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Decorative Concrete Facing Blocks

Twinbloc ™ Stack Bond Appeal

A UNIQUE STACK-BONDED APPEARANCE WITH STRUCTURAL INTEGRITY

(l to r) K2 Crawley, Miller Homes Gateshead, Brent Travelodge

Twinbloc Ivory at Cardinal Hulme School, Gateshead

Twinbloc^TM masonry is the fast, sure, economical way to create the impressive appeal of 'stack bonding'. Created to standard block proportions, Twinbloc^TM incorporates a carefully gauged central groove to give the appearance of two half blocks when laid and yet, as it is laid stretcher-bond, it provides the inherent strength of any Specification Masonry wall removing the need for bed-joint reinforcement to stabilise the wall in the majority of situations. It is available in a choice of:

Mean Compressive Strength (air dry)
Solid: 17.5 N/mm²
Cellular: 10.4 N/mm²

Net Dry Density*: 2100 kg/m³
*For Gross Dry Densities, please refer to Table 3
in the Forticrete Masonry Design Guide

Manufacturing Tolerance:
D1 (+2-2mm in all directions)

Category: I

Thermal Properties:
as CIBSE Guide A table 3.1:
Protected: 1.46 W/mK
Exposed: 1.56 W/mK

Durability:
see table 12: BS 5628- 3:2005

Water Absorption:
<75 g/m²/s0.5

Moisture Movement:
<0.45mm/m

Water Vapour Permeabiltiy:
(tabulated from EN 1745): 5/15µ

Reaction to Fire:
Euroclass A1

Shear Bond Strength:
(tabulated from EN 998-2:2003 Annex C)
0.15 N/mm²

Configuration: to EN 1996-1-1
Solid: Group 1
Cellular Group 2

Air Leakage:
Solid: <5m³/hr/m²
Cellular <7.5m³/hr/m²

For choice of colours please see the relevant section for the Primary Face Finish:

	Texture and Fairface Brochure (858 KB)	Click here to download
	Florentine & Venezia Brochure (822 KB)	Click here to download
	Masonry Design Guide (1615 KB)	Click here to download
	Masonry Sitework Guide (1085 KB)	Click here to download

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