Joinery
Timber joinery brings warmth, character, and performance to any home or building project. At ITI NZ we supply premium species chosen for their stability, durability, and beauty, making them ideal for windows, doors, and custom joinery. Our timbers are trusted by architects and builders across New Zealand for projects that require strength, design flexibility, and long term reliability.
Strength & Durability
Natural Beauty
Sustainability
Versatility

Accoya
Exceptionally stable and durable modified timber. Ideal for high-performance joinery with minimal maintenance.

Western Red Cedar
Lightweight, dimensionally stable softwood with warm tones. Commonly used in exterior joinery.

Yellow Cedar
Fine-grained, strong, and naturally durable. Excellent for detailed joinery work.

Radiata Pine
Versatile, easy to machine, and widely available. Suitable for painted or clear-finished joinery.

Thermofixx230
Thermally modified pine with improved durability and stability. Eco-friendly choice for sustainable joinery applications.

Kwila
Kwila is a dense, durable hardwood known for its rich reddish-brown tones. Highly valued for decking and joinery, it weathers beautifully and can be stained or left to age naturally. Its strength and resistance make it ideal for high-traffic and outdoor use.

Vitex
Vitex is a creamy grey hardwood with a fine, even texture. Favoured for decking and exterior applications, it offers a natural look with reliable performance, making it a practical choice for long-lasting outdoor projects.

Rosewood
Rosewood is a darker timber with warm golden to reddish-brown hues. Renowned for its beauty and density, it is used in high-end joinery and specialist applications such as musical instruments, offering both strength and elegance.
Joinery Information
| Species | Durability (Exterior) | Stability / Movement | Colour / Appearance | Typical Joinery Uses |
|---|---|---|---|---|
| Accoya® | Class 1 (very durable), 50 year above ground warranty | Excellent (very low shrink/swell) | Pale blond, consistent, takes coatings well | Windows, exterior doors, frames, heritage replacements |
| Western Red Cedar | Class 2 (durable, naturally rot resistant) | Very stable, low density | Reddish brown to pink with straight grain | Windows, doors, cladding trims, shutters |
| Yellow Cedar (Nootka Cypress) | Class 2 (durable) | Good stability, moderate movement | Pale yellow to light brown, fine uniform texture | Window frames, exterior doors, high end joinery |
| Thermally Modified Pine | Improved to Class 1-2 (after treatment) | High dimensional stability | Darker brown tone from heat treatment | Windows, doors, frames, shutters |
| Radiata Pine (treated/engineered) | Non durable untreated, can be treated to H3+ for exterior use | Moderate stability, tends to move | Pale cream to light brown | Cost effective windows and doors, painted joinery, trim |




