PERF-ETC. STEEL CORP. is an independent distributor of galvanized steel products and machinery commonly used in HVAC and agricultural industries.We specialize in galvanized perforated coils used in double wall ductwork, grain aeration, acoustical sound attenuators and hardware. We have capacity up to 60" wide which gives us the versatility to slit, level and shear to your exact specifications. The more common coil sizes are stock items.Machinery services to the HVAC industry include spare parts and service for Spiral pipe machines. We are also proud to represent a line of high speed wire welders.