Α turf joining system including a first piece and second piece of a synthetic turf and a bridge support. The first and second pieces have side edges which are closely adjacent each other. The bridge support heat welds to the overlying first and second pieces to form an elongated first heat weld and elongated second heat weld each proximate and spaced from the respective side edge to define a water channel therebetween. A method of sealing a plurality of synthetic turf pieces together is disclosed.