MasterFlow Tapered Stack Roof Flashing, 3 in.

Durable 30‑gauge metal roof flashing designed to seal around rooftop penetrations. The tapered stack and press-sealed design provide maximum leak protection in a mill finish for long-lasting performance.

Key Features:

• Leak Protection: Press-sealed design helps prevent water intrusion around roof penetrations
• Tapered Stack: Angled collar aids drainage and integrates cleanly with roofing materials
• Durable Construction: 30-gauge metal for strength and longevity
• Sized for Fit: 3 in. diameter opening accommodates compatible vents or pipes
• Ready for Installation: Mill finish flashing for straightforward integration on residential roofs

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What pipe or vent size does this flashing fit?
A: It is designed for a 3 in. diameter penetration.

Q: What is the material thickness?
A: The flashing is 30 gauge metal.

Q: Is the finish coated?
A: It comes in a mill finish (unpainted) suitable for most roofing applications.

Q: How does it prevent leaks?
A: The press-sealed design creates a tight seal around the stack to minimize water ingress.

Q: Is this compatible with MasterFlow ventilation products?
A: Yes, it’s part of GAF’s MasterFlow line and works with compatible roof vents and stacks of matching size.

Sleek, Purposeful Protection for the Roofline

This tapered flashing introduces a refined, architectural moment at the roof penetration—clean, polished, and utterly functional. The mill finish gleams subtly, framing the stack with confident simplicity. Use it to punctuate a streamlined vent layout, keeping lines crisp and water out. It’s a quiet essential that elevates the craft of a well-detailed roof.

Choose the GAF MasterFlow tapered roof flashing for a secure, leak-resistant seal around 3-inch roof penetrations.