Can you use Celcon blocks below ground?

Can you use Celcon blocks below ground? Celcon Foundation Blocks can be laid below ground level without mortar perpends. All Celcon Foundation Blocks may also be used above ground, with appropriate finishes, for solid wall construction. Can you use Thermalite blocks underground? Yes, all Thermalite blocks are suitable for use below ground. The mirco-cellular structure … Continue reading Can you use Celcon blocks below ground?