Epoxy
Explore Repiper’s offering of high-quality two-part EX epoxy for epoxy lining and professional pipe relining projects.
OVERVIEW
High-quality epoxy for any relining project
Repiper’s high-quality, two-part EX epoxy is supplied in pre-portioned metal containers and is easy to prepare and use. It offers strong structural and adhesive properties for reliable epoxy lining installations.
The epoxy is available in three curing speeds, allowing the appropriate option to be selected based on the project size, ambient temperature, installation method and required working time.
Repiper epoxy is designed to evenly saturate compatible felt liners before installation. Once the CIPP epoxy liner has been positioned and cured, the resin forms a strong, continuous and corrosion-resistant lining inside the existing pipe.
When selecting an epoxy type for a project or climate, always review the technical data and consult your Repiper representative when additional guidance is required.
Repiper EX1-2 – Normal
A fast-reacting epoxy designed for tight schedules and colder environments. EX1-2 kicks off curing even at 5 °C, making it ideal for early morning starts or cooler climates. It sets quickly and builds strong mechanical properties, ideal for pull-in-place and inversion lining where time matters.
Key Specs:
- Curing starts from 5 °C (41 °F) without heat
- Warm curing: ~100 min at 50 °C (122 °F)
- Pot life in liner at 20 °C: ~50 min
Repiper EX2-2 – Slow
EX2-2 gives you a steady, predictable window for liner impregnation and installation. It handles well in moderate temperatures and has good tolerance to humid surfaces. Use it when you need more time without sacrificing mechanical performance.
Key Specs:
- Curing starts from 7 °C (44.6 °F) without heat
- Warm curing: ~180 min at 50 °C (122 °F)
- Pot life in liner at 20 °C: ~2–2.5 h
Repiper EX4-2 – Very Slow
Built for large jobs and hot environments, EX4-2 offers a long pot life and stable handling even at higher ambient temperatures. This makes it perfect for complex relining work where timing and flow matter more than speed.
Key Specs:
- Curing starts from 10 °C (50 °F) without heat
- Warm curing: ~3 h at 50 °C (122 °F)
- Pot life in liner at 20 °C: ~4 h
EPOXY CALCULATOR
Calculate the required epoxy for your projects
Easily calculate the required epoxy components for your epoxy lining project. Enter the liner type, dimensions and weight to receive precise measurements for Component A and Component B.
The results provide the total epoxy weight, roll gap and the necessary epoxy mix for saturating the liner before installation.
OUR PRODUCT CATALOG
Everything you need
for relining
Explore Repiper’s complete catalogue of patented CIPP relining tools, liners, fixtures, epoxy, packers, accessories, and starter packages.
WHAT’S INSIDE THE CATALOGUE
- Complete product range with use cases
- PJS tools, fixtures and liners for joint relining
- Packers, Backshooters, Cannon and epoxy systems
- Installation and application guidance
- Sizes, specifications and compatibility details
- Repiper starter packages, accessories and add-ons
FAQs
What is epoxy lining?
Epoxy lining is a pipe rehabilitation method in which epoxy resin is used to saturate a liner before it is installed inside an existing pipe. Once cured, the epoxy helps create a strong, continuous and corrosion-resistant internal lining.
How do I choose the right epoxy curing speed?
The correct curing speed depends on the project size, ambient temperature, installation method and required working time. Faster-curing epoxy may suit smaller or cooler projects, while slower options provide more time for larger or more complex installations.
What is a CIPP epoxy liner?
A CIPP epoxy liner is a flexible liner saturated with two-part epoxy resin before installation. It is positioned inside the existing pipe and cured to form a durable new internal pipe surface.
How much epoxy is needed for a pipe relining project?
The required amount depends on the liner type, diameter, length and weight. Repiper’s epoxy calculator can be used to estimate the necessary quantities of Component A and Component B for the project.
Why is even epoxy saturation important?
Even saturation helps ensure that the liner contains the correct amount of epoxy throughout its full length. Inconsistent saturation may affect the strength, curing and overall quality of the completed epoxy lining installation.