UL 1978-listed grease duct: welded, leak-tested, inspection-ready.
Grease-laden vapor requires more than chimney — it requires UL 1978-listed grease duct. Metalcraft fabricates welded, leak-tested grease duct systems with engineered access doors, clearance documentation, and the package needed to pass inspection on the first try.
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Our in-house engineering team provides complete design assistance, structural calculations, and drafting support for projects of any scale.