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Cellular Dense Concrete Block

Name: Cellular Dense Concrete Block
Brand: Thomas Armstrong (Concrete Blocks) Ltd
SKU: sj61supZWjjEoowzjmepng

Verified by manufacturer 4 months ago

Cellular Dense Concrete Block 140 mm

Thomas Armstrong (Concrete Blocks) Ltd

Third party certifications:

ISO 9001 Quality Management
Certificate type

Dense concrete blocks.

Jump to:

BOS

+44 (0)1207 544214 Website

Application

Suitable for use in the following walls:

Internal partition walls.
Inner and outer leaves of external cavity walls up to three storeys.
Building Regulations (E&W) Approved Document E and Robust Detail acoustic separating walls.

Description

Cellular dense concrete blocks offer a lower weight alternative to solid dense blocks with improved thermal properties. Blinded cells on the upper bed face allows for a full bed of mortar and easier build.

Features and benefits:

Durable and resilient block suitable for high strength, acoustic and decorative applications.
Manufactured from Class 2 aggregates and consist of up to 20% recycled raw material.
Produced to BS EN 771-3.

General information

Color	Grey
Finish	Textured
Material	Concrete
Shape	Rectangle
Length	440 mm
Width	140 mm 215 mm
Height	215 mm
Warranty description	Lifetime

Uniclass	Pr_20_93_52_01 Aggregate concrete blocksPrimary
CAWS	F10/18 Concrete facing blockwork F10/255 Concrete facing blockwork F10/355 Concrete common blockwork F10/36 Concrete common blockwork

Specification data - Aggregate concrete blocks

Standard	To BS EN 771-3.
Block description	Standard. Guidance for specification option: Provides an excellent surface for mortars, renders and plasters.
Configuration	Group 2 to BS EN 1996-1-1.
Compressive strength	-
Mean value	7.3 N/mm².
Characteristic value	5.1 N/mm².
Category	II.
Freeze/ thaw resistance	Frost resistant.
Thermal conductivity	0.88 W/mK (protected inner leaf). 0.92 W/mK (exposed outer leaf).
Recycled content	20%.
Work sizes (length x width x height)	440 x 215 x 140 mm.
Tolerance category	D1.
Density	-
Gross dry density	1850-2100 kg/m³. Manufacturer guidance Specifier to detail.
Net dry density	2000 kg/m³.
Reaction to fire	Class A1 to BS EN 13501-1.
Water absorption by capillarity	90 g/(m2 x s-0.5).
Water vapour permeability	5/15 µ.

Thickness	140 mm.
Weight	205 kg/m²: walled weight. 19.5 kg: block weight.
Moisture movement	0.6 mm/m.
Environmental Product Declaration (EPD)	ISO 14001.
R-Value	0.16 m² K/W.
Sound reduction	49 dB (Rw).

Sustainability data

Contains Red List materials	No
Country of material origin	United Kingdom
Country of product manufacture	United Kingdom
Material	Concrete
Embodied carbon A1-A3 (production stage) as defined in BS EN 15804	12.8 kg CO₂ eq/m² Self declared Guidance for specification option: 12.8 kgCO2e/m².
Recyclability	100%
Recycled content As defined in clause 7.8 of BS EN ISO 14021	20 %
Expected Life	Lifetime