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Durox Supabloc 4

Durox Supabloc 4

Durox Supabloc 4 is mainly used for cavity separating walls between homes that conform to Approved Document E or Robust Detail E-WM-6.  It can also be used for the inner and outer leaves of external cavity walls. Plus, Supabloc 4 can now be used below ground for cavity or internal walls in sulfate conditions not exceeding DS-3. To aid identification, Durox Supabloc 4 is colour coded brown on one end of the block.

 

Technical properties

- Manufactured to BS EN 771-4

- Average compressive strength: 4.2N/mm²

- Dry density: 630kg/m³

- Thermal conductivity: 0.16W/mK

- Reaction to fire: Class A1

- Typical airtightness: 0.12m³/(h.m²) at 50 PA

- Block size: 620mm long x 100-215 mm (various widths) x 215m high

 

Sizes & weights for Supabloc 4 (4.2N/mm²)

Block width (mm) 100 115 140 150 200 215
Unit weights (kg) 8.7 10.0 12.1 13.0 17.3 18.6

 

Unit weights are approximate and based on 3% moisture content

Other sizes are available subject to mnimum order quantities

Find out more

Download the Topblock Durox Aircrete Blocks Brochure (pdf, 1029kb)

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