A SHUTTER BLOCK USED IN A METHOD OF CONCRETE CONSTRUCTION
A shutter block, the shutter block including two regularly spaced shutter walls (1, 2), each shutter wall has a continuous ridge (9) on its top and a continuous recess (10) in its bottom, webs (3) are used to connect the shutter walls, and the webs are adapted to hold reinforcing rods relative to either the top and/or the bottom of the web. One or more dividers (13) can be used to close the, or any, open ends of the shutter blocks or can be used to create sections within the shutter block. The placement of one or more individual shutter blocks together will form larger shutter walls, joined by one or more webs adapted to hold reinforcing rods relative to the top and bottom of a web.