As per the British standard specifications (BS EN 1340/2003), the fencing brick should be as per the limits indicated in the specification after 28 days of production which are as follows:
Transverse Strength should be in minimum 3.5 Newton/ mm2 for each of the samples.
The strength of the NIC Bricks is as per stated in the specifications after one day of production. It reaches its highest strength according to the specifications after 7 days only of production.
Other stones may be produced upon the customer›s request and as per the requested quantity and the capacity of the factory.