The Bay Cities Aluminum T-Top Roof Jack Mill 7" is a pipe flashing for jobs that require Bay Cities Metal model/MPN 7RJDSA in the PC sell unit. A trusted 1-piece roof exhaust with a low silhouette designed for bath, dryer, kitchen or other exhaust ducts terminating up through the roof, Half dome shield contains and distributes exhaust evenly in opposite directions.

Key Specs

• Brand: Bay Cities Metal
• Model / MPN: 7RJDSA
• SKU: BAYRJT7A
• Sell unit: PC
• Product type: Pipe Flashing
• Size / color: 7"
• Category: Flashing | Flashing/Pipe Flashing | Residential Roofing | Residential Roofing/Flashing | Residential Roofing/Flashing/Pipe Flashing

Key Features

• Rust resistant aluminum construction

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different pipe flashing, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Bay Cities Aluminum T-Top Roof Jack Mill 7", sold as PC, with SKU BAYRJT7A and manufacturer model/MPN 7RJDSA.

What model or part number should I match?

Match model/MPN 7RJDSA and confirm the brand is Bay Cities Metal. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the PC sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Roofing and exterior-envelope work can involve fall hazards, weather exposure, fumes, adhesives, and system-specific installation requirements; follow the manufacturer instructions, OSHA-safe work practices, and local code or use a qualified contractor.

Product Expert Notes

Choose this item when Bay Cities Metal model/MPN 7RJDSA, SKU BAYRJT7A, and the PC sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.