National Products & Services Catalogue The most comprehensive guide to reinforcing available today. All the REBAR, REOMESH, bar chairs, builders film, tools, jointing systems, decorative products, bracing systems, structural decking, lintels formwork and accessories for every construction requirement Click here to download the National Product Catalogue Click here to download the 2011/2012 National Product Catalogue Interactive E-Book BlockAid© - Bar chairs for reinforced masonry BlockAid© is an easy to use plastic bar chair that is fitted into the top of a masonry block to securely locate the vertical and horizontal reinforcing steel within the masonry block wall. Click here to download the BLOCKAID Brochure