Product Description
The Metal-Fab 4MF-12 is a cone base gas vent roof flashing designed for use with Type B gas vent systems. This model features a four-inch diameter and supports roof pitches ranging from six-twelfths to twelve-twelfths. The dual-layer construction includes a 0.012-inch aluminum alloy flue and a 0.018-inch G90 galvanized steel casing.
- Durable aluminum and steel materials.
- Compatible with various gas appliances including boilers and furnaces.
- Meets UL 441 and NFPA 54/211 standards.
Product Highlights
The 4MF-12 roof flashing is suitable for a range of roofing applications and is crafted to ensure safety and efficiency.
Product Information
Standard Information
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Brand: Metal-Fab
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MPN: 4MF-12
Technical Specifications
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Diameter: 4 inches
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Base Size: 20 inches length x 20 inches width
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Material: Aluminum alloy (flue), G90 galvanized steel (casing)
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Pitch: 6/12 to 12/12
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Applicable Standard: UL 441, NFPA 54/211
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Material Thickness: 0.012 inches (inner wall), 0.018 inches (outer wall)
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Application: Gas boiler, fireplace, furnace, unit heater, radiant tube heater
