
GAF MasterFlow Roof Flashing with Tapered Stack, 3 in. Diameter, 30-Gauge Mill Finish
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:
| Specification | Details |
|---|---|
| Brand | GAF |
| Product Line | MasterFlow |
| Style | Flashings |
| Finish | Mill Finish |
| Diameter | 3 in |
| Thickness | 30 Gauge |
| Weight | 1 lb |
| Manufacturer Number | RFTS3 |
| Product Number | GAFRFTS3 |
| Design Feature | Press sealed design for maximum leak protection |
| Name | MasterFlow Roof Flashing with Tapered Stack |
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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:
| Specification | Details |
|---|---|
| Brand | GAF |
| Product Line | MasterFlow |
| Style | Flashings |
| Finish | Mill Finish |
| Diameter | 3 in |
| Thickness | 30 Gauge |
| Weight | 1 lb |
| Manufacturer Number | RFTS3 |
| Product Number | GAFRFTS3 |
| Design Feature | Press sealed design for maximum leak protection |
| Name | MasterFlow Roof Flashing with Tapered Stack |
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.






















