The TopShield Galvanized Roof to Wall Flashing Mill 2″ x 4″ 26 GA 110 degree is a transition flashing for jobs that require TopShield model/MPN 16643 in the PC sell unit. The most pervasive and difficult-to-control weather element threatening your roof is water.

Key Specs

• Brand: TopShield
• Model / MPN: 16643
• SKU: TOPTS2X4SF8
• Sell unit: PC
• Product type: Transition Flashing
• Size / color: 2″ x 4″ 26 GA 110 degree
• Category: Flashing | Flashing/Transition Flashing | Residential Roofing | Residential Roofing/Flashing | Residential Roofing/Flashing/Transition Flashing

Key Features

• Flashing options help mitigate the risk of water damage to susceptible areas like roof valleys, chimneys, eaves, skylights, ridges and more
• Made from durable, low-maintenance materials
• Extend the life of your roof while giving your home a great finishing touch

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 transition flashing, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

TopShield Galvanized Roof to Wall Flashing Mill 2″ x 4″ 26 GA 110 degree, sold as PC, with SKU TOPTS2X4SF8 and manufacturer model/MPN 16643.

What model or part number should I match?

Match model/MPN 16643 and confirm the brand is TopShield. 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 TopShield model/MPN 16643, SKU TOPTS2X4SF8, and the PC sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.