FORSPEC ACTFLEX HYDROPLUG Rapid-Setting, Non-Shrink Leak Stopper

ACTFLEX HYDROPLUG is a rapid-setting, non-shrink cementitious compound designed to instantly stop active water leaks under pressure. It provides a waterproof seal for leaks in concrete and masonry surfaces, making it ideal for cracks, holes, and penetrations in areas exposed to continuous water ingress.

Product Type: Rapid-Setting, Non-Shrink Cementitious Compound

Application: Instant Leak Sealing for Concrete & Masonry

Technical Data

Coverage Info: Varies based on depth & surface; approx. 1 kg covers 0.5 sqm at 2mm thickness

Calculated Coverage: 10-12 sqm per 20kg bag at 2mm thickness

Waterproof Time: Instant upon application (fully waterproof within 5-10 minutes)

Opening Usable: 2-3 minutes after mixing

Drying Time:

1-2 minutes Full dry: 5-10 minutes

Vapor Permeability: Low permeability, acts as a moisture barrier

Application Temperature: 5°C – 35°C

Shelf Life: 12 months in original, sealed packaging

Colour: Cement Grey

Membrane Class: Not applicable (rigid, non-membrane)

Tack-Free Time: 1-2 minutes

Recoat Time: Not required (single application)

Elongation: Rigid, non-flexible (0% elongation)

Chemical Resistance: Resistant to mild acids, alkalis, and salts

Full Cure Time: 24 hours for maximum strength

Thickness: Can be applied from 2mm to 50mm in a single layer

Chemical Base: Cementitious blend with special polymers

Cure Mechanism: Hydraulic setting reaction

Tear Resistance: High impact and tear resistance

Service Temperature: -20°C to 80°C

Solids Content: 100% (fully solid upon curing)

Bond Strength: ≥ 2.0 MPa (concrete failure mode)

Density: 1.8 – 2.0 g/cm³

Compressive Strength: ≥ 40 MPa at 28 days

Flowability: Non-flowable, stiff consistency for vertical and overhead applications