1. Unique identification code of the product type:

Aggregate Concrete Masonry Unit - Closure Block

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:

TCL215PCK - Closure block (Category II Masonry Unit)
Dimensions, L x W x H (mm): 215 x 100 x 140 (H = block height)

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

Intended use in conjuction with structural beam-and-block floor systems (to fit between the beams on the bearing ends)

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 771-3:2011 +A1:2015
Notified Body: Not applicable

7. Declared performance

Essential CharacteristicsPerformanceHarmonised
Dimensions: L x W x H (mm):(1)215 x 100 x 140EN 771-3:2011 +A1:2015
Dimensional tolerances:
Tolerance Category:
Plane Parellelism:
Configuration:(1)Group 1 unit to EN 1996-1-1 (EC6)
Compressive strength:(1)
Mean compressive strength:
Direction of load:
Unit Category
10.4 N/mm2
Perpendicular to bed faces
Category 2
Dimensional stability - moisture movement: (1)0.20 mm/m
Shear bond strength (fixed value): (1)NPD N/mm2
Flexural bond strength:1NPD N/mm2
Reaction to fire:(2)A1 (Commission Decision 2000/605/EC)
Water absorption:(3)15 g/m2s
Water vapour permeability:(4)5/15 μ (Tabulated value)
Direct airbourne sound insulation:(5)
Gross dry density
1864 kg/m3
(as above)
Thermal resistance:0.82 W/(m.K)
Durability against freeze/thaw:NPD
Dangerous substances:None

(1) for units intended to be used in elements subject to structural requirements.
(2) for units intended to be used in elements subject to fire requirements.
(3) for units intended to be used in damp proof courses or in external elements with exposed face.
(4) for units intended to be used in external elements.
(5) for units intended to be used in elements subject to acoustic requirements.

For additional information see website:

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