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GAF Master Flow Storm Collar, 4 in., 28 Gauge, Mill Finish (SMC4)

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 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.

$3.10

Original: $10.33

-70%
GAF Master Flow Storm Collar, 4 in., 28 Gauge, Mill Finish (SMC4)

$10.33

$3.10

Product Information

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Description

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.

GAF Master Flow Storm Collar, 4 in., 28 Gauge, Mill Finish (SMC4) | Super Arbor