Flashco 3 in Lead Base Plumber Roof Flashing (Galvanized Cone)

Flashco 3 in Lead Base Plumber Roof Flashing (Galvanized Cone)

$17.57
Sale price  $17.57 Regular price  $83.79
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Flashco 3 in Lead Base Plumber Roof Flashing (Galvanized Cone)

Flashco 3 in Lead Base Plumber Roof Flashing (Galvanized Cone)

$17.57
Sale price  $17.57 Regular price  $83.79

3 in lead base plumber roof flashing

Flashco plumber flashing helps create a watertight seal where a 3 in pipe penetrates the roof. Built with a formable lead base and galvanized cone for a clean, finished look and durable performance.


Key Features:

  • Watertight Pipe Penetration Seal: Helps prevent leaks around 3 in plumbing vent/soil stack roof penetrations
  • Formable Lead Base: Conforms to roof contours for a tight fit and long-lasting seal
  • Galvanized Cone/Riser: Adds rigidity and a clean finished appearance around the pipe
  • Roofing Accessory Application: Designed for roof boot/pipe base flashing uses

Specifications Table:

Specification Details
Brand Flashco
Category Flashing
Subcategory Roof Boots, Roof Jacks & Pipe Base Flashing
Pipe size 3 in
Base material Lead
Cone/Riser material Galvanized (steel)
Base size 24 in x 23 in (large base)
Overall dimensions 3 in x 24 in x 23 in
Unit of measure PC (Piece)

Frequently Asked Questions (FAQ):

Q: What pipe size does this plumber flashing fit?
A: It is designed for 3 inch pipe penetrations.


Q: What materials is it made from?
A: It uses a lead base with a galvanized cone/riser.


Q: What is the base size?
A: The large base is listed as 24 in x 23 in (overall dimensions shown as 3 in x 24 in x 23 in).


Q: Where is this typically used?
A: It is used as roof pipe base flashing (roof boot/roof jack style) to seal around plumbing vents/soil stacks.


A Sleek, Finished Detail for Every Rooftop Line

This plumber flashing turns an exposed roof penetration into a composed, confident detail. The malleable lead base hugs the roof plane with sculptural precision, while the galvanized cone keeps the silhouette crisp and intentional. Let it disappear into the roofline for a quiet, seamless finish—or pair it with complementary metal accents for a cohesive exterior story. It’s the kind of hardworking essential that makes a home feel impeccably resolved.


Choose this Flashco 3 in lead base plumber flashing to help seal your roof’s pipe penetration with a clean, durable finish.

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