1. Unique identification code of the product type:

Hollow Precast Concrete Shuttering Block - Stepoc

2. Type, batch or serial number or any other element allowing identification of the construction product as required under Article 11(4) of the CPR:

Stepoc - STEP256V3FLE - Full Length Plain End V3
Dimensions - Length Lb x Width Tb x Height H (mm): 400 x 256 x 225

3. Intended use or uses of the construction product, in accordance with the applicable harmonized technical specification, as foreseen by the manufacturer:

Intended use for the construction of external walls, internal walls and partitions when filled with concrete or mortar. (Intended to be laid dry)

4. Name, registered trade name or registered trade mark and contact address of the manufacturer as required under Article 11(5):

Supreme Concrete Limited
Coppingford Hall, Coppingford Road, Sawtry, Cambridgeshire, PE28 5GP, UK

5. System of assessment and verification of constancy of performance of the construction product as set out in Annex V:

System 4

6. In case of the declaration of performance concerning a construction product covered by a harmonized standard:

EN 15435:2008
Notified Body: Not applicable

7. Declared performance:

Essential CharacteristicsPerformanceHarmonised Technical Specification
Dimensions: L x W x H (mm):
Web recess area (for one recess):
400 x 256 x 225
6370 mm2
EN 15435:2008
Mechanical strength:
Tensile strength of webs:
Flexural strength of shells:
NPD N/mm2
6.4 N/mm2
Reaction to fire:Euroclass A1
Water vapour permeability:5/15 μ
Dry skrinkage/moisture movement:0.52 mm/m
Thermal conductivity:1.00 W/(m.K)
Airbourne sound insulation/ Mass: NPD
Durability: XF2
For detailing and geometrical properties, see the Technical Documentation.

Technical Documentation:
Product Catalogue

8. The performance of the product identified in points 1 and 2 is in conformity with the declared performance in point 7. This declaration of performance is issued under the sole responsibility of the manufacturer identified in point 4.

Signed for and on behalf of the manufacturer by:

Name: Will Hicks
Position: Ibstock Concrete Operations Director
Place: Coppingford Hall, PE28 5GP, UK
Date: 3rd February 2020