Composition and Standards
Medici is manufactured from a carefully controlled mixture of aggregates and cement in accordance with BS EN 771-3:2003 'Specification for masonry units' and meets the statutory requirements of the relevant sections of The Building Regulations 2000 and The Building Standards (Scotland) Regulations 1990 (amended 2001).
Mean Compressive Strength (Air Dry)
Solid: 35 N/mm²
Net Dry Density
2400 kg/m³
Gross Dry Density
2300 kg/m³
Manufacturing Tolerance
D 1
length +2,-2mm
width +1,-3mm
height +2,-2mm
Category
1
Thermal Properties
as CIBSE Guide A table 3.1:
Protected: 1.75 W/mK
Exposed: 1.87 W/mK
Durability
see table 12: BS 5628-3:2005
Water Absorption
<15 g/m²/s0.5
Moisture Movement
<0.25 mm/m
Water Vapour Permeability (tabulated from EN 1745)
50/150µ
Reaction to Fire
Euroclass A1
Shear Bond Strength
(tabulated from EN 998-2:2003 Annex C)
0.15 N/mm²
Configeration
to EN 1996-1-1:Group 1
Air Leakage
<1.03m³/hr/m²
Coverage
450 x 225mm 9.88 blocks per m²
400 x 200mm 12.5 blocks per m²