Bismac has been operating since 1979 and is one of Sydney's most reputable building and hardware suppliers, specialising in fire rated door supply and installation. Our team of experts offers a high level of personalised service, consistent quality, and delivery schedules. Many of our customers have been with us for years due to our quality of service and expert knowledge. Bismac has gained an excellent reputation as a supplier in the building, hardware and fire and entry door industry over the years because we consistently provide reliable services and, most importantly, peace of mind for our valued customers.