1/2" Wall Insulation Tube Pipe, Rubber Pipe,6' x 7/8" Pipe (O.D.)

K-Flex 6RX048078 – 1/2" Wall, 7/8" ID Elastomeric Pipe Insulation, 6' Length

The K-Flex 6RX048078 is a flexible elastomeric thermal insulation product engineered for chilled water, refrigeration, and plumbing applications requiring reliable thermal performance and condensation control. With a nominal inner diameter of 7/8", 1/2" wall thickness, and standard 6-foot length, this insulation is designed for professional-grade installations in commercial and residential mechanical systems.

Manufactured in the USA, this closed-cell insulation meets ASTM and UL specifications for thermal efficiency, moisture resistance, and fire safety. It incorporates a built-in antimicrobial agent and is suitable for indoor and outdoor use when properly sealed or jacketed, offering durable performance across a broad range of service temperatures.

Product Features

• Closed-Cell Elastomeric Foam – Limits heat transfer while preventing condensation on cold lines.
• Meets ASTM C 534 Type 1 – Compliant with industry standards for flexible elastomeric insulation on pipework.
• Fire and Smoke Performance – UL 94 5V rated and NFPA 101 Class A compliant for building code acceptance.
• Antimicrobial Protection – Integrated EPA-registered additive resists mold and bacterial growth.
• Flexible and Lightweight – Suitable for tight-space applications and retrofit use without compromising insulation performance.

Technical Specifications

• Wall Thickness: 1/2 inch
• Inner Diameter: 7/8 inch
• Length: 6 feet
• Material: UV-resistant elastomeric rubber blend
• Flame/Smoke Rating: UL 94 5V, NFPA 101 Class A
• Standards: ASTM C 534 Type 1
• Package Quantity: 38 pieces per case

Installation Considerations

For effective installation, pipe surfaces should be clean and dry. Insulation should be trimmed with a sharp utility knife and sealed using appropriate pressure-sensitive adhesive or contact cement at all seams to maintain thermal and moisture integrity. In outdoor installations, a protective jacket or coating is recommended to protect against UV exposure and weathering.

Professional Application Notes

This insulation is ideal for contractors working in HVAC, refrigeration, or plumbing installations where temperature stability and vapor barrier integrity are essential. Its flexibility simplifies application in retrofit conditions and complex piping layouts, while its code-compliant fire and smoke properties support use in commercial mechanical rooms and plenum spaces.