Non-metallic building products, including: non-metallic building materials for flooring; non-metallic screed rails non-metallic building materials for flooring; non-metallic screed rails; concrete screed rails; capping and strips for key joint plates, expansion joint plates, contraction joint plates, rebate moulds, crack inducers and formwork for concrete; joint filler strips for concrete; dowel sleeves and dowel caps; reinforcing bars, reinforcing dowels, reinforcing bar and rod stabilizers; casting formers and formwork for concrete; plastics fixings for the aforesaid goods; cementitious floor coatings