TRI-BUILT 6 in. Aluminum Code Cap Top Only Round, Mill Finish - image 1

TRI-BUILT 6 in. Aluminum Code Cap Top Only Round, Mill Finish

Regular price $23.35

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TRI-BUILT 6 in. Aluminum Code Cap Top Only Round, Mill Finish


This TRI-BUILT code cap is a 6 in. round, top-only aluminum cap in a mill finish, sold as a single piece. It provides the code-required cap for round vent or pipe terminations. Pair it with the matching TRI-BUILT base or flashing component in the same size.


Key Features:

  • Round top-only design: Cap is the top-only round style for the outlet of the assembly.
  • 6 in. diameter: Diameter is 6.0 in. as listed for this item.
  • Aluminum construction: Made of aluminum for a lightweight, corrosion-resistant cap.
  • Mill finish: Supplied in a bare mill aluminum finish.
  • Code-compliance cap: Designed as a code cap for vent terminations.
  • Single-piece unit: Sold as one piece per selling unit.

Specifications Table:

Specification Details
Brand TRI-BUILT
Manufacturer model TB90149
Sell unit 1 piece
Product line Code Cap
Profile / style Top Only Round
Color Mill
Dimensions 6.0 in. diameter
Material Aluminum
Finish / texture Mill
Weight 1.038 lb

Fit and Compatibility:

Designed for use with TRI-BUILT code cap assemblies as the top-only round component. Confirm the base or flashing portion is ordered separately in the matching 6 in. size.


Frequently Asked Questions (FAQ):

Q: What is included with this item?
A: One 6 in. round, top-only aluminum code cap in mill finish.


Q: Does this include the base?
A: No, this is the top-only component; order the matching base or flashing separately.


Q: What size opening does it fit?
A: It is a 6.0 in. diameter cap; verify your assembly size before ordering.


Q: Will it rust?
A: It is made of aluminum, which is corrosion resistant, in a bare mill finish.


Q: Can it be painted?
A: The item is supplied in mill finish; consult the manufacturer before field painting.


Expert Verdict — Reviewed by the SuperArbor Pro Desk

Match the cap diameter to the installed code cap base size; undersized tops will not cover the outlet properly. Aluminum construction keeps weight low on the roof and resists corrosion. Verify local code requirements for vent terminations as part of the installation plan.

Sheet-metal edges can be sharp; wear gloves when handling and installing metal caps.


Order the TRI-BUILT 6 in. Aluminum Code Cap Top Only Round today to complete your vent termination.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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