What is ISO 22390 about?
ISO 22390 specifies the requirements for establishing the characteristic properties of structural laminated veneer lumber (LVL) including 5th percentile strength values, stiffness characteristics and other performance characteristics that are related to its use as a structural product for dry use.
Note: Under ISO 22390 the assessment of formaldehyde requirements, biological durability, fire performance or manufacturing such as quality control and marking are not covered.
Who is ISO 22390 for?
ISO 22390 on structural properties of LVL is useful for:
- Laminated veneer lumber manufacturers
- Construction companies
- Builders
- Governments
- Distributors
- Architect
- Civil engineers
Why should you use ISO 22390?
Laminated veneer lumber (LVL) is an engineered wood product that is used for constructional applications. Due to the production and export of laminated veneer lumber in many countries under different national standards, there was a need for the development of an International Standard to establish consistency between these standards. To ensure the suitability of LVL for structural end-use applications regardless of the country of manufacture or end use, ISO 22390 was developed.
ISO 22390 covers the characteristic value of strength which is the estimate of the 5th percentile values based on a statistical distribution obtained from results of tests on the defined properties with the test duration between 60 s and 300 s.
ISO 22390 helps in establishing the characteristic properties for laminated veneer lumber for effective use of the product in various constructional applications without having any negative impact on the end-product.
If you are a LVL manufacturer, undertaking processes keeping in mind the characteristic properties under ISO 22390 will help you maintain consistency in the quality of products. This will improve business prospects and entry to newer markets. ISO 22390 will also help with your product development initiatives when adopted at early stages of production.
What’s changed since the last update?
BS ISO 22390:2020 supersedes the first edition ISO 22390:2010. BS ISO 22390:2020 has updated the specimen dimension measurement accuracy with respect to ISO 22390:2010.
