Guardian Heat Shrink Sleeve Systems
High-strength corrosion protection for pipeline girth welds and field joints — heat-activated for a strong, reliable bond on new construction and rehabilitation projects.
Field Joint Protection That Performs
Guardian Heat Shrink Sleeve Systems deliver reliable mechanical strength and corrosion resistance for pipeline girth welds and field joints. Heat application activates the adhesive inner layer, ensuring a strong bond to both the bare steel weld zone and the adjacent plant-applied coating.
JST Group supplies and applies Guardian Heat Shrink sleeves as a complete field joint coating service — covering product selection, surface preparation, certified onsite installation, and full quality documentation.
Why Heat Shrink Sleeve Systems?
The standard for field joint corrosion protection — combining mechanical strength, reliable adhesion, and long-term performance in buried pipeline environments.
High Mechanical & Impact Resistance
Heat-activated backing provides exceptional mechanical protection against backfill and soil loads on pipeline girth welds.
Strong Adhesion to Substrate
Heat-activated adhesive layer bonds firmly to steel and plant-applied coatings — ensuring long-term field joint performance.
New Construction & Rehabilitation
Equally suitable for new pipeline construction and the rehabilitation and re-coating of existing field joints.
Proven Long-Term Performance
Decades of international field performance across oil, gas, and water pipelines in diverse soil and operating conditions.
Where Heat Shrink Sleeves Are Used
Girth Weld Protection
Primary application — protecting pipeline field joints and girth welds from corrosion after welding and backfill.
Pipeline Rehabilitation
Re-coating of failed or degraded field joints on existing in-service and out-of-service pipelines.
Field Joint Coating
Continuity protection at the transition between plant-applied coating and the field weld zone.
New Pipeline Construction
Standard field joint coating solution for new construction of oil, gas, and water transmission pipelines.
How We Deliver It
Complete field joint coating service — from sleeve selection through to quality-documented installation.
Sleeve Selection & Supply
Product selection based on pipeline operating temperature, coating system compatibility, and field conditions.
Surface Preparation
Mechanical cleaning of the weld zone to the required standard, including solvent wipe and pre-heating.
Onsite Heat-Shrink Installation
Application by experienced technicians using calibrated heat sources — ensuring full activation, closure, and adhesion.
Quality Inspection
Holiday detection, visual inspection, and documentation for every joint to meet project quality requirements.
System Overview
Guardian Heat Shrink Sleeves are supplied in pre-cut sizes for standard pipe diameters — with closure strips and installation instructions for consistent field application quality.
Experienced Field Joint Coating Teams
- Authorised Guardian applicator — product and installation from one source
- Experience on both new pipeline construction and rehabilitation projects
- Certified technicians using calibrated heat sources for consistent application
- Full holiday detection and quality documentation for every joint
- Integration with wider pipeline corrosion protection programs
Heat Shrink Datasheets
Download technical datasheets for the Guardian heat shrink product range.
CP Epoxy Primer
Severe Corrosive
A 100% solid, solvent-free 2-component epoxy primer developed for corrosion protection of steel pipelines.
- Solid Content
- 100%
- Surface Cure Time
- 4 Hrs @ 23°C
- Pot Life
- 35 Mins @ 23°C
- Shelf Life
- 2 Years
- Superior Protection — An additional line of defense
- Superior Adhesion — Lower installation pre-heat temperature; superior bonding to Steel, PE, PP, FBE or CTE coated pipe
- Fast and Easy Application — User friendly, apply by paintbrush or applicator pad
- Service Life — 30+ years
CRP Repair Patch, Melting Stick
Buried Pipeline / Corrosion Protection
A 2-layer repair patch and melting stick system designed for sealing and protecting damaged pipeline coatings, including void filling.
- Performance
- EN 12068 Class C, HT UV
- Compatible Coatings
- PE, FBE, Coal Tar
- Max Operating Temp
- 80°C (176°F)
- Min Installation Temp
- 70°C (158°F)
- Excellent abrasion resistance — inert to acids, alkalis, and solvents
- Superior moisture and corrosion resistance
- Repairs cracks and voids up to 10mm×10mm with hot melt adhesive stick
- Strong adhesion to PE, FBE, and steel substrates
HSS 80 Sleeve
Buried Pipeline / Girth Weld Joint
A 3-layer heat shrinkable wrap-around sleeve for corrosion protection of buried girth weld joints on steel pipelines.
- Standard Reference
- EN 12068 Class C HT UV, NACE RP0303
- Compatible Coatings
- FBE, 3LPE
- Max Operating Temp
- 85°C
- Preheat Temperature
- 55–90°C (Wet film application)
- Excellent adhesion to steel, PE, PP, and FBE coated pipe — resists cathodic disbondment, moisture, and shear forces
- Fast and easy application — user friendly with cost benefits
- Built-in heat temperature indicator on sleeve backing pattern
- Service life of 30+ years
HSS 60 Sleeve
Buried Pipeline / Girth Weld Joint
A 3-layer heat shrinkable wrap-around sleeve for corrosion protection of buried girth weld joints on steel pipelines.
- Standard Reference
- EN 12068 Class C50, NACE RP0303
- Compatible Coatings
- PE, FBE, PP
- Max Operating Temp
- 65°C
- Preheat Temperature
- 50–70°C (Wet film application)
- Excellent adhesion to steel, PE, PP, and FBE coated pipe — resists cathodic disbondment, moisture, and shear forces
- Fast and easy application — user friendly with cost benefits
- Built-in heat temperature indicator on sleeve backing pattern
- Service life of 30+ years
HRSS DD Sleeve
Directional Drilling / Offshore
Here's the form filled out for the HRSS DD Sleeve: Label: HRSS DD Sleeve Tagline (card body): A high performance fiberglass reinforced heat shrinkable wrap-around sleeve for girth weld joint corrosion protection in directional drilling and offshore pipe coating applications.
- Compatible Coatings
- FBE, PE, PP
- Max Operating Temp
- 80°C (176°F)
- Min Preheat Temp
- 70°C (158°F)
- Shelf Life
- 2 Years
- Superior adhesion to steel, PE, PP, and FBE coated pipe — resists cathodic disbondment, moisture, and shear forces
- Fast and easy application — user friendly with cost benefits
- Built-in heat temperature indicator on sleeve backing pattern
- Service life of 30+ years
HMS 80 Mastic Heat Shrinkable Sleeve
Low / Medium Stress / Moderate Climate
A 2-layer heat shrinkable sleeve engineered for corrosion protection of field girth weld joints in water supply, gas distribution, and transmission networks.
- Construction
- 2-Layer System
- First Layer
- Visco-elastic butyl based adhesive
- Second Layer
- Radiation cross-linked HDPE backing
- Operating Temp Range
- -45°C to 100°C
- Visco-elastic adhesive enables lower pre-heat temperature and full resistance to shear forces from soil and thermal movement
- Superior cathodic disbondment resistance — optimum long-term corrosion barrier
- Quick and easy field installation — no primer required, saves time and cost
- Built-in heating temperature indicator pattern ensures correct application heat
- Wide operating range of -45°C to 100°C suits nearly every application
HMS 65 Sleeve
Low / Medium Stress / Moderate Climate
A 2-layer mastic heat shrinkable sleeve for corrosion protection of field girth weld joints in water supply, gas distribution, and transmission networks.
- Performance
- EN 12068 Class C50, ISO21809-3
- Compatible Coatings
- PE, FBE, Coal Tar, AE
- Max Operating Temp
- 65°C (149°F)
- Min Preheat Temp
- 50°C (140°F)
- Excellent mastic adhesive — lower installation pre-heat temperature with strong adhesion to steel and parent pipe coating
- Fast and easy application — user friendly with cost benefits
- Built-in heat temperature indicator on sleeve backing pattern
- Operating range of -25°C to 65°C suits nearly every application
- Service life of 30+ years
| System | Solid Content | Surface Cure Time | Pot Life | Shelf Life |
|---|---|---|---|---|
| CP Epoxy Primer | 100% | 4 Hrs @ 23°C | 35 Mins @ 23°C | 2 Years |
| CRP Repair Patch, Melting Stick | EN 12068 Class C, HT UV | PE, FBE, Coal Tar | 80°C (176°F) | 70°C (158°F) |
| HSS 80 Sleeve | EN 12068 Class C HT UV, NACE RP0303 | FBE, 3LPE | 85°C | 55–90°C (Wet film application) |
| HSS 60 Sleeve | EN 12068 Class C50, NACE RP0303 | PE, FBE, PP | 65°C | 50–70°C (Wet film application) |
| HRSS DD Sleeve | FBE, PE, PP | 80°C (176°F) | 70°C (158°F) | 2 Years |
| HMS 80 Mastic Heat Shrinkable Sleeve | 2-Layer System | Visco-elastic butyl based adhesive | Radiation cross-linked HDPE backing | -45°C to 100°C |
| HMS 65 Sleeve | EN 12068 Class C50, ISO21809-3 | PE, FBE, Coal Tar, AE | 65°C (149°F) | 50°C (140°F) |
Need help choosing the right system? Talk to our engineering team →
Reliable Field Joint Coating
Contact our pipeline coating specialists to discuss heat shrink sleeve supply and installation for your project.