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It is recommended that trusses are spaced 12" or 16" on center to be structurally sound. To install a roof vent or AC you will need a least a 14"x 14" opening in the roof.

Dimensions: 1 1/2"D x 4 1/2"H x 94 1/2"W
4 1/2" Rise in the middle. Weighs 5 lb
$29.80
It is recommended that trusses are spaced 12" or 16" on center to be structurally sound. To install a roof vent or AC you will need a least a 14"x 14" opening in the roof.
$29.80
Showingof 2 item(s)