A large canoe may require a sturdy roof rack or kayak utility trailer for safe transport. On the other hand, a lighter, ...
Two 32-in. pieces, mitered 22.5 degrees on one end (bottom racks). Two 7-1/2-in. pieces (bottom rack feet). Cut the 2x4s into: Two 28-in. pieces, mitered 22.5 degrees on one end (top racks).