Verification of Timber Programme (VTP)
The VTP strengthens consumer confidence in structurally graded timber products and benchmarks production systems.
vtp ensures compliance to following standards
- NZS 3622:2004 (Verification of Structural Timber Properties)
- AS/NZS 4063:1992 (Structural Timber – Stress graded – In-Grade Strength and Stiffness Evaluation)
- AS/NZS1748.1:1997 (Structural Timber – Mechanically Stress Graded – Product Requirements for Mechanically Stress-Graded Structural Timber)
- NZS3631:1988 (New Zealand National Structural Timber Grading Rules)
- AS/NZS1491:1996 (Finger Jointed Structural Timber)
- AS/NZS1328:1998 (Glued Laminated Structural Timber)
- AS/NZS4357:2005 (Structural Laminated Veneer Lumber)
- AS 3519:2005 (Timber – Machine Proof Grading)
AsureQuality timber verification capability
AsureQuality is the owner of the scheme and maintains its register.

