Rockwool RockLap 25mm Pipe Insulation 102mm OD

25mm Rockwool RockLap Pipe Insulation with 102mm outer diameter delivers pre-formed stone wool segments engineered for straightforward fitting. Each section arrives pre-slit with factory-bonded foil facing and integrated self-adhesive lap, enabling rapid installation directly onto pipes and sealing with backing tape.

Designed for heating and ventilation pipe insulation across residential, commercial, and industrial applications, these segments provide reliable thermal insulation performance. Rockwool's proven track record spans over 60 years of consistent thermal protection in varied climates and demanding conditions.

Product specification

• Model: 25mm RockLap
• Thickness: 25mm
• Outer diameter: 102mm
• Length: 1000mm
• Density: 120kg/m3
• Thermal Conductivity: 0.033W/mK
• R-Value: 0.76m2K/W
• Pack quantity: 1
• Fire Rating (Reaction to Fire): A2L-s1, d0
• Resistance to fire: Tested to BS EN 1366-3 to provide up to 120 minutes fire resistance
• Brand: Rockwool

These cylindrical stone wool insulation segments feature pre-slit construction with foil facing and integral self-adhesive lap for efficient installation.

Key features include

• Non-combustible material with Euroclass A2L-s1, d0 rating
• Reinforced aluminium foil facing delivering vapour-resistant protection
• Self-adhesive foil lap enabling quick installation without additional tape requirements
• EN 1366-3 tested for fire penetration seals, delivering up to EI 120 protection

Applications

Suitable for pipework operating between 0°C and 200°C, these sections excel at fire stopping where steel and copper pipes pass through fire-resistant walls and floors. Continuous installation through separating elements eliminates costly local removal or replacement work.

Fire performance

• Euroclass A2L -s1,d0. • Tested to EN 1366-3, the harmonised European standard for the fire resistance of penetration seals. • Provide up to 120 minutes* fire resistance integrity and insulation.

Water Resistance

These Rockwool RockLap sections resist water absorption. When exposed outdoors, protective waterproof covering is recommended. For cold pipe insulation applications, seal joints with foil tape to prevent condensation formation.

Service Temperature

Suitable for pipe insulation on pipes operating between 0°C and 250°C. Maintain foil facing bond strength by ensuring outer surface temperatures remain below 80°C.

Durability

Rockwool stone wool insulation delivers exceptional resilience and dimensional stability, preserving thickness and shape indefinitely. Performance testing confirms insulation properties remain intact for over 65 years post-installation.

More Information on 25mm Rockwool RockLap Pipe Insulation ( 102mm Outer diameter )

• Manufaturer Link: 25mm Rockwool Rocklap
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