BS EN 15644:2008
Current
The latest, up-to-date edition.
Traditionally designed prefabricated stairs made of solid wood. Specifications and requirements
Hardcopy , PDF
English
31-01-2009
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General principles
4.1 Classification
4.1.1 General
4.1.2 Climatic conditions (location)
4.1.3 Traffic frequency
4.1.4 Comfort
4.2 Performance characteristic required
4.2.1 General
4.2.2 Mechanical resistance and stability
4.2.3 Safety in case of fire
4.2.4 Hygiene, health and environment (dangerous
substances)
4.3 Geometry of stairs and safety in use
4.3.1 Geometry of stairs including landings
4.3.2 Slipperiness
4.3.3 Safety equipment
4.3.4 Safe breakage
4.3.5 Impact resistance
4.4 Protection against noise
4.5 Energy economy
4.6 Aspects of durability, serviceability and identification
4.6.1 General
4.6.2 Resistance to deterioration caused by climatic
conditions
4.6.3 Resistance to deterioration caused by chemical
agents
4.6.4 Resistance to deterioration caused by biological
agents
4.6.5 Finishes
5 Methods of verification and assessments
5.1 Performance characteristics and verification methods
5.1.1 General
5.1.2 Mechanical resistance and stability
5.1.3 Design provisions for earthquake resistance
5.1.4 Load/displacement behaviour and vibrations
5.1.5 Resistance of fixings
5.2 Safety in case of fire
5.2.1 Resistance to fire
5.2.2 Reaction to fire
5.3 Safety in use
5.3.1 Geometry on the stair including landings
5.3.2 Slipperiness
5.3.3 Safety equipment
5.3.4 Safe breakage
5.3.5 Impact resistance
5.4 Protection against noise
5.5 Thermal performance
5.6 Aspect of durability, serviceability and identification
5.6.1 General
5.6.2 Resistance to deterioration caused by climatic
conditions
5.6.3 Resistance to deterioration caused by chemical
agents
5.6.4 Resistance to deterioration caused by biological
agents
5.6.5 Finishes
6 Application to prefabricated stairs made of solid wood
6.1 Intended use
6.1.1 General
6.1.2 Intended use: heated space
6.1.3 Intended use: unheated space (humid conditions)
6.1.4 External conditions non exposed or exposed
6.2 Materials
7 Solid wood prefabricated stair characteristics
7.1 General
7.2 Solid wood products
7.3 Other materials
7.4 Safety in case of fire
7.4.1 Resistance to fire
7.4.2 Reaction to fire
7.5 Dangerous substances
7.5.1 Formaldehyde release (expressed in term of classes)
7.5.2 Content of pentachlorophenol (expressed in term
of values)
7.6 Safety in use
7.6.1 Impact resistance
7.6.2 Slipperiness
7.6.3 Load bearing capacity of stairs
7.6.4 Stability and stiffness
7.6.5 Resistance to fixing
7.7 Acoustic performance
7.8 Biological durability
7.8.1 General
7.8.2 Natural durability
7.8.3 Wood treated against biological attack
7.8.4 Biological durability level (expressed in term
of use classes)
7.9 Surface resistance
7.9.1 Finishes and wear resistance
7.9.2 Hardness
7.9.3 Resistance to chemical agents
7.10 Safety equipment
7.11 Safe breakage
7.12 Impact resistance
7.13 Behaviour of stair in various/changing indoor and
outdoor climates
7.14 Dimensions
7.15 Classification and decorative appearance of elements
7.16 Dimensioning of risers and treads and the slope of the
stair
7.17 Finishing
8 Factory production control
8.1 General
8.2 Equipment
8.3 Raw material and components
8.4 Production process
8.5 Product testing and evaluation
8.6 Non-conforming products
9 Labelling
10 Handling, installation, maintenance and care
Annex A (informative) - Dimensional and performance
characteristics of balustrades, handrails and
flights of stairs in connection with the classification
given in 4.1
A.1 Handrails and/or balustrades
A.1.1 Minimum lowest height of handrails and/or
balustrades corresponding to the classification
given in 4.1
A.1.2 Grip of handrail
A.2 Mechanical performance characteristics
A.3 Sequence of tests
Annex B (informative) - General considerations regarding biological
durability
B.1 General precautions (extract from EN 335-2:2006, Annex 3)
B.2 Natural or conferred durability of sound wood
(extract from EN 335-2:2006, Annex 4)
Annex C (normative) - Formaldehyde classes
C.1 Product to be tested
C.2 Materials to be tested
Annex D (informative) - Remind of classes of reaction to fire
performance for construction products for flooring including
their surface coverings (OJEC 150/18 - 23.2.2000)
(Extract from EN 13501-1:2007)
Annex E (informative) - Examples of traditional and non traditional
timber stairs
E.1 Examples of traditional timber stairs
E.2 Examples of non traditional timber stairs
Bibliography
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