Section Contents

Standards & Applications: Performance Characteristics

Standards required for determining OSB panel performance characteristics for specific applications, see below. See also, performance characteristics for EN 300 and list of all relevant EU OSB standards.

 Performance Characteristic  European Standard  Applications
Bending strength EN 310, EN 326-1 All applications, floors, walls, roofs & non-construction use
Bending stiffness (Modulus of Elasticity) EN 310, EN 326-1
Internal bond EN 319, EN 326-1 All application, floors, walls, roofs & non-construction uses
Residual internal bond EN 319, EN 321 or boil test in EN 1087-1 as modified in EN 300 All application, floors, walls, roofs & non-construction uses
Durability (swelling in thickness) EN 317, EN 326-1 All application, floors, walls, roofs & non-construction uses
Durability (moisture resistance) EN 321 or boil test in EN 1087-1 as modified in EN 300 clause 5.6.1.3 All applications, floors, walls, roofs & non-construction uses
Residual bending strength EN 321, EN 310, EN 326-1 All applications, floors, walls, roofs & non-construction uses
Release of formaldehyde(Class E1) EN 717-1, EN 120 and EN ISO 12460-5 All applications, floors, walls, roofs & non-construction uses
Reaction to fire EN 13501-1, or taken from EN 13986 Table 8 All applications, floors, walls, roofs
Water vapour permeability EN ISO 12572, or taken from EN 13986 Table 9 All applications, floors, walls, roofs
Airborne sound insulation EN 13986 Clause 5.10 Only required if uses subject to acoustic sound requirements e.g. interior walls & ceilings
Sound absorption EN ISO 354, or taken from EN 13986, Table 10 Only required when panel is intended as an acoustic absorbent e.g. interior walls & ceilings
Thermal conductivity EN 12664, or taken from EN 13986 Table 11 Only for thermal insulation requirements
Strength & stiffness for structural use EN 789, EN 1058, EN 12369-1 All structural applications, floors, walls & roofs.Some non-construction uses e.g. industrial shelving
Impact resistance for structural use EN 1195, EN 12871EN 596 Structural applications, floors, roofs & wall sheathing.Some non-construction uses e.g. industrial shelving
Strength & stiffness under point load EN 1195, EN 12871 Structural applications, floors & roofs.Some non-construction uses e.g. industrial shelving
Mechanical durability EN 1156, or modification factors taken fromEN 1995-1 All structural applications, floors, walls & roofs
Biological durability EN 335 All applications, floors, walls, roofs & non-construction uses
Content of pentachlorophenol CEN/TR 14823 All applications, floors, walls roofs & non-construction uses

 

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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?

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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?

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Plywood: Span rating
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The main standards are: EN 13986 and EN 300

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