Röben Portland XLDF Anthracite Smooth Clinker Brick

Roben Portland XLDF Anthracite Smooth Clinker Brick is a high-quality clinker brick featuring a smooth face and a muted black anthracite shade obtained by engobing. It is ideal for modern buildings, minimalist projects, and can also inspire creative designs in other architectural styles. Like all Röben clinker bricks, it offers longevity, durability, and excellent resistance to water, frost, wind, and fire.

Properties

• Smooth face surface with original anthracite colouring
• Perfect for modern projects
• High technical parameters of bricks
• Large XLDF format: 365 x 115 x 52 mm

Technical Data

• Dimensions of a brick XLDF: 365 x 115 x 52 mm
• Total area of perforation: >15% ≤ 50%
• External wall: 21 mm
• Bulk density of brick NF i LDF: 1500 kg/m³
• Bulk density of brick VNF i VLDF: 2300 kg/m³
• Bulk density of brick NF SP: 1650 kg/m³
• Bulk density of brick 7-S: 1900 kg/m³
• Bulk density of brick XLDF: 1600 kg/m³
• Strength of brick NF, NF SP, LDF, XLDF: ≥35 N/mm²
• Strength of brick 7-S, VNF, VLDF: ≥45 N/mm²
• Absorbability: 6%
• Frost resistance: category F2
• Acid resistance: +
• Alkali resistance: +
• Coefficient of thermal conductivity of brick NF, LDF, XLDF: P = 50% - 0.37 W/mK, P = 90% - 0.43 W/mK
• Coefficient of thermal conductivity of brick NF SP i 7-S: P = 50% - 0.45 W/mK, P = 90% - 0.51 W/mK
• Coefficient of thermal conductivity of brick VNF, VLDF: P = 50% - 0.72 W/mK, P = 90% - 0.79 W/mK