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The Burmon Hurricane Anchor Tie Down System Designed Specifically for
Nudura ICF Construction

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Roof Truss/Rafter Anchor Connection to Sill Plate

Roof Truss/Rafter Anchor Connection to Sill Plate

Designed and engineered specifically for ICF Construction

Product code: BHBSP

  • Fully engineered, tested and product approved
  • Designed to resist 96% of all global high wind events
  • Top plate sites inside ICF wall enhancing thermal performance
  • Screw fixed through nail plate for stronger, faster connection
  • No skew/toe or hand nailing required
  • Half the cost of other connectors whilst delivering extremely high load capacities
  • The strongest ICF tie down system in the world
  • Significant cost savings to the total house build

DOWNLOADS

Burmon_Hurricane_Anchor_Single_Top_Plate_US.pdf
File size 350.64kB

Installation of Hurricane Anchor to Roof Truss

1. PLACE HURRICANE Bracket AT SET OUT POINT ON SILL PLATE.

ICF Wall

2. SCREW FIX HURRICANE BRACKET TO SILL PLATE WITH SCREWS SUPPLIED.

ICF Wall

3. place truss inside HURRICANE bracket and screw fix.

ICF Wall

Installation of Hurricane Anchor to Ceiling Joist and Rafter

1. Screw Fix Hurricane Anchor to plate with screws provided

ICF Wall

2. Screw Fix Rafter to Hurricane Anchor with 3 x 1½ inch screws supplied.

ICF Wall

3. Screw Fix Ceiling Joist to Hurricane Anchor and Rafter with 3 x 2½ inch screws supplied.

ICF Wall

Specifications and Data

Nudura ICF Sill Schematic

Steel

  1. Grade G300 1.2mm thickness Stainless Steel
  2. Galvanized Steel Coating Z275

Screws

  1. Burmon Blue screws - 1½" x 10 gauge, Tufcote
  2. Burmon Hex Head screws - 1½" x 12 gauge, Tufcote


LIMIT STATE DESIGN CAPACITY (k/N)

Fastener Schedule SP
6 x 1½" Burmon screws into top plate
3 x 1½" Burmon screws into truss each side

2450 pounds


Load Data

  1. The limit state design wind uplift capacity of the Burmon Hurricane Bracket resisting wind uplift are as shown in these tables. Design capabilities have been obtained from laboratory testing and procedures given in AS1720.1
  2. Wind uplift capacities are based on AS1720.1:2010 using k1 = 1.31, for use in conjunction with AS/NXA 1170:2002 load code
  3. The specified Burmon screws must be used in conjunction with the Burmon Hurricane Bracket to achieve load ratings as per load tables.
  4. Hurricane Bracket (Patent Application 2013209390) is certified by Registered Structural and Civil Engineers for the Australian Building Industry in accordance with the relevant Australian Standards and Building Codes. Cyclone Bracket is structurally adequate provided it is installed and used in complete accordance with the guide on Burmon brochures and website.

Compliance

  1. The Burmon Hurricane Bracket complies with (IBC), (IRS), & (EC-002) as well as the AS/NZS 1170 Loading Code.

Roof Truss/Rafter Anchor Connection to Concrete

Roof Truss/Rafter Anchor Connection to Concrete

Designed and engineered specifically for ICF Construction

Product code: BHBCON

  • Fully engineered, tested and certified
  • Designed to resist 98% of all global high wind events
  • No more hand nailing
  • Screw fixed through nail plate for stronger, faster connection
  • Hurricane Bracket fixed into place on top of ICF wall
  • Half the cost of other connectors whilst delivering extremely high load capacities
  • The strongest ICF tie down system in the world
  • Significant cost savings to the total house build
Burmon_Hurricane_Anchor_ICF_Block_US.pdf
File size 349.40kB

Installation

1. Lock assembled HURRICANE Bracket into place on block work at set out position

ICF Wall

2. Hook bolt(s) underneath rebar so that rebar is cradled inside bolt.

ICF Wall

3. After concrete has set, place truss inside HURRICANE bracket and screw fix.

ICF Wall

Specifications and Data

Nudura ICF Concrete Schematic

Steel

  1. Grade G300 Galvanized Steel Coating

Screws

  1. Burmon hex head 1½" x 12 gauge

Uplift Capacity (POUNDS)

Fixings SP DF SPF
Screws supplied (1½" x 12 gauge hex head) 4 each side of truss 5 each side of truss 8 each side of truss
1 x M12 bolt hooked under rebar 5395 pounds 5395 pounds 5395 pounds
Fixings SP DF SPF
Screws supplied (1½" x 12 gauge hex head) 7 each side of truss 9 each side of truss 11 each side of truss
2 x M12 bolts hooked under rebar 9441 pounds 9441 pounds 9441 pounds


Load Data

  1. The limit state design wind uplift capacity of the Cyclone Bracket encased in 20MPa concrete or better is 24 k/N with 1 x M12 bolt hooked under rebar and fixed with designated number of screws into truss.
  2. The limit state design capacity is 42 k/N when using 2 x M12 bolts and fixed with designated number of screws into truss. Specified Burmon screws and bolts which are supplied must be used in conjunction with the Cyclone Bracket to achieve load ratings as per load tables.
  3. The Burmon Cyclone Bracket international patent application number 2013209390 is certified in accordance with relevant Australian Standards and Building Codes. The Burmon Cyclone Bracket has been tested at the University of South Queensland, Toowoomba by the Structural Testing Services Division.

Compliance

  1. The Burmon Hurricane Bracket complies with (IBC), (IRS), & (EC-002) as well as the AS/NZS 1170 Loading Code.