Pay in installments of $2.58 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
GAF Master Flow Storm Collar, 4 in., 28 Gauge, Mill Finish (SMC4)Master Flow 4 in. Storm Collar Adjustable Master Flow storm collar designed to seal around vent pipes penetrating the roof. Crafted in 28 gauge mill finish metal to help deflect rain, snow, and debris for reliable weather protection. Key Features: Adjustable Fit: Conforms to various roof pitches for a tight seal around pipes Weather Protection: Helps prevent rain, snow, and debris from entering at pipe penetrations Durable Construction: 28 gauge metal
Master Flow 4 in. Storm Collar
Adjustable Master Flow storm collar designed to seal around vent pipes penetrating the roof. Crafted in 28-gauge mill-finish metal to help deflect rain, snow, and debris for reliable weather protection.
Key Features:
- Adjustable Fit: Conforms to various roof pitches for a tight seal around pipes
- Weather Protection: Helps prevent rain, snow, and debris from entering at pipe penetrations
- Durable Construction: 28-gauge metal in mill finish for long-lasting performance
- Easy Integration: Designed for 4 in. diameter vent pipes
- Roof Flashing Compatibility: Pairs with roof flashings to complete a secure vent penetration
Specifications Table:
| Specification | Details |
|---|---|
| Brand | GAF |
| Product Name | MasterFlow Storm Collar |
| Model/Manufacturer Number | SMC4 |
| Product Number | GAFSMC4 |
| Diameter | 4 in. |
| Thickness | 28 Gauge |
| Finish/Color | Mill Finish |
| Style | Flashings |
| Unit of Measure | Each |
| Pieces per Carton | 6 |
| Item Weight | 0.8 lb |
| Intended Use | For use around pipes penetrating roofs to protect against rain, snow, and debris |
| Adjustability | Adjustable for various roof pitches |
Frequently Asked Questions (FAQ):
Q: What pipe size does this storm collar fit?
A: It is designed for 4 in. diameter vent pipes.
Q: Is the collar adjustable for different roof pitches?
A: Yes, it is adjustable to accommodate various roof pitches.
Q: What material and thickness is it made from?
A: It is 28-gauge metal with a mill finish.
Q: How is it used with roof flashings?
A: Install it above the flashing around the pipe and tighten to create a weather-resistant seal.
Q: Is hardware included?
A: A tightening mechanism is integrated on the collar; additional sealant may be used per local codes and best practices.
Sleek Utility That Seals the Skyline
This streamlined storm collar brings a crisp, architectural edge to the most functional part of the roofline. Its mill-finish sheen frames the vent with quiet confidence while the adjustable band cinches neatly to any pitch. Pair it with complementary galvanized flashings for a cohesive, professional look that disappears into the silhouette. It’s a subtle, indispensable detail that elevates durability to a luxury standard.
Choose this Master Flow 4 in. storm collar for a clean, weather-tight pipe penetration that lasts.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy