Decking Blocks - Block and Beam applications. Decking Blocks are manufactured for use in Block and Beam applications for pouring concrete levels. S120 Decking Block Length...530mmHeight ...190mmWidth...120mmWeight...18.95kg'sPRODUCT ENQUIRIES S200 Decking Block Length...530mmHeight ...190mmWidth...200mmWeight...26.80kg'sPRODUCT ENQUIRIES