Solvent Weld waste pipe, also know as glue fit waste pipe, is available in inch and a half (40mm) and inch and a quarter (32mm) pipes. Solvent weld is available in both white and black pipe and with a selection of fittings including elbows, 45 degree corners and t pieces. Unlike push fiot waste pipe, solvent fit requies each joint to be glued and once glue together creates a solid joint which can not be broken or reused.