1-1/4" x 36"x 1/2" Wall Fiberglass Insulation Cover

1-1/4" x 36" Fiberglass Pipe Insulation – 1/2" Wall Thickness

This fiberglass pipe insulation section is specifically manufactured to fit 1-1/4" nominal copper tubing. It measures 36 inches in length and features a 1/2-inch wall thickness. Designed for thermal efficiency, this product helps control heat loss and condensation in mechanical piping systems. It’s suitable for use in a range of commercial, institutional, and industrial installations.

Engineered for mechanical insulation applications, the rigid fiberglass construction is jacketed for enhanced durability and moisture resistance. It meets industry requirements for fire performance and thermal conductivity, helping ensure system reliability over the long term.

Key Product Features

• Fiberglass Core – Provides reliable thermal insulation for hot and chilled water piping.
• 1/2" Wall Thickness – Helps achieve compliance with energy code requirements for piping systems.
• 36" Section Length – Simplifies handling and layout for straight pipe runs.
• Pre-Formed Design – Matches the dimensions of 1-1/4" copper tubing for a consistent fit.
• Protective Jacket – Vapor-retardant facing supports condensation control and system integrity.

Technical Specifications

• Inner Diameter: Sized for 1-1/4" nominal copper tube
• Wall Thickness: 1/2 inch
• Length: 36 inches per section
• Material: Rigid fiberglass with factory-applied vapor jacket
• Use: Indoor mechanical and plumbing systems

Installation Notes

This insulation should be installed over clean, dry piping using mechanical or adhesive closure methods as required. All seams, joints, and terminations must be sealed to maintain thermal continuity and vapor barrier integrity. Cutting may be performed with a sharp utility knife. Use appropriate PPE during handling and installation.

Professional Applications

Ideal for use in commercial piping systems where energy efficiency and condensation control are essential. Common applications include hydronic heating, domestic hot water, and chilled water distribution systems. Meets standard specifications for mechanical insulation in new construction and retrofit work.