I took 2 2x4x8 and nailed them to the wall vertically about 8 feet apart. Drill 1" holes in the studs every 1.5-2 feet up the wall. Insert 3/4" galvanized EMT (about 2.5 ft long) Cover the EMT with pool noodles and you're done. Less than $40 bucks for 4 or 5 canoes worth of storage.