McAlpine, The plumbers choice. McApline plumbing traps and wastes are well known in the plumbing industry for being the “best” and are most plumbers first choice when it comes to their plumbing and wastes connections. McAlpine commenced manufacturing plumbing products in 1902 and in 1957 were the first United Kingdom Company to manufacture Plastic Traps. McAlpine now manufactures an exceptionally wide range of plumbing products and wastes of the highest quality for use in the United Kingdom and exports specifically designed products for use in over sixty countries worldwide. As market leader, McAlpine has a reputation for producing innovative products determined by market conditions and customer demand.