Mulhaupt's offers a full line of quality wood and hollow metal doors. Whether it's for new construction or replacement doors, Mulhaupt's can provide you with a complete door system. Make your building stand out with a classic looking style and rail door from Algoma Hardwoods. Or for a strong hollow metal door try the Curries line? With our 21,000 square foot metal fabrication and wood door shop, we are able to handle all of your needs from cutting in window kits to UL fire labeling. We can do it all.