Browse Forums Owner Builder Forum The concreter will take and reuse. In my case I bought structural LVLs and scraped them back and used them as joists. 1 5198 Hi all I need a guidance on how far I need to space expansion joints in the concrete driveway and its type (keyway/foam.) Contraction joints are at 3m max for a 125 slab. Thanks 0 10985 |