Kwila is the most well-known hardwood decking timber in New Zealand. It is a pale brown to dark reddish-brown coloured hardwood that comes in a good length spread and is known for its stability. One downside is the tannin content in the timber will leech when exposed to weather, a process called bleeding. This tannin bleeding will stain, so care should be taken with tiles, concrete and other porous surfaces. All Kwila sourced by ITI Timspec is 100% FSC certified.

Botanical Name: Intsia spp

Other Names: Merbau (Malaysia), Vesi (Fiji)

Origin: Southwest Asia

FSC Certifications Available on request

Seasoning: The timber dries slowly and if subjected to rapid drying conditions, there is a definite tendency for end splitting and surface checking to occur. It has a low shrinkage factor.

Uses: Very good heavy construction timber. Ideally suited for decking and outdoor furniture. It is also used in internal joinery and flooring, striking tool handles and carving.

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ITI NZ, formerly known as ITI Timspec, began as Timspec, a specialist timber wholesaler committed to providing quality timber products with reliable service, value, visuals and versatility. In March 2019, Timspec Ltd was acquired by ITI NZ Ltd, becoming ITI Timspec, before later rebranding to ITI NZ Ltd.

As part of the wider ITI Group, ITI NZ continues to grow its product range and service offering across New Zealand. The acquisitions of Rosenfeld Kidson and Hermpac have further strengthened the business by adding respected industry knowledge, trusted timber brands and a wider range of premium timber solutions.

These acquisitions have also helped expand our offering across cladding, cedar products, flashings, external corners and related timber accessories, allowing us to support architects, builders and merchants with a more complete solution.

ITI NZ sources timber from trusted mills and suppliers around the world and works hard to provide quality products, reliable service and strong relationships across the building industry.

Verified ArchiPro Member10 years · Since 2016