CertainTeed SmartFlash ONE Liquid-Applied Flashing, Flash Pack Kit (Brown) or 1 Gallon (White)

Regular price $200.00

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CertainTeed SmartFlash ONE Liquid-Applied Flashing, Flash Pack Kit (Brown) or 1 Gallon (White)


CertainTeed SmartFlash ONE is a liquid-applied flashing that cures to virtually become part of the substrate. It is available as a Flash Pack kit (brown) with all materials and tools to flash 17 sq. ft., or as a 1-gallon pail (white). Designed for use with SMARTCOAT 450 High Solids Silicone Coating systems.


Key Features:

  • Complete Flash Pack: The Flash Pack includes 1G resin, 6 in. x 36 ft. polyester, 4 in. roller, two extra naps, 2 in. brush, scissors, two pairs of latex gloves, and 2 in. x 180 in. masking tape.
  • 17 sq. ft. coverage: One Flash Pack contains everything needed to flash or repair 17 square feet.
  • Bonds to substrate: When cured, SmartFlash ONE virtually becomes part of the substrate.
  • Silicone system match: Designed for use with SMARTCOAT 450 High Solids Silicone Coating systems.
  • Packaging options: Available in a Flash Pack, 1G, or 5G pails.
  • Repair friendly: Well suited to flashing and repair work on commercial low-slope roofs.

Specifications Table:

Specification Details
Brand CertainTeed
Sell unit 1 Flash Pack kit or 1 one-gallon pail
Product line CertainTeed SmartFlash ONE
Available colors Brown (Flash Pack kit), White (1 gal)
Available sizes Flash Pack Kit, 1 gal
Material Liquid-applied flashing resin
Coverage per unit Flash Pack flashes or repairs 17 sq. ft.
Pack quantity 1 kit or 1 pail depending on item
Intended use Liquid-applied flashing and repairs on commercial roofing; use with SMARTCOAT 450 High Solids Silicone Coating systems

Coverage & How Much You Need:

One Flash Pack covers approximately 17 square feet of flashing or repair area. For larger jobs, use 1-gallon pails with polyester fabric sold or specified separately, and size coverage to the resin quantity and fabric reinforcement.

Fit and Compatibility:

SmartFlash ONE is designed for use with CertainTeed SMARTCOAT 450 High Solids Silicone Coating systems on low-slope commercial roofing. Flash Pack tools and fabric are included in the kit; pail-only items require roller, brush, and polyester reinforcement purchased separately.


Frequently Asked Questions (FAQ):

Q: What comes in the Flash Pack?
A: It includes 1G resin, 6 in. x 36 ft. polyester, a 4 in. roller with two extra naps, a 2 in. brush, scissors, two pairs of latex gloves, and 2 in. x 180 in. masking tape.


Q: How much area does one Flash Pack cover?
A: Approximately 17 square feet of flashing or repair.


Q: Which colors are available?
A: The Flash Pack kit is brown and the 1-gallon pail is white.


Q: What coating system does it pair with?
A: It is designed for use with SMARTCOAT 450 High Solids Silicone Coating systems.


Q: How does it perform after curing?
A: Once cured, it virtually becomes part of the substrate.


Expert Verdict — Reviewed by the SuperArbor Pro Desk

Liquid-applied flashing excels at irregular penetrations, curbs, and detail work where sheet flashing is difficult. The Flash Pack is ideal for service trucks and billable repairs since every consumable is included. Keep polyester fabric fully wetted with resin and respect cure times before applying SMARTCOAT 450 coatings.

Wear the provided gloves and eye protection, and work in a well-ventilated area when applying liquid-applied flashing resins.


Get CertainTeed SmartFlash ONE in a Flash Pack or 1-gallon pail for your next flashing or repair job.

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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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