Celcon Blocks in Solar, Standard, High Strength and Super Strength grades are the most commonly used aircrete block in the H+H range.
All Celcon Blocks are BBA Certified, are fire resistant (100mm walls, up to 4 hours, 2 hours if loadbearing) and have been classified 0 surface spread of flame and non-combustible to Class A1. Celcon Blocks are manufactured in 440mm x 215mm and are available in thicknesses from 75mm to 215mm. They can be used in the applications box below.
|Celcon Blocks||Solar Grade||Standard Grade||High Strength Grade||Super Strength Grade|
|Thermal Conductivity||0.11 W/mK||0.15 W/mK||0.18 W/mK||0.18 W/mK|
|Density||460 kg/m3||600 kg/m3||730 kg/m3||730 kg/m3|
|Inner leaf of cavity walls||✓|
|External leaf of cavity walls||✓|
|Separating walls||✓ (except Solar Grade)|
|Multi Storey Buildings||✓ (except Solar Grade)|
|Foundations/Below ground level (DPC)||✓|
|Beam and Block Floors||✓ Standard or High Strength recommended|