CertainTeed SmartFlash ONE One-Part Liquid Applied Flashing & Repair Resin, 5 Gallon Pail

CertainTeed SmartFlash ONE is a one-part liquid applied flashing and repair resin supplied in a 5 gallon pail covering approximately 125 sq ft. It is a self-flashing, trowel-applied resin for use in CertainTeed roofing systems and detail repairs. Apply with a trowel or spreader directly at penetrations, transitions and flashing details.

Key Features:

• One-Part Formula: Single-component resin, no mixing required before application.
• Liquid Flashing: Liquid applied flashing for penetrations, curbs, transitions and detail work.
• Repair Resin: Doubles as a repair resin for roof detail and flashing repairs.
• 125 Sq Ft Coverage: A 5 gallon pail covers approximately 125 sq ft.
• Tested Properties: Tested to ASTM D412, D903, D1653, D2240 and D5147 for elastomeric performance.

Specifications Table:

Coverage & How Much You Need:

One 5 gallon pail covers approximately 125 sq ft at the recommended application thickness. Estimate pails by total detail/flashing area divided by 125 sq ft.

Fit and Compatibility:

Designed for use within CertainTeed Roofing systems at flashing details, penetrations and repairs; pair with CertainTeed membranes, underlayments and reinforcement as directed by the system instructions. Substrate priming requirements should be confirmed with CertainTeed’s application guidelines.

Frequently Asked Questions (FAQ):

Q: How much coverage do I get from a pail?
A: A 5 gallon pail covers approximately 125 sq ft.

Q: Does it need mixing?
A: No, SmartFlash ONE is a one-part resin that requires no mixing.

Q: How is it applied?
A: It is liquid applied, typically troweled or spread at flashing details, penetrations and repairs per the manufacturer’s instructions.

Q: Can it be used for repairs?
A: Yes, it is specifically formulated as both a liquid flashing and a repair resin.

Q: How heavy is a pail?
A: Each 5 gallon pail weighs approximately 44 lb.

Expert Verdict Reviewed by the SuperArbor Pro Desk

SmartFlash ONE simplifies detail work on CertainTeed roof systems: no mixing, no measuring, just trowel it where flashing geometry gets tricky. It pairs naturally with CertainTeed membranes and reinforcement at curbs, penetrations and transition details. Confirm substrate preparation and primer requirements against CertainTeed’s current application instructions before use.

Wear gloves and eye protection when handling resin products and work in a well-ventilated area per the product safety data sheet.

Order CertainTeed SmartFlash ONE liquid applied flashing resin in the 5 gallon pail today.