Description

Armaflex Insulation Sheet 12.5mm is a high-performance, closed-cell elastomeric thermal insulation solution designed to control condensation and prevent energy loss in HVAC and refrigeration systems. With a thickness of 12.5mm (½ inch) and a sheet size of 14 meters in length by 1 meter in width, this insulation roll is ideal for large-scale ductwork, chilled water pipelines, and refrigeration systems.

Key Features of Armaflex Rubber Insulation

• Material Type: Flexible elastomeric rubber foam

• Thickness: 12.5mm (½ inch nominal wall)

• Size: 14m length x 1m width

• Type: FSK (Foil-Scrim-Kraft) Self-Adhesive backing for quick installation

• Internal Diameter (ID Tube Width): 1 inch

• Classification: Class O – Low smoke and fire performance

Technical Specifications

• Thermal Conductivity: ≤0.038 W/m·K at 25°C (ASTM C518)

• Water Vapour Permeability: ≤0.08 Perm-Inch (ASTM E96)

• Fire Resistance:

  • BS 476 Part 6 & 7 (UK standards)

  • UL 94 approved

  • ASTM E84-05 (Flame/Smoke rating: 25/50)

• Dust & Particle-Free: Ensures clean indoor air quality

• Eco-Friendly: CFC- and HCFC-free, with zero ozone depletion potential

• Durability: Resistant to mould, mildew, and UV degradation

Applications:

• HVAC ducts and pipes

• Cold and hot water pipelines

• Refrigeration lines

• Chilled water systems

• Industrial and commercial insulation needs

Benefits

• Energy savings through minimised heat loss/gain

• An effective moisture barrier to prevent condensation

• Easy to install with the FSK self-adhesive layer

• Lightweight, flexible, and durable

• Suitable for indoor and outdoor use with foil protection

Available at Insulation Materials Kenya Ltd