Poligon’s Grand Haven Gabled Hexagons (GHX) are six sided shelters with a hip and gable roof, a cupola, optional gable ring ornamentation, and a 10:12 overall pitch with a 12:12 gable pitch.Primary Roof Options:• Tongue-and-Groove• Structural Insulated Panels• Multi-Rib• Standing Seam** ‘Standing Seam Only’ roof requires a custom frame.Secondary Roofing Options:• Multi-Rib• Standing Seam• Asphalt Shingles• Cedar Shingles (Hand Split or Milled)Shelter Modifications:Shelter can be modified by adding handrails, round columns, custom ornamentation, integrated benches, lightning protection, electrical cut-outs, or by an increase in UPB (Under Perimeter Beam) up to 10’.Shelter Customizations:Shelter can be customized by adding windscreens, walls, tile roof, special columns, an increase in UPB over 10’, or by requesting a ‘Standing Seam Only’ roof. For structures with a standard UPB of 8’-0”, addition of ornamentation increases UPB to 8’-10”.