FL Sheet Metal · Drainage & Ventilation

Metal Roofing Gutters & Drainage Accessories — Tampa, FL

Gooseneck Vents · Vent Boots · Box Gutters · Downspout System

Drainage & Ventilation Accessories

Gooseneck Vent — 4 inch
$48
Bathroom, laundry, and low-flow exhaust venting through metal panels
Gooseneck Vent — 6 inch
$52
Kitchen exhaust and medium-capacity attic ventilation
Gooseneck Vent — 10 inch
$108
High-capacity attic ventilation for large commercial and agricultural structures
Vent Boot — Size #2
$24
Small plumbing vent pipe penetration seal
Vent Boot — Sizes #3–#5
$35–$55
Standard plumbing vent sizes for most residential applications
Vent Boot — Sizes #6–#8
$65–$90
Large vent pipe penetration seal for commercial plumbing systems
Box Gutter Section
$60/10 ft
Integrated box gutter for R Panel and PBR commercial roof systems

Managing Metal Roof Drainage in Florida

Florida averages 50+ inches of annual rainfall, much of it delivered in intense afternoon thunderstorms during the wet season that can drop an inch of rain in 30 minutes. Metal roofs are exceptionally efficient water-shedders — far more so than porous shingles — which means the gutter and drainage system on a metal-roofed building handles higher peak flow volumes and must be sized accordingly.

For residential metal roofs in Tampa and Hillsborough County, standard 5-inch K-style gutters are typically adequate for single-family homes. For commercial and agricultural metal buildings with large roof areas, box gutters — integrated directly into the eave trim system — provide the capacity to handle substantial rainfall runoff without overflow. FL Sheet Metal's box gutter sections are fabricated in matching panel colors and install as part of the continuous eave trim profile.

Roof penetrations are the most common source of leaks on metal roofs. Every pipe, vent, or conduit that passes through a metal panel creates a potential infiltration point if not properly flashed. Our gooseneck vents are specifically designed for through-panel installation on R Panel, PBR, and 9-5 Panel — they include a built-in mounting flange and are available in three sizes to match your ventilation requirements. Vent boots for plumbing vent pipes are available in sizes #2 through #8, covering every residential and commercial plumbing vent pipe diameter used in Florida construction.

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