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Masonry Cavity Barrier 552 has been designed to prevent the passage of fire through concealed voids within the external fabric of a masonry building.
Euroclass A1 non-combustible.
FLEXI Edge ensures tight friction fit.
High performing acoustic, thermal and fire protection properties.
Will not slump, even if studs shrink.
Zero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP).
For Cavity Size: up to 50mm (15mm compression required)
Thermal Conductivity: 0.038 W/mK
R-Value: 2.47 m²K/W
Fire Rating: A1
The Barrier is suitable for both vertical and horizontal positioning to the edge of cavities, around penetrations, at separating compartment lines and to sub-divide cavities.
Euroclass A1 fire rating / Tested and assessed for up to 60 minutes fire resistance (integrity and insulation) in accordance with BS 476: Part 20.
ISO14001 - Environmental Management.
EN 13162 - Manufactured in accordance with.
A+ rating on BRE Green Guide