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IBuilt MultiStrut
Description

Lightweight, strong and trimmable, the new MultiStrut joist is made for modern home construction. New Zealand Wood Products (Ltd) has partnered with Multinail to create this new joist.

IBuilt's MultiStrut floor joists are an open webbed parallel chord floor truss joist utilising steel web brackets and LVL11 top and bottom chords, and vertical webs. IBuilt MultiStrut joists provide increased spanning capabilities over standard framing while also being lightweight and efficient to install. They are ideal for residential construction as both joists and rafters.

Key Features
  • Open web system gives uninterrupted access for the passage of services
  • 90mm wide flanges provide a large area for the fixing of flooring and ceiling material
  • Depth compatible with other engineered timber products
  • Supplied in 300mm increments with 300mm trimmable ends
  • Lightweight construction
  • Efficient use of timber with minimal waste on site

NB: Nelson Pine LVL chords are FSC certified

FSC Certified
FSC Certified
NZ Made
NZ Made
NZ-Owned Business
NZ-Owned Business
Scope of Use
  • In wind zones up to and including extra high or a permissible design pressure of 2.1 kPa. In accordance with IBUILT MultiStrut floor joist system span tables or to the requirements of NZS 3604:2011 as referenced and amended by Acceptable Solution B1/AS1
  • In all corrosion zones as defined in NZS 3604:2011. Fixing material must be in accordance with section 4 of NZS 3604:2011
  • Building In conjunction with timber or lightweight steel framing that complies with the NZ Building Code or for existing buildings where the designer and/or installer have established that the existing structure is suitable for the intended building work.  SED required for live loads that exceed 1.5 kPa
  • In applications where the IBUILT MultiStrut floor joist system is protected from moisture.  The IBUILT MultiStrut floor joist system should be enclosed within 90 days
Limitations on Use
  • In wind zones up to and including extra high or a permissible design pressure of 2.1 kPa. In accordance with IBUILT MultiStrut floor joist system span tables or to the requirements of NZS 3604:2011 as referenced and amended by Acceptable Solution B1/AS1
  • In all corrosion zones as defined in NZS 3604:2011. Fixing material must be in accordance with section 4 of NZS 3604:2011
  • Building In conjunction with timber or lightweight steel framing that complies with the NZ Building Code or for existing buildings where the designer and/or installer have established that the existing structure is suitable for the intended building work.  SED required for live loads that exceed 1.5 kPa
  • In applications where the IBUILT MultiStrut floor joist system is protected from moisture. The IBUILT MultiStrut floor joist system should be enclosed within 90 days
Statement of Building Code Compliance

When correctly designed, specified and installed IBuilt's MultStrut floor joists meet the provisions of the NZBC: Refer to the IBuilt MultiStrut Product Assurance Supplier Statement (PASS) no. 19146.

The IBuilt MulitStrut Installation guide offers information for designing and installing IBuilt's MultiStrut floor joist system in residential construction. Additional design guidance can also be requested by contacting the IBuilt technical team on 0800 022 352.

Other Performance Attributes

Quality assurance:

Nelson Pine LVL11 Nelson Pine Industries Ltd has stringent quality systems covering the management systems, the LVL production process and LVL product properties. Nelson Pine Industries is independently third party audited by the Engineered Wood Products Association of Australasia (EWPAA) and by Telarc. The EWPAA Product Certification Scheme provides the framework for the NelsonPine LVL certification to AS/NZS 4357 Structural Laminated Veneer Lumber. Conformance with AS/NZS 4357 makes NelsonPine LVL suitable for NZS 3603 and NZS 3604 structural applications. Nelson Pine Industries Ltd is accredited by Telarc with ISO 9001 Quality Management Systems Certification.

Multinail Componentry Nail plates and metal webs from Multinail are manufactured using grade G300 steel which is manufactured to AS1397 Steel sheet and strip—Hot-dip zinccoated or aluminium/ zinc-coated IBuilt Manufacturing IBuilt's Auckland based manufacturing facility include pneumatic table presses for the assembly of floor trusses.

Location of chords, webs and plates are laid out on the assembly in accordance with the engineering drawing for the joist. The components are positively clamped to ensure timber members have good bearing at all contact points before being pressed together.

IBuilt';s floor truss manufacturing team follow a quality assurance schedule to ensure compliance with AS4446 Manufacture of nailplate-joined timber products is met.

It includes checks such as:

  • Timber condition and damage
  • Squareness of cuts
  • Nail plate locations
  • Nail plate teeth embedment
  • Joints free of defects
  • Tolerances checks for joist depth, length and straightness
B1 Structure compliant
Structure
B2 Durability compliant
Durability
F2 Hazardous Building Materials compliant
Hazardous Building Materials
Documents
Installation Guide
PASS Statement
MultiStrut Substitutions

2021

Warranty
Brochure

New Zealand Wood Products Ltd is a supplier of I-Built engineered timber, glulam, plywood and associated materials.

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