Large Diameter Fiberglas™ Pipe Insulation

Description

Owens Corning® Large Diameter Fiberglas™ Pipe Insulation is molded from high-density resin-bonded inorganic glass fibers and designed to fit large-diameter pipes with inner diameters up to 36 inches. Available in one-piece, 36-inch-long hinged sections, this fiberglass insulation offers superior thermal performance for both hot and cold service piping in commercial, institutional, and industrial facilities. Its ASJ Max all-service jacket provides a durable, wrinkle-resistant, and mold-resistant surface that can withstand exposure to water during construction. With an operating temperature range of 0°F to 1,000°F, this insulation is suitable for various piping materials, including iron, copper, and PVC.

Specifications

Material: Resin-bonded inorganic fiberglass
Operating Temperature:
- Flex Core: 0°F to 850°F (-18°C to 454°C)
- Rigid Core: 0°F to 1,000°F (-18°C to 538°C)
Available Diameters: Inner diameter up to 36 inches; outer diameter from 18 to 42 inches
Jacket Permeance: 0.01 perm (ASTM E96, Proc. A)
Water Vapor Sorption: Less than 5% by weight (ASTM C1104)
Corrosion Resistance: Passes ASTM C665 and ASTM C1617 for steel, copper, and aluminum
Flame Spread: 25 or less (UL 723)
Smoke Developed: 50 or less (UL 723)

Fixtures

Available in 36-inch-long hinged sections for easy installation on large-diameter pipes.
ASJ Max Jacket: Smooth, durable, cleanable, and resistant to water exposure and mold growth.
SSL® Positive Closure System: Provides a secure installation without the need for staples or mastic.
Applications: Designed to insulate iron, copper, PVC, and other polymer pipes in commercial, institutional, and industrial settings.