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BA Top Fix I-Joist Hanger

Model: BA

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The BA Top Fix I-Joist Hanger is designed to be used where a heavy load/connector is required. It is cost-effective and used for structural composite lumber and high-capacity I-joists. When used with I-joists, the positive-angle nailing at the joist seat allows the hanger to be used without web stiffeners.   

Please check the Corrosion Information to see if it is suitable for your application.

Material

Carbon Steel 2mm thick

Finish

Z275 Galvanised

Features & Benefits
  • Manufactured in heavier gauge steel for a stronger connection
  • Suitable for heavy duty applications
  • Compatible with I-Joist size 45mm x 300mm
  • Engineered swages for extra strength and to minimise deflections
  • Galvanised finish provides corrosion resistance
  • Top fixing makes installation quicker and simpler 
  • Top fixing gives an additional holding strength to the hanger
  • Top fixing and positive angle nailing (PAN) minimises splitting of the joist flanges
Installation
  • Use all specified fasteners
  • BA min. nailing does not require web stiffeners
  • BA max. nailing requires the use of web stiffeners
  • Ledgers must be evaluated for each application separately
  • Check Top Flange dimension, nail length and nail location on ledger
 
 
Model No. Table

Model No.

Joist Size (mm)

Dimensions (mm)

Fasteners
(No. – Length x Dia.,mm)

Design Capacity (kN)

Width

Height

H

W

B

Face5

Joist

Uplift (k1 = 1.0)

Down (k1 = 0.8)

BA1.81/11.88

45

300

300

46

75

10 – 38 x 3.75

2 – 38 x 3.75

0.94

5.99
  1. Design Capacity is the lesser of (1) the Characteristic Capacity multiplied by the NZ Strength Reduction Factor (φ), and applicable the k modification factors following NZS 3603 and (2) the Serviceability Capacity which is the load at 3.2mm joint slip. Design Capacity is the minimum of test data and structural joint calculation.
  2. The Capacity Factor (φ) is 0.8 for nails and screws for structural joints in a Category 1 application. Reduce tabulated values where other Category applications govern.
  3. Duration of Load Factor (k1) is as shown. Reduce Duration of Load Factor where applicable. Capacities may not be increased.
  4. Timber species for joint design is seasoned Radiata Pine, which is New Zealand Joint Group J5 per NZS 3603 Table 4.1.
  5. The Design Capacities may be multiplied by 1.3 when 75mm x 3.75mm face nails are used.
 

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