Quinn Standard Grey Cement is a portland-fly ash general purpose cement intended for use in a wide variety of applications. It is manufactured using Quinn Ordinary Portland cement complying with the requirements of BS EN 197-1 and Fly ash to BS EN 450. Both these materials are combined at the production facility to produce a blended cement. This unique cement product has reduced water demand whilst giving improved durability. supplied in a 25kg bag. Please note this product is supplied in a paper bag so cannot be left exposed to the elements.