Section Contents

Standard No

Product Type and Official Definition

EN 120 Wood-based panels – Determination of formaldehyde content – Extraction method called the perforator method
EN 300 (updated) Oriented Strand Boards (OSB) – Definitions classification and specifications
EN 310 Wood-based panels – Determination of modulus of elasticity in bending and of bending strength
EN 313-1
Plywood classification
EN 313-2 Plywood terminology
EN 314-1 Plywood – Bond quality – Test methods
EN 314-2 Plywood – Bond quality – Requirements
EN 315 Plywood – Tolerances for dimensions
EN 317 Particleboards and fibreboards – determination of swelling in thickness after immersion in water
EN 318 Wood-based panels – Determination of dimensional changes associated with changes in relative humidity
EN 319 Particleboards and fibreboards – Determination of tensile strength perpendicular to the plane of the board
EN 321 Wood-based panels – Determination of moisture resistance under cyclic test conditions
EN 322 Wood-based panels – Determination of moisture content
EN 323 Wood-based panels – Determination of density
EN 324-1
Wood-based panels – Determination of dimension of boards
Determination of thickness, width and length
EN 324-2 Determination of squareness and edge straightness
EN 325 Wood-based panels – Determination of dimensions of test pieces
EN 326 Wood-based panels – Sampling, cutting and inspection
EN 326-1 Sampling and cutting of test pieces and inspection
EN 326-2  (updated) Initial type testing and factory production control
EN 326-3 Inspection of an isolated lot of panels
EN 335:2013 Durability of wood and wood-based products – Definitions of use classes
EN 350: 2016
Durability of wood and wood-based products – Testing and classification of the durability to biological agents of wood and wood-based materials
 EN 408 Timber structures – Structural timber and glued laminated timber – Determination of some physical and mechanical properties
 EN  594: 1995 Timber structures – Test methods – Racking strength and stiffness of timber framed wall panels
EN 596:  1995 Timber structures – Test methods – Soft body impact test of timber framed walls
EN 635-1
Plywood – Classification by surface appearance – General
EN 635-3 Softwoods
EN 635-5 Parameters of ability for finishing, guidelines
EN 636 Plywood – Specification
EN 717 Wood – based panels – Determination of formaldehyde release
EN 717-1 Formaldehyde emission by the chamber method
EN 717-2 Formaldehyde release by the gas analysis method
EN 789 Timber structures – Test methods – Determination of mechanical properties of wood-based panels
EN 1058 Wood-based panels – Determination of characteristic 5 percentile values and characteristic mean values
EN 1072 Plywood – Description of bending properties for structural plywood [Withdrawn in June 2012, however, will still be referenced in other standards until they are reviewed]
EN 1084 Plywood – Formaldehyde release classes determined by the gas analysis method [Withdrawn in June 2012, however, will still be referenced in other standards until they are reviewed]
EN 1087-1 Particleboards – Determination of moisture resistance – Boil test
EN 1156 Wood-based panels – Determination of duration of load and creep factors
EN 1195 Timber structures – Test methods – Performance of structural floor decking
EN 1438 Symbols for timber and wood-based products
EuroCode 5 (EN 1995-1-1: 2004 +A2: 2014) EN 1995-1-1: 2004 +A2: 2014  Eurocode 5: Design of timber structures – General – Common rules and rules for building
EN 12369-1
Wood-based panels – Characteristic values for structural design OSB, particleboard and fibreboards
EN 12369-2 Plywood
EN 12871 (updated) Wood-based panels – Determination of performance characteristics for load bearing panels for use in floors, walls and roofs
EN 13501-1 Fire classification of construction products and building elements
Classification using test data from reaction to fire tests +A1: 2009
EN 13986 Wood-based panels for use in construction – Characteristics, evaluation of conformity and marking
EN 14272 Plywood – Calculation method for some mechanical properties
EN 14279 Laminated Veneer Lumber (LVL) – Definitions, classification and specifications
EN 14374 Timber structures – Structural laminated veneer lumber – Requirements
EN 15804:2012 + A1:2013 Sustainability of construction works – Environmental product declarations – Core rules for the product category of construction products.
 EN 16733:2015 Reaction to fire tests for building products – Determination of a building product’s propensity to undergo continuous smouldering
 EN ISO 12460-3:2015 Wood-based panels – Determination of formaldehyde release – Gas analysis method
 EN ISO 12460-5:2015 Wood-based panels – Determination of formaldehyde release – Extraction method (called the perforator method)
 PD CEN/TR 12872 (updated)  Wood-based panels – Guidance on the use of load-bearing boards in floors, walls and roofs
 DD CEN/TS1099 Plywood – Biological durability – Guidance for the assessment of plywood for use in different use classes

 

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All Questions OSBPlywood

What is a ‘life cycle stage’ and how do these link to the environmental assessment of whole buildings?

How do core category rules link with environmental product declarations?

Whose responsibility is it to check that wood products being imported into the EU do not originate from illegally sourced timber supplies?

Does the EUTR require mills to provide any extra documentation for customs entry into the European Union?

Must all plywood and OSB panels carry a CE marking?

What is the definition of a construction product under the CPR?

What is a Declaration of Performance referred to under the Construction Products Regulation?

What is the difference between Structural 1 and Exposure 1?

Does structural panel siding have shear values?

What are mould and mildew, and do they compromise the integrity of engineered wood?

The CE-mark on an APA plywood panel means it conforms to European Standards – but which ones?

I want to use a Rated Sheathing panel for flooring/ roofing application, what info do I need to know?

Plywood: Span rating
OSB: Span rating

What extra strength benefits do Structural 1 OSB panels provide over standard Rated Sheathing panels?

Do APA panels give off formaldehyde?

Plywood: Formaldehyde
OSB: Formaldehyde

What is the difference between a touch-sanded panel and sanded panel?

I’d like to know how APA veneer grades match those given in the European standards

How do I correctly gauge the face appearance a plywood Siding panel?

I want to specify an APA panel for concrete formwork – what do I need to know?

Are APA panels tongue and grooved on all four edges?

I am not familiar with the term ‘Sized for Spacing’ – what is its significance?

How are Performance Category and thickness related?

I’d like to know more about a panel’s Span Rating and how it links to thickness.

Plywood: Span rating
OSB: Span rating

What is Span Rating on the APA trademark and why is it important?

Plywood: Span rating
OSB: Span rating

What is the difference between Exposure 1 and Exterior plywood panels? What are their appropriate uses?

What are the main OSB panels likely to be available in Europe?

What are the main plywood panels likely to be available in Europe?

What are the main European standards that I would need to be aware of for OSB panels?

The main standards are: EN 13986 and EN 300

What are the main European standards that I would need to be aware of for plywood panels?

The main standards are: EN 13986, EN 636, EN 314, EN 635-3