The DECKMASTER brackets are 22.5" long and are meant to be alternated on each side of the joist to give equal support to the joist as the screws go in at an angle.

ESTIMATING THE NUMBER OF DECKMASTER® HIDDEN BRACKETS NEEDED:

How Many Brackets Do I Need?

DECK SIZE

JOIST SPACING
Joists spaced 16 inches on center will require 100 brackets for every 225 to 250 square feet of deck surface.
Joists spaced 24 inches on center will require 100 brackets for every 325 to 350 square feet of deck surface.
 

 SQUARE FEET 

 16" O.C.

 24" O.C.

25 sq.ft.

10 Brackets

10 Brackets

50

20

20

75

30

30

100

40

30

200

80

60

300

120

90

400

160

120

500

200

150