Celcon Block High Strength and Super Strength Grade
H+H's Celcon Blocks High Strength Grade (7.3N/mm2) and Super Strength Grade (8.7N/mm2) are used principally where higher compressive strengths are required.
Celcon Block Standard Grade
Celcon Blocks Standard Grade is BBA certified and has a compressive strength of 3.6N/mm2. Due to its all round performance, it can be used throughout the build.