Long-term splash zone corrosion protection for marine steel pipe pile (SPP) structures.

HDPE Jacket Pile System

The splash zone is the most aggressive corrosion area on marine piles—high salt concentration, high oxygen supply, constant wet–dry cycles, and continuous mechanical impact.
GESIT’s HDPE Jacket Pile System eliminates corrosion by creating a continuous waterproof barrier between seawater and the pile surface—removing one of the four essential corrosion cell elements (electrolyte).

This system consists of:

  • Primer Paste – for steel surface priming
  • Petrolatum Tape – corrosion prevention layer
  • HDPE Geomembrane Jacket – external mechanical protection
  • HDPE Girder (Locking Strip) – fastening system
  • Stainless Steel Bolt & Nut – mechanical locking

Key Features & Benefits

  • Long-term corrosion protection for splash zone and tidal zone.
  • Highly impermeable barrier to seawater and moisture.
  • No cracking, hardening, or aging — remains flexible over time.
  • Resistant to acids, alkalis, and salts.
  • Fast installation and minimal surface preparation.
  • Non-toxic, environmentally safe materials.
  • Excellent mechanical durability through HDPE geomembrane.

Typical Service Areas

  • Ports & jetties
  • Offshore platforms & marine terminals
  • Coastal bridges & piers
  • River crossings & waterfront facilities
  • Industrial marine pipelines

Product Components

1. Primer Paste

Initial steel surface primer. Helps petrolatum adhesive bond effectively even on slightly moist or corroded steel.

2. Petrolatum Tape

A non-woven polyester synthetic fabric saturated with petroleum wax, inert fillers, and inhibitors.
Properties:

  • Soft, moisture-displacing
  • Highly adhesive to steel
  • Chemically neutral—does not oxidize or polymerize
  • Maintains dielectric & water resistance indefinitely
  • Only requires SSPC-SP2/SP3 surface prep

3. HDPE Geomembrane Jacket

Provides the main mechanical protection layer and acts as a solid water barrier. Prevents impact damage from waves and floating debris.

4. HDPE Girder (Jacket Lock System)

Mechanically secures the outer HDPE wrap.

5. Stainless Steel Bolt & Nut

Corrosion-resistant fastening hardware for long-term integrity.

HDPE Jacket Pile Installation

1. Petrolatum Paste Application
2. Petrolatum Tape Wrapping
3. Securing HDPE Using Bolted Girder
4. Installed HDPE Jacket Pile

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