Logic UW FLEX

Flexible Epoxy Injection System for Dynamic Crack Repair, Strengthening & Waterproofing

Logic UW FLEX is a professional epoxy injection system developed for the permanent repair and sealing of cracks in concrete and masonry structures exposed to movement, vibration, moisture, water ingress, and hydrostatic pressure. Using micro- and pico-scale penetration technology, it reaches deep into capillary pores and microcracks beyond the reach of conventional repair materials. After curing, Logic UW FLEX forms a durable, flexible polymer matrix that maintains adhesion and watertightness while accommodating structural movement. Suitable for wet substrates and demanding infrastructure environments, it delivers reliable waterproofing, structural reinforcement, and long-term flexibility with up to 20 years of performance.

Contents:
Paraffin – Polymer – Hydrolysis: Ethanol
bio-based crack repair
Flexible injection system for expansion joints and dynamic cracks Pico Technology waterproofing
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Flexible Protection Against Water Ingress

  • Forms a flexible barrier against water penetration
  • Effective under hydrostatic pressure conditions
  • Maintains watertightness during structural movement
  • Suitable for active leakage environments
  • Ideal for tunnels, bridges, foundations, and underground structures

Dynamic Structural Reinforcement

  • Bonds separated concrete and masonry elements
  • Reinforces structures exposed to movement and vibration
  • Supports load transfer across repaired cracks
  • Maintains adhesion under dynamic loading conditions
  • Provides durable structural performance over time

Adapting to Movement Beyond the Surface

  • Penetrates deep into capillary pores and microcracks
  • Reaches hidden crack networks within the substrate
  • Accommodates expansion, contraction, and vibration
  • Provides internal bonding while remaining flexible
  • Creates a durable waterproof and structural barrier
flexible waterproofing system

Flexible Deep Penetration Technology

Logic UW FLEX combines micro- and pico-scale penetration technology with a flexible polymer formulation to reach deep into concrete pores, capillaries, and dynamic crack networks. The low-viscosity system penetrates hidden pathways within the substrate, enabling effective sealing, waterproofing, and structural bonding throughout the repaired area. Unlike rigid repair materials, the cured polymer matrix remains flexible, allowing it to accommodate movement, vibration, expansion, and contraction without loss of adhesion or watertightness. Suitable for wet substrates and hydrostatic pressure conditions, Logic UW FLEX delivers high mechanical and chemical resistance, long-term durability, and reliable performance in infrastructure, industrial, commercial, and restoration projects. The solvent-free, low-emission formulation provides up to 20 years of protection when properly applied.

Applications of Logic UW FLEX

  • Dynamic crack repair in concrete and masonry structures
  • Waterproofing of tunnels, underpasses, and underground structures
  • Bridge crack and expansion joint sealing
  • Dilatation (expansion) joint treatment
  • Infrastructure exposed to vibration and cyclic loading
  • Lift pits and foundation waterproofing
  • Retaining wall crack sealing
  • Structural rehabilitation of moving concrete elements
  • Historic building and monument restoration
  • Long-term waterproofing of critical infrastructure

Step-by-Step Guide

  1. crack injection leak inspection Step 1: Inspect surface for leaks & cracks, remove excess material.
  2. surface preparation 45° drilling Step 2: Drill 45° holes at 12.5 cm height, 25 cm apart, cross pattern.
  3. 12.5 cm height 25 cm c/c spacing Step 3: Insert injection packers firmly into all drilled holes.
  4. cross-pattern drilling injection packers Step 4: Mix Logic UW Components A + B in 1:1 ratio.
  5. mix A+B 1:1 resin injection ~60 bar, Step 5: Inject resin with machine at approx. 60 bar until saturated.
  6. inject to saturation remove packers mortar seal Step 6: After curing, remove packers & seal holes with mortar.
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Animation & Video

Crack Injection

How to use Logic UW FLEX

Flexible Sealing

Application Areas for Logic UW FLEX

tunnel injection system

Tunnels & Underground Structures

bridge waterproofing system

Bridges & Viaducts

stadium waterproofing system

Stadiums & Arenas

basement waterproofing injection

Foundations & Substructures

flexible joint repair system

Expansion & Dilatation Joints

subway waterproofing injection

Industrial & Transport Infrastructure

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