Stop It© Flat Patch™

Flat Patch Pipe Repair

Stop It® Flat Patch is a leak sealant product designed for applications where localized repair is needed or full pipe wraps are impractical.

The carbon fiber composite repair system quickly restores operations for storage tanks, floating lids, vessels and large-diameter pipes operating at pressures up to 1,000 psi, and provides localized corrosion inhibition.

Stop It Flat_Patch-pipe-repair

Click below to view the individual product data sheet:

Flat Patch Data Sheet
Flat Patch Application Instructions

Need Help?

Questions? Call us for technical support, product information or help with any questions.

Technical Information

Tanks | Vessels | Large diameter Pipes | Valve and pump Casings | Welded Seams | Rail Cars | Roofs | and More

Standard Kit Sizes: 4″ x 4″ and 6″ x 6″ | Custom repair sizes available

Physical Properties

Shelf Life: Six months from date of purchase when stored at 40° to 83°F (5° to 28°C)
Color: Component 1 – clear Component 2 – straw
Mixing Ratio: As supplied, dual cartridge dispenser
Pot Life: 8 minutes at 72°F (22°C), after mixing for films less than ½” thick
Sealant Viscosity: Gel-like before cure

Reinforcement Fibers

3K Multifilament Continuous Tow
Tensile Strength: 510-635 KSI
Tensile Modulus: 33.0-34.9 MSI
Elongation: 1.4-1.95%


Pressure Limitation: Recommended for pressures up to 1,000 psi (70 kg/cm2, 69 bar)
Maximum Operating Temperature: 135°F/51°C following ambient cure; 175°/80°C when annealed

Chemical Resistance

Stop It® Flat Patch is recommended for pressure sealing applications involving most categories of chemicals and hydrocarbons. Extended chemical resistance data is available upon request. End users are encouraged to verify specific resistance before application.

Resistance Against
  • Inorganic Acids = Excellent
  • Chlorinated Solvents = Good
  • Bases = Excellent
  • Organics (except some acids) = Excellent