Plywood
Gareth,
I used Highland Hardwoods in Brentwood, NH, maybe 1 1/4 hour drive north of Boston, 25 min. from Portsmouth or Manchester. www.highlandhardwoods.com
They stock non-marine grade mahogany ply. Marine-grade ply is a special order. A 4x8 sheet of 1/8" marine Honduran...