Strong-Seal Plug

  • Water Tight Seal: Expands to fill all voids and seal all substrates
  • Versatile: Bonds and seals concrete, metal, plastic, wood and pre-cast connections.
  • Environmentally Friendly: Non-hazardous, No VOCs, CFCs or HFCs

Call for Pricing

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Product Description

Strong-Plug® 55 lb. rapid-setting, high-performance leak sealing solution designed for use in concrete and masonry structures. It is ideal for critical infrastructure repairs, especially in manholes, tanks, tunnels, and pipelines. With a final set time of less than 1 minute, Strong-Plug® immediately halts water infiltration, allowing for fast and effective repairs. Its impressive compressive strength—over 1,000 PSI in just 1 hour and 2,500 PSI in 24 hours—ensures long-lasting, durable results that stand up to the demands of heavy traffic and harsh environments.

Specifically formulated to withstand freeze/thaw cycles, corrosive chemicals, and sulfate-rich conditions, Strong-Plug® is perfect for maintaining the structural integrity of manholes and wastewater facilities. Easy to mix and apply, either as a slurry or dry powder, this versatile product offers consistent performance and significant cost savings by reducing the need for frequent maintenance. Strong-Plug® is the go-to choice for municipalities and contractors looking for a reliable, efficient solution to restore and protect essential infrastructure.

Product Specifications

Packaging

50 lb. bucket

Compressive Strength

ASTM C109
>1,000 psi | 1 Hour
>2,500 psi | 24 Hours

Flexural Strength

ASTM C293
>1,200 psi | 28 days

Freeze/Thaw Resistance

ASTM C666
Pass, No Damage | 100 Cycles

Bond Strength

ASTM C882
>2,000 psi | 28 days

Sulfate Resistance

ASTM C267
No Mass Loss | 15 Cycles @ 2000 ppm

Pull-Out Strength

ASTM C234
14,000 lbs

Final Set

Yield per Bucket

0.45 ft3 / 10.8 ft2 @ ½” thick