Light brown wood grain surface with horizontal lines and natural wood texture.

certifications.

Quality and certification are central to our operation. Our timber is produced in a certified milling environment and independently grade-verified, ensuring reliable structural performance and compliance with industry standards.

Membership certificate issued to SENTON WOOD PRODUCTS LTD by Grade Right (NZ) Ltd, valid until March 31, 2027, signed by Paul Carpenter, Managing Director.
Grade Verified QA Programme Membership Certificate issued to Senton Wood Products Ltd, with signatures and expiry date of March 31, 2027.

Quality Assurance & Industry Certification

At SWP, quality and compliance are central to everything we produce. Our mill operates under recognised New Zealand industry assurance programmes, ensuring our timber products meet strict national standards for treatment, grading, and performance.

Through the Treat Right Programme, our timber treatment processes are independently monitored and verified to meet the requirements of NZS 3640 and industry Standard Operating Procedures. This certification confirms that preservative treatment is applied correctly and consistently, providing confidence in the durability and reliability of our products.

In addition, SWP is a licensed member of the Grade Verified QA Programme, confirming that our timber grading systems meet the standards set under NZS 3622 for verification of timber properties. With independent auditing and verification through Grade Right (NZ) Ltd, customers can trust that the structural and engineering properties of our timber are accurately assessed and maintained.

Together, these certifications reinforce our commitment to producing reliable, compliant, and high-quality timber products for New Zealand and export markets.