Composition & Standards
Forticrete Masonry is manufactured from a carfeully controlled mixture of aggregates and cement in accordance with BS EN 771-3:2003 ' Specification for masonry unit' and meets the statutory requirements of the relevant sections of The Building Regulations 2000 and The Building Standards (Scotland) Regulations 1990 (amended 2001). All Forticrete Masonry is manufactured to Category 1 standard, in accordance with BS EN 771-3:2003.
Mean Compressive Strength (Air Dry)
Solid: 17.5 N/mm²
Hollow/cellular: 10.4 N/mm²
Category
1
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
<0.45 mm/m
Water Vapour Permeability
(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
Hollow/cellular: Group 2
Air Leakage
Solid: <5m³/hr/m²
Hollow/cellular: <7.5m³/hr/m²