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HTC4
HTC4
HTC4 Illustration
HTC4 Illustration

The HTC Heavy Truss Clip ensures alignment between a roof truss and non‑bearing wall when the truss or rafter is not in contact with the top plates of the wall. Designed for applications where high lateral capacity is needed.

Material

Carbon Steel 1.3mm thick

Finish

Z275 Galvanised

Features & Benefits
  • Enables alignment control between roof truss and non-bearing wall
  • Engineered swages for extra strength and to minimise deflections
  • The slot permits vertical movement of the truss chord when load are applied
  • Quick and easy installation
  • Install with Simpson Strong-Tie 10d common nails
  • Suits 90mm timber
Installation
  • Use all specified fasteners 
  • Install slot nails in the middle of the slot
  • To allow vertical truss movement, nails should not be driven completely flush against the connector
  • Products not intended for floor applications due to the frequency of floor joist deflections and potential for squeaks
Model No. Table

Model No.

Dimensions (mm)

Fasteners
(No. – Length x Dia., mm)

Country

Design Capacity (kN)

Design Capacity (kN)

Top Plate (Min.)

Base

Slot

Without Gap5

With 32mm Gap6

F1

F2

F1

F2

HTC4

90 x 45

6 – 75 x 3.75

3 – 75 x 3.75

AU

k1 = 1.14

k1 = 1.14

k1 = 1.14

k1 = 1.14

2.39

1.85

0.38

0.76

NZ

k1 = 1.0

k1 = 1.0

k1 = 1.0

k1 = 1.0

2.25

1.75

0.36

0.72

140 x 45

6 – 75 x 3.75

3 – 75 x 3.75

AU

k1 = 1.14

k1 = 1.14

k1 = 1.14

k1 = 1.14

2.79

1.57

0.95

0.72

NZ

k1 = 1.0

k1 = 1.0

k1 = 1.0

k1 = 1.0

2.62

1.48

0.90

0.68

  1. Design Capacity is the lesser of (1) the Characteristic Capacity multiplied by the Australian Capacity Factor, or the NZ Strength Reduction Factor (φ), and applicable the k modification factors following AS 1720.1 and 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. For Australia, the Capacity Factor (φ) is 0.85 for nails and screws for structural joints in a Category 1 application. Reduce tabulated values where other Category applications govern. For NZ, the Strength Reduction Factor (φ) is 0.80 for nails in lateral loading.
  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 Australia Joint Group JD4 per AS 1720.1 Table H2.4 and New Zealand Joint Group J5 per NZS 3603 Table 4.1.
  5. Truss or rafter must be bearing on top plate to achieve the Design Capacities under “Without Gap.”
  6. When installed with maximum 32mm space between rafter or truss and top plate use loads under “With 32mm Gap.” Where loads are not required, space is not limited to 32mm.
Brochures & Catalogues
Technical Data & Docs

Technical Data Sheets

PDF icon Technical Data Sheet - HTC

Report Links

Warranty

Warranty

CAD Library
Masterspec
Alternative Products

Alternative Products

STCT

The STCT Roof Truss Clip is an angle bracket to handle light-duty jobs or projects where a structural connection is needed.

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Request a Demo/Sample

Experience the innovation design of Simpson Strong-Tie's products and how we can help you build safer, stronger structures. Please fill out your details and submit the form below. We’ll be in touch to schedule a time to talk and give you a personal demo of Simpson Strong-Tie products.

Request a Demo/Sample

Experience the innovation design of Simpson Strong-Tie's products and how we can help you build safer, stronger structures. Please fill out your details and submit the form below. We’ll be in touch to schedule a time to talk and give you a personal demo of Simpson Strong-Tie products.

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Unmatched Quality from the Truss to the Foundation

With nearly 60 years of field and R&D experience, Simpson Strong-Tie® timber connectors are manufactured to the industry's highest standards. From framing angles to straps to heavy-duty joist hangers, we offer the most diverse product line so that you have the right product for the job.

Simpson Strong-Tie® connectors offer unmatched quality with laboratory and field testing, and are backed by our uncompromising commitment to customer service. As the company that built the connector industry, you can count on Simpson Strong-Tie® to work closely with builders, engineers and building officials to deliver innovative, building code-compliant solutions to help build safer, stronger structures economically. Download the Timber Connectors NZS 3604 Catalogue.

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From straps and ties to joist hangers and much more, Simpson Strong-Tie® structural connectors increase the strength and safety of timber-frame structures. Each connector is unique to Simpson Strong-Tie and is designed for specific applications without the need to adapt metal plating to suit a connection. Download the Timber Construction Connectors Catalogue.

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Find out how Simpson Strong-Tie timber connectors can help you build the right way every day. Download the Cold-Fromed Steel Construction Connectors Catalogue.