Hull Construction Specifications

Double Planked Bottom Consisting of:
  • ¼” (6mm) Okume Marine Grade Plywood Inner Layer
  • 3M Marine Adhesive/Sealant 5200 Layer
  • Vinyl Layer
  • 3M Marine Adhesive/Sealant 5200 Layer
  • 9/16” (14mm) Solid Mahogany Planking Diagonally laid Fastened with 2” x #10 Stainless Steel Screws
  • 4 Coats Antifouling Bottom Paint
Single Planked Hull Sides:
  • 5/8” (16mm) Horizontal Oak Battens on 1-1/4” (32mm) Thick x 3-1/2” (89mm) Wide Mahogany Frames
  • 3M Marine Adhesive/Sealant 5200 Layer
  • 9/16” (14mm) Solid Mahogany Planking Fastened with 1-1/2” (38mm) x #10 Stainless Steel Screws
  • Faired up with 36” (914mm) Long Blocks to 100 Grit
  • 15 Coats Varnish
  • Block Sanded
  • 1200 Sanded
  • 3-Step Buffing
Double Planked Hull Sides:
  • 5/8” (16mm) Horizontal Oak Battens on 1-1/4” (32mm) Thick x 3-1/2” (89mm) Wide Mahogany Frames
  • ¼” (6mm) Okume Marine Grade Plywood
  • 3M Marine Adhesive/Sealant 5200 Layer
  • 9/16” (14mm) Solid Mahogany Planking Fastened with 1-1/2” (38mm) x #10 Stainless Steel Screws
  • Faired up with 36” (914mm) Long Blocks to 100 Grit
  • 15 Coats Varnish
  • Block Sanded
  • 1200 Sanded
  • 3-Step Buffing
Decks:
  • 5/8” (16mm) Oak Battens in 1” Mahogany Frames
  • Layer 3M Marine Adhesive/Sealant 5200
  • 9/16” (14mm) Solid Mahogany (Book Matched) Planking Fastened with 1-1/2” #10 Stainless Steel Screws
  • 15 Coats Varnish
  • Block Sanded
  • 1200 Sanded
  • 3-Step Buffing
  • Seams routed 1/8” (3mm) Depth
  • Polysulfide Caulk
  • Painted Deck Seams
  • Interior of Hull Coated with Dark Brown Industrial Grade Oil Based Paint
Framing:
  • 1” (25mm) Thick Solid Mahogany Frames with Double Gussets
  • Frames 20” (500mm) on Center
  • 3” x 2” (76mm x 51mm) Mahogany Chines
  • 6” x 1-1/2” (152mm x 38mm) Solid Mahogany Keelson
  • 8” x 2” (203mm x 51mm) Laminated Mahogany Stem
  • 1-1/2” x 5/8” (38mm x 16mm) Solid White Oak Battens for Hull Sides and Decking
  • 1-1/2” x 1” (38mm x 25mm) Solid Mahogany Bottom Intermediates
  • Limber Holes with Spring Loaded Limber Chains Along Keelson Gussets and Frames
  • All Construction Fasteners are Stainless Steel Screws