Gibraltar Building Products Code Cap Top, 1/2-in to 4-in Pipe, 6-in Base, AluminumAluminum Code Cap Top Vent & Pipe Flashing Durable aluminum code cap top designed to vent kitchen, bath, laundry, and water heater exhausts through the roof while resisting winddriven rain. Fits 1 2 in to 4 in pipes with a 6 in base and provides ample airflow with a protective mushroom shaped cap. Key Features: Wide Compatibility: Fits 1 2 in to 4 in exhaust pipes with a 6 in base Weather Protection: Mushroom shaped cap helps block wind driven rain

Aluminum Code Cap Top Vent & Pipe Flashing

Durable aluminum code cap top designed to vent kitchen, bath, laundry, and water heater exhausts through the roof while resisting wind‑driven rain. Fits 1/2-in to 4-in pipes with a 6-in base and provides ample airflow with a protective mushroom-shaped cap.

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Key Features:

• Wide Compatibility: Fits 1/2-in to 4-in exhaust pipes with a 6-in base
• Weather Protection: Mushroom-shaped cap helps block wind-driven rain while allowing airflow
• Rugged Aluminum Build: 0.025-in 3003 aluminum resists corrosion and heat up to 220°F
• Easy Assembly: Cap slots mate with base tabs for quick, secure installation
• Code-Cap System: Tops sold separately from bases; approved for Type “B” gas vents

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Specifications Table:

Specification	Details
Primary Material	Aluminum (Type 3003, 24 gauge, 0.025-in thickness)
Fits Pipe Size	1/2-in to 4-in
Base Size	6-in x 6-in
Maximum Temperature	220°F
Color/Finish Family	Silver
Manufacturer Color/Finish	Silver
UNSPSC	30151600
Top Diameter	9-1/4 in (23.5 cm)
Height	12-1/4 in (31.12 cm)
Cap to Base Connection	Cap slots align with base tabs and bend to secure
Roof Pitch Compatibility	Flat to 5/12 pitch
Application	Exhaust vent for kitchen, bath, laundry, and water heater pipes; approved on Type “B” gas vents
Design	Mushroom-shaped code cap top
Prop 65 Warning	Yes

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Frequently Asked Questions (FAQ):

Q: What pipe sizes does this flashing work with?
A: It accommodates pipes from 1/2 inch up to 4 inches.

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Q: Is the base included with the cap?
A: No. The cap top and base are sold separately and are designed to lock together via tabs and slots.

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Q: What material is it made from?
A: 24-gauge Type 3003 aluminum with 0.025-in thickness.

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Q: What roof pitches can it be used on?
A: Code cap and base combinations are adjustable for flat roofs up to 5/12 pitch.

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Q: What applications is it suited for?
A: Commonly used for bathroom, kitchen, laundry, and water heater exhausts; tested and approved on Type “B” gas vents.

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Sleek, Functional Venting with a Clean Roofline

This aluminum code cap top lends a refined, modern silhouette to the roof—streamlined and purposeful. The mushroom cap detail creates a subtle architectural moment while shielding the vent from rain. Pair it with a matching aluminum base and crisp shingle layouts for a cohesive, high-performance finish. It’s a quiet essential that elevates everyday living with smart, durable design.

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Upgrade your roof’s exhaust with this aluminum code cap top for reliable airflow and weather protection—add it to your project today.