Stopping Corrosion Before It Starts with Petrowrap
What is Corrosion in Waterworks?
Corrosion is the gradual destruction of metal caused by chemical reactions with water, oxygen, salts, and soil. In waterworks, corrosion often affects pipelines, fittings, valves, and joints buried underground. If left untreated, corrosion weakens infrastructure, causes leaks, and increases long-term maintenance costs.
What is Petrowrap?
Petrowrap is a petrolatum-based protective wrap system used to stop corrosion on pipelines and fittings. It is applied cold, without the need for special equipment, and conforms to irregular shapes such as flanges, valves, and joints.
The Petrowrap system includes:
- Primer – a petrolatum paste that displaces moisture and prepares the surface.
- Filler (Mastic) – used to fill voids and irregularities before wrapping.
- Tape – a fabric-reinforced wrap that creates a long-lasting barrier.
- Optional Overwrap – adds extra durability and mechanical protection.
How Does Petrowrap Work?
Petrowrap creates a moisture- and air-tight barrier around metal surfaces. The system seals out water, oxygen, and contaminants that cause corrosion. It adheres even to damp or minimally prepared surfaces and remains flexible for years, preventing cracks or gaps that could allow corrosion to start.
Benefits of Using Petrowrap
- Corrosion Prevention – Protects pipelines, fittings, and valves from soil, salts, and aggressive environments.
- Easy Application – Cold-applied with no curing time, heating, or special tools required.
- Flexibility – Conforms to irregular shapes and complex fittings.
- Durability – Will not crack, peel, or harden over time.
- Compliance – Meets AWWA C217 and CSA Z245.30 standards for corrosion protection.
- Cost Savings – Extends service life and reduces repair and replacement costs.
Applications of Petrowrap
Petrowrap is widely used across waterworks and industrial applications, including:
- Municipal pipelines
- Valve assemblies
- Flanges and joints
- Industrial and marine piping systems
- Buried and submerged infrastructure
Why Use Protective Wraps in Waterworks?
Protective wraps are one of the simplest and most effective preventive measures for corrosion. By sealing vulnerable points, they extend the service life of infrastructure and reduce the need for costly repairs. For engineers, distributors, and contractors, protective wraps like Petrowrap provide a reliable, low-maintenance solution for long-term performance.
Frequently Asked Questions About Petrowrap
How long does Petrowrap last?
Petrowrap is designed to provide long-term protection, often lasting for decades when applied correctly. Its petroleum-based formulation stays flexible and does not crack, peel, or harden over time.
Can Petrowrap be applied to wet or damp surfaces?
Yes. One of the key advantages of Petrowrap is that it adheres even to damp or minimally prepared surfaces. This makes it ideal for field conditions where perfect surface preparation is not always possible.
Is Petrowrap environmentally safe?
Yes. Petrowrap is non-toxic, contains no VOCs, and is safe for use in both municipal and industrial environments.
What standards does Petrowrap meet?
Petrowrap meets AWWA C217 and CSA Z245.30 standards for protective coating systems in waterworks and underground applications.
Where can Petrowrap be used?
Petrowrap is used on pipelines, flanges, valves, fittings, joints, and other metal surfaces that need protection from corrosion. It is effective in underground, aboveground, and marine environments.
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Corrosion is one of the biggest threats to underground infrastructure, but it can be prevented with the right protective solutions. Petrowrap stops corrosion before it starts, ensuring that waterworks systems remain safe, reliable, and cost-effective for decades.
Contact Pro-Line Fittings to learn more about Petrowrap and how it can protect your next project.