Guardian Bituwrap Systems
Reliable bituminous corrosion protection for buried and submerged steel assets — proven performance against soil stress, moisture, and mechanical damage.
Reliable Protection for Buried Steel Assets
Guardian Bituwrap Systems provide cost-effective and durable corrosion protection for buried and submerged steel assets. The bituminous compound delivers high resistance to soil stress, moisture penetration, and mechanical damage from backfill and ground movement.
JST Group supplies and applies Guardian Bituwrap as a complete, turnkey corrosion protection system — covering product supply, surface preparation, professional application, and quality inspection from a single source.

Why Bituwrap Systems?
A proven underground corrosion protection solution — durable, economical, and reliably tested in field conditions worldwide.
High Soil Stress Resistance
Bituminous compound withstands soil movement, backfill loads, and ground shifting without cracking or disbonding.
Strong Steel Adhesion
Bonds directly to the steel substrate, creating a persistent moisture barrier that resists undercutting corrosion.
Proven Underground Performance
Decades of global field performance in buried pipeline applications across diverse soil conditions.
Economical Protection
A cost-effective solution for large-scale buried pipeline projects where coating area and material cost are critical factors.
Where Bituwrap Systems Are Applied
Buried Pipelines
Onshore oil, gas, and water pipelines requiring durable protection against soil corrosion and moisture ingress.
Tank Bottoms
External base surfaces of above-ground storage tanks in contact with soil or concrete foundations.
Underground Steel Structures
Foundations, piles, caissons, and buried structural steel in industrial and marine environments.
Pipeline Rehabilitation
Recoating and refurbishment of existing buried pipelines as part of asset life-extension programs.
How We Deliver It
Turnkey bituminous coating services — from system design through to supervised application and quality sign-off.
Design Support
System specification and product selection based on pipeline operating conditions, soil type, and burial depth.
Tape Wrapping
Manual and machine application by qualified technicians — ensuring correct spiral overlap, coverage, and joint sealing.
Inspection & Testing
Holiday detection, thickness measurement, and adhesion testing at each stage of application.
Turnkey Execution
Full project management from surface preparation through to backfill supervision and documentation.
System Overview
Guardian Bituwrap is supplied as a complete system — primer, inner wrap, and outer wrap — designed for reliable long-term performance in buried and submerged conditions.
Single-Source Supply & Application
- Authorised Guardian applicator — product and installation from one source
- Regional presence across Southeast Asia, Middle East, and Africa
- Certified technicians trained in machine and manual wrap application
- Integrated with cathodic protection and corrosion monitoring programs
- Full inspection documentation and quality assurance records provided
Four Components. One System.
Match the service condition of your buried or marine asset to the right Guardian Bituwrap component — from surface primer and standard or high-temperature inner wraps to purpose-built marine hatch sealing tape.
SURFACE PREP
ISO 8501 St2
CURING
No curing required
VOC CONTENT
0%
APPLICATION
Buried pipelines
Guardian Bituwrap Primer
Primer
Adhesion promoter applied directly to the steel substrate before tape wrapping. Ensures a strong mechanical bond and uniform coverage across the pipe surface.
- TYPE
- Bituminous Primer
- SERVICE
- Buried pipelines
- SUBSTRATES
- Steel
- APPLICATION
- Brush or spray
- Promotes strong tape-to-steel bond
- Compatible with Bituwrap tape range
- Fast drying, field-friendly
- Uniform coverage on prepared steel
Guardian Bituwrap 41HT
Inner Wrap (HT)
High-temperature bituminous inner wrap tape with superior soil stress resistance. Designed for buried applications with elevated operating temperatures.
- TYPE
- Bituminous Tape (HT)
- SERVICE
- Buried, high-temp
- SUBSTRATES
- Steel
- APPLICATION
- Spiral wrap
- High-temperature operating range
- Superior soil-stress resistance
- Thick bituminous corrosion layer
- Cold-applied, no torch required
Guardian Bituwrap 1650
Inner Wrap
Standard bituminous tape wrap for buried pipeline corrosion protection. A cost-effective inner wrap solution delivering reliable long-term underground performance.
- TYPE
- Bituminous Tape
- SERVICE
- Buried pipelines
- SUBSTRATES
- Steel
- APPLICATION
- Spiral wrap
- Proven long-term buried performance
- Cost-effective corrosion barrier
- Cold-applied, easy field install
- Compatible with Bituwrap primer
Guardian Marine Hatch Sealing Tape
Marine Sealing
Cold-applied bituminous tape for sealing metal hatch covers on ships — available in Standard Duty (Bituwrap 41HT / PE carrier) and Heavy Duty (Bituwrap 1650 / PVC carrier) variants.
- TYPE
- Hatch Sealing Tape
- SERVICE
- Marine hatches
- SUBSTRATES
- Metal hatch covers
- APPLICATION
- Cold applied
- Standard & Heavy Duty variants
- Watertight marine seal
- Cold applied, no hot work
- Resilient to ship deck flexing
| System | TYPE | SERVICE | SUBSTRATES | APPLICATION |
|---|---|---|---|---|
| Guardian Bituwrap Primer | Bituminous Primer | Buried pipelines | Steel | Brush or spray |
| Guardian Bituwrap 41HT | Bituminous Tape (HT) | Buried, high-temp | Steel | Spiral wrap |
| Guardian Bituwrap 1650 | Bituminous Tape | Buried pipelines | Steel | Spiral wrap |
| Guardian Marine Hatch Sealing Tape | Hatch Sealing Tape | Marine hatches | Metal hatch covers | Cold applied |
Need help choosing the right system? Talk to our engineering team →
Protect Your Buried Assets
Speak to our coating specialists about system selection, application scope, and project delivery for your buried pipeline protection program.
