C-Channel is used as the center support member with both the 7′ wide (84″) sundeck bracket and 10′ wide (124″) super sundeck bracket. The C-Channel is available in 2 different lengths. The 7′ 9″ length, is used with one 8′ L segment or for the first L segment with multiple of 2 or more. The C-Channel is attached to the Sundeck and Super Sundeck Bracket, not to the 90 degree C-Channel Corner Bracket attached to the main walkway. The 7′ & 7-1/2″ length is used when more than one Sundeck or Super Sundeck are inline at the same location and attached to the main walkway. Both C-Channels weighs 22 lbs.