Section Contents

US CE-Marked Plywood: Relevant EU Standards

Plywood SheathingThe (updated) harmonised European standard enabling the CE marking of plywood is EN 13986:2004+A1:2015  Wood-based panels for use in construction – Characteristics, evaluation of conformity and marking.

Important standards for construction with plywood

  • EN 13986:2004+A1:2015 
  • Eurocode 5 i.e. EN 1995-1-1 : Design of timber structures – General – Common rules and rules for building.  This gives the rules for timber products when used in the design of construction works.
  • EN 636: 2012 Plywood – Specification.
  • Performance characteristics and specific applications.
  • Specific requirements of EN 636 for general purpose use and for structural (load bearing) applications in dry, humid and exterior conditions as well as a classification based on bending properties.
  • EN 314-2: Plywood – Bond Quality – Requirements
  • EN 717-1, (EN 717-2) and now EN ISO 12460-3: Wood-based Panels – Determination of Formaldehyde Release
  • 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 12369-2: Wood-based Panels – Characteristic Values for Structural Design – Plywood
  • EN 12871 (now updated): Wood-based panels – Performance specifications and requirements for load bearing boards for use in floors, walls and roofs
  • CPD EN/TR 12872: Wood-based panels – Guidance on the use of load-bearing boards in floors, walls and roofs.


APA in Europe Wizard

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