Simpson Strong-Tie Wood Construction Connectors

Simpson Strong-Tie ® Wood Construction Connectors

JB/JBA/LB/LBAZ/BA/HB Joist, Beam and Purlin Top-Flange Hangers (cont.)

Modifications and Associated Load Reductions

Seat

Top Flange

Hanger

Condition

Sloped Down 45° Max.

Sloped Up 45° Max.

Skewed 45° Max.

Sloped Down and Skewed

Sloped Up and Skewed

Top Flange Sloped 35° Max.

Top Flange Bent Open or Closed 30° Max.

6

6

6

9 1/4

14

9 1/4

14

14 3

9 1/4

Min. height 

W < 2 1/2 "

0.82

0.66

0.95

0.54 0.82 0.64 0.64

(90 – a) / 90

(90 – a) / 90

BA

W ≥ 2 1/2 "

0.8

0.95

1

0.7

1

0.8

0.8

(90 – a) / 90

(90 – a) / 90

8

8

8

11 1/4

14

11 1/4

14

14

11 1/4

Min. height 

HB

W < 2 1/2 "

0.84

0.7

1

0.47 0.84 0.62 0.69

(90 – a) / 90

(90 – a) / 90

W ≥ 2 1/2 "

0.87

0.7

0.96

0.59 0.87 0.7

0.7

(90 – a) / 90

(90 – a) / 90

1. Reduction factors are not cumulative. Use the lowest factors that apply. 2. For straight-line interpolation, “a” is the specified angle.

3. The sloped top flange option is permitted for BA hangers with a minimum height of 11 1/4 " when the load reduction factor is applied to the tabulated BA allowable loads for the minimum installation.

Solid Sawn Joist Hangers

Reduction Factor Instructions Allowable Download = Lower of (Seat or Top Flange) x (Table Load) Allowable Uplift = 0.90 x (Table Load) for BA with W < 2½" = 0.71 x (Table Load) for HB with W < 2½" = 1.00 x (Table Load) for all others

Center flush

Low side flush

High side flush

Specify angle

Specify angle

Specify angle

Sloped down and skewed left with sloped top flange installation. When ordering, specify low side flush, center flush or high side flush.

Nailer anchorage not shown for clarity

Specify angle

Specify angle

Specify angle

C-C-2021 ©2021 SIMPSON STRONG-TIE COMPANY INC.

Typical Sloped Down with Top Flange Open

Typical Sloped Down Installation with Full Backing

Typical Sloped Down on Nailer Non-Backed

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