Proudly supplying New Zealand since 1900. JSC provides premium, sustainable timber solutions for cladding, decking, and interiors. Trusted by architects, designers, builders, and homeowners nationwide.
NZ owned and operated for 125 years, with a trusted reputation for quality products, service, and a legacy to be proud of.
Quick, expert support when you need it. Get clear answers and trusted guidance to keep your project moving smoothly.
We have the in-house expertise to innovate, educate, and lead the building industry to entirely new possibilities - in the consultation, building process, and the final outcome.
Beyond a supplier - your dedicated partner. We’re invested in your project, process, and people to ensure success.
See our latest Thermally Modified Timber Option - ThermoPine for Interiors
See, Touch, & Compare Complimentary Samples & Inspiration Boxes
Discover JSC’s story of timber, innovation, and sustainability on Between the Walls Podcast
“The build ran smoothly, thanks to the quality of the pre-finished JSC products. We love working with JSC because they understand our vision as a high-performance, sustainability-focused company. Their expertise and willingness to collaborate ensured that we selected the right timber for our project. Their team introduced us to the wire-brushing technique, which we wouldn’t have considered otherwise, and their level of care and dedication was outstanding."
“We work with JSC on all our Makespace builds – we value their range of high-quality products that complement the design of our modular dwellings. Our clients and team also see the value and benefits in JSC’s thermally modified timber range accompanied with their great technical support and customer service"
Impeccable quality is the cornerstone of our creations; at JSC, it's not just a buzzword – it's the very essence of everything we do. We pour heart and soul into sourcing, crafting, and perfecting each product, integrating quality into every aspect of our range. From inception to completion, every touchpoint, product, and service upholds our dedication to excellence.
We understand the significance of accurate communication and strive to provide you with clear and precise information at every stage of our collaboration. With JSC, you can trust that your timber needs are met with the highest standards and a commitment to delivering clarity and satisfaction. Discover the true essence of timber with us, where quality takes center stage, and every detail is thoughtfully curated to elevate your projects.
JSC is New Zealand’s premium architectural and building solutions partner, proudly producing exceptional and innovative timber products, materials, and finishings that will stand strong today and into the future. As leaders in timber cladding, hardwood decking, interior panelling, timber coatings, and thermally modified timbers, JSC is committed to delivering innovation to build tomorrow.
Here you will find answers to some of the most common questions our customers ask about our products and services.
As a trusted timber supplier and manufacturer, we understand that choosing the right timber products for your unique project can be a complex and sometimes confusing process. That's why we have compiled this list of frequently asked questions to help you make informed decisions about your timber needs.
Yes. We purchase timber from suppliers who have established a clear, verifiable track record in respect of environmental standards and conformance, including legality, sustainability and cultural awareness. This includes JSC being committed to implementing and maintaining the Forest Stewardship Council® (FSC) Chain of Custody requirements for certified timber products as well as recoginsing the importance of promoting the use of responsibly managed timber resources through the Programme Endorsement of Forestry Certification (PEFC). You can find more information here.
We're keen to help you get your hands on a sample of our products. There are 2 ways you can do this:
JSC products are supplied to trade merchants nationwide, contact our friendly team about your project or product requirements and we would be happy to assist with getting you what you need!
Yes, for further information on this please see our Codemark certificates available from our downloads section, for each of the main cladding systems.
Enhanced durability and exceptional dimensional stability
Able to accept darker coatings with a significant reduction in dimensional movement
Low susceptibility to fungal decay
Consistent, aesthetically pleasing colour
Easily workable and easy to maintain
Standard or bespoke exterior and interior profile solutions, including matching existing profiles for renovation projects.
Our extensive library of files is designed to make your life easier, with easy access to detailed product specifications, installation instructions, and more.
We've developed these helpful timber calculators so you can understand how much material is needed for your next home or commercial project.
