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IBuilt GL8 H5 Posts

GL8 posts made from finger-jointed glue-laminated radiata pine, treated to hazard class 5

The following information has been provided by IBuilt demonstrating how this product complies with the Building Product Information Requirements.

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Product Description

For use with exterior in-ground applications such as verandas, carports and supporting decks or roofs.

Manufactured to AS/NZS1328:1998, AS5068:2006

Sizing: 88 x 88, 112 x 112, 135 x 135 and 180 x 180mm

Lengths:

88, 112 and 135mm from 2.4m to 6m.
180mm available in 3.6m and 4.2m.

Construction: Top, bottom and core are made of finger-jointed lamina

Treatment: Micronised Copper Azole (MCA) H5 treated in accordance with NZS3640:2003.

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Compliance Statement

Product Class

Scope of Use

IBuilt™ H5 GL8 posts by Taranakipine are structural glue-laminated posts manufactured from H5 MCA-treated, NZ-grown Pinus radiata finger-jointed lamina. They are available in a range of dimensions and lengths.

Scope	Limitations
Designed and installed in accordance with NZS 3604:2011 or specifically engineered to NZS 3603:1993 or NZS AS 1328.1:1998.	Use Section 4 of NZS 3604:2011 to select structural brackets, subject to NZS 3604:2011 exposure zones. Post dimensions (width and thickness) must not be altered in a way that reduces their structural stability.
In above-ground applications	The post must be attached to a structural bracket capable of resisting all applied loads.
In below-ground applications	Posts installed below ground must have their in-ground portion sealed. They must be seated on a 100 mm punch pad and fully encased in concrete with a minimum 100 mm side cover

New Zealand Building Code (NZBC)

The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:

Clause B1 Structure: Performance B1.3.1, B1.3.2, B1.3.3, B1.3.3(a), B1.3.3(b), B1.3.3(f), B1.3.3(j), B1.3.3(m), B1.3.3(q), B1.3.4, B1.3.4(a), B1.3.4(b), B1.3.4(c), B1.3.4(d), B1.3.4(e)
Manufactured in accordance with AS/NZS 1328.1:1998, cited by NZS 3604 [Grade Right NZ Ltd, n.d.a, n.d.b].

Design and installation in accordance with NZS 3604:2011 or specifically engineered to NZS 3603:1993 or NZS AS 1328.1:1998.
Clause B2 Durability: Performance B2.3.1(b)
H5 MCA treated by Core Timber Services in accordance with NZS 3640:2003 [New Zealand Timber Preservation Council,. n.d].
Clause F2 Hazardous building materials: Performance F2.3.1
H5 MCA treated by Core Timber Services in accordance with NZS 3640:2003 and treatment process in accordance with New Zealand Timber Preservation Council best practice guidelines [New Zealand Timber Preservation Council,. n.d]

Evidence

The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:

The product will, if installed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:

Product Criteria

Design requirements

For design, installation and maintenance information, refer to IBuilt website

Installation requirements

To be installed in accordance with the Installation and maintenance manual. Please refer to the IBuilt website for all information regarding installation.

Maintenance requirements

To be installed in accordance with the Installation and maintenance manual. Please refer to the IBuilt website for all information regarding installation.

Manufacturer

Legal Trading Name:

Taranakipine

Company Website:

https://taranakipine.co.nz/

Contact Number/s:

+64 06 7559000
0800827 274

Importer

Legal Trading Name:

New Zealand Wood Products Limited

Business Email:

enquiries@nzwoodproducts.co.nz

Company Website:

nzwoodproducts.co.nz

Contact Number/s:

09 2686540
0800 022352

Product Identifier

PO88, PO112, PO135, PO180

Warnings

This product has no warnings associated with it.

Date last validated: 08 October 2026

Date last updated: 08 October 2026


Company:	New Zealand Wood Products Limited
Physical Address:	149 Kerrs Road Wiri AUCKLAND
Postal Address:	PO Box 76412 Manukau AUCKLAND
Telephone:	09 2686540
Free Phone:	0800 022352
Email:
Website:	nzwoodproducts.co.nz

New Zealand Wood Products Limited

NZWOOD supply some of the highest quality specialist engineered wood products to the New Zealand construction industry and around the world.

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