SPECIESaSIZESPACING OF DECK JOISTS WITH NO CANTILEVERb
(inches)
SPACING OF DECK JOISTS WITH CANTILEVERSc
(inches)
121624121624
Southern pine2 x 69-119-07-76-86-86-8
2 x 813-111-109-810-110-19-8
2 x 1016-214-011-514-614-011-5
2 x 1218-016-613-618-016-613-6
Douglas fir-larchd,
hem-fird,
spruce-pine-fird,
2 x 69-68-87-26-36-36-3
2 x 812-611-19-19-59-59-1
2 x 1015-813-711-113-713-711-1
2 x 1218-015-912-1018-015-912-10
redwood,
western cedars,
ponderosa pinee,
red pinee
2 x 68-108-07-05-75-75-7
2 x 811-810-78-88-68-68-6
2 x 1014-1113-010-712-312-310-7
2 x 1217-515-112-416-515-112-4