Environmental Certifications

LVL Products: Standards EU and UK The UK has adopted the same EU standards for using plywood panels in construction and continues to accept the CE mark until January 2023. LVL is classified is two ways – for structural applications similar to glued laminated timber; or as a product for general construction in non-loadbearing situations. Structural (BS) EN 14374: Timber structures – Structural laminated veneer lumber …

UK and EU Standards for OSB The UK has adopted the same EU standards for using OSB in construction and continues to accept the CE mark until January 2023. OSB products must comply with the overall harmonised (EU) or designated (UK) standard for wood-based panels, (BS) EN 13986: 2004+A1 2015. The standard that classifies OSB: (BS) EN 300: Oriented Strand Boards (OSB) …

European Assessment Document (EAD) for I-Joists EAD 130367-00-0304 – Composite Wood-based Beams and Columns Each construction product approved for use in the UK and EU must be accompanied by a Declaration of Performance (DoP). This is the manufacturer’s statement about the integrity of the product. More To make sure this is accurate and reliable, the product must be independently assessed  under …

List of Individual Standards Relevant to Wood-based Panels The UK and EU follow the same principles for the standards listed below. For ease of use we have combined the titles. For the UK, the titles simply have ‘BS’ for (British Standard) added. When a standard has been reviewed and updated, that date is integrated into the standard title. When a …

Regulations for Construction Products The original EU Construction Products Regulation (EU-CPR) set down greater legal responsibilities for manufacturers, importers and suppliers and made it mandatory for wood-based panels to be CE marked. The UK-CPR has adopted similar principles and will continue to recognise the CE mark until January 2023, when the UKCA comes into force. Declaration of Performance Manufacturers now …

Plywood Specific Applications, Performance Characteristics & Standards The standard that classifies plywood is (BS) EN 636. It gives the requirements for plywood for general purpose use and for structural (load bearing) applications in dry, humid and exterior conditions. It also gives a classification based on bending properties. Specifiers and builders: simply select the property you need, such as bending strength, from …

The UK has adopted the same EU standards for using plywood panels in construction and continues to accept the CE mark until January 2023. There are now two overall standards  – harmonised and designated – that define the panels’ performance characteristics and test methods for use in construction applications. Each currently follow the same principles. The harmonised (EU) or designated …

PS 2-18  – the US Performance Standard for Wood Structural Panels PS 2-18 is a performance-based standard establishes structural criteria for assessing the acceptability of plywood, OSB and composite panels for load bearing sheathing applications in construction such as floors, walls and roofs. It covers performance requirements, adhesive bond requirements, panel construction and workmanship, dimensions and tolerances, marking and moisture content. …

Plywood classes explained Timber & Joinery We look at the different classes of plywood, class 1, 2 and 3, and explain the differences. Plywood undergoes strict testing on bonding and durability to prove that it is worthy of usage within the construction industry.  There are 2 standards, known as “harmonised standards”, that work together to determine which plywoods can be …

(BS) EN 314-2: 1993 (confirmed in 2013) Plywood – Bond quality – Requirements Orignal source https://apawood-europe.org/official-guidelines-3/individual-standards/en-314-2/ This part of the standard specifies the requirements for bonding classes of veneer plywood according to their end uses.  It lists three classes of bond quality. Bond Class 1: Dry conditions ‒ interior applications with no risk of wetting. This is equivalent to a moisture content in …