Solid Dense 7.3N Concrete Block is only available from us in the one size of 440 x 215 x 100mm. These blocks are extremely versatile and can be used in a number of situations. They have high strength which means they are suitable for creating load bearing walls. They also have some sound insulation as well as being water resistant. They are also able to receive a plaster coating and they create a good base for fixings. For a block with thermal capabilities, see Celcon Solar Aerated Concrete Block 2.9N. Give our team a call on 01628 674910 for further advice or assistance. PLEASE NOTE: The image is for representative purposes only, if unsure please order a sample Due to the Covid-19 pandemic, brick manufacturers have seen a surge in demand which has led to stock shortages and extended lead times. The price set against the product is based on them being in stock and delivered out of selected depots. We will always try to make sure that our customers' orders are fulfilled, but in the event we cannot supply the bricks within our selected network we will offer an alternative solution where possible.