 24.5”x 96”x 1 3/4” composite transom board (same material used by Lund and Crestliner). Used this product to replace the rotten wood in my Fish Hawk transom. This product will not rot. $250 w.o. Shipping. PM me for more info. You must be logged in to reply to this topic.