Regional Sheetmetal Manufacturing constructs spiral pipe from 26 ga to 18ga. We offer cut to length joints, 10' being standard. Flexibility allows us to construct 20' lengths if needed. Our stock is well maintained up to 16", and sizes up to 48" are available upon request. We offer spiral pipe in Aluminum, Stainless Steel, Paint Grip, and PVS in sizes 4" thru 48".