The Celcon Block Standard Grade is a high-quality building block measuring 440 x 215 x 140mm. This lightweight, yet robust block is made from autoclaved aerated concrete, providing excellent thermal efficiency and sound insulation properties. Its perfect for a variety of construction applications, including load-bearing and non-load-bearing walls. The blocks are easy to handle, cut and fix, making them the ideal choice for both professional contractors and DIY enthusiasts alike.