Rockwool RockLap 25mm Pipe Insulation

Rockwool RockLap Pipe Insulation with 25mm thickness and 21mm outer diameter offers pre-formed stone wool sections engineered for straightforward installation. The sections arrive pre-slit with factory-applied foil facing and self-adhesive lap, enabling rapid application directly onto pipework and secure sealing using backing tape.

These Pipe Insulation sections perform exceptionally well for protecting heating and ventilation pipes across residential, commercial, and industrial settings. Delivering superior thermal insulation performance for over six decades, they excel in varied climates and demanding exposure situations.

Product specification

• Model: 25mm RockLap
• Thickness: 25mm
• Outer diameter: 21mm
• 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 for convenient handling, combined with foil facing and integrated self-adhesive lap technology.

Key features include

• Non-combustible construction with Euroclass A2L-s1, d0 certification
• Reinforced aluminium foil facing delivering effective vapour resistance
• Self-adhesive foil lap enabling swift installation with minimal additional tape requirements
• EN 1366-3 tested fire resistance offering up to EI 120 protection

Applications

Suitable for pipework ranging from 0°C to 200°C, these sections excel at fire stopping where steel and copper pipes pass through fire-resistant walls and floors. The tested design allows continuous insulation through separating elements, reducing installation time and labour expenses.

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

Rockwool RockLap H&V Pipe Sections demonstrate water-repellent properties. When deployed or kept outdoors, protective waterproof covering is recommended. For cold pipe insulation applications, seal joints with foil tape to prevent condensation formation.

Service Temperature

This 25mm Rockwool Pipe insulation accommodates pipes operating between 0°C and 250°C. To preserve foil facing bond integrity, ensure the outer surface temperature remains below 80°C.

Durability

Rockwool stone wool insulation delivers exceptional resilience, longevity, and dimensional consistency, preserving thickness and form throughout its lifespan. Extensive testing confirms Rockwool maintains full insulating performance and characteristics for 65+ years following installation.

More Information on 25mm Rockwool RockLap Pipe Insulation

• Manufacturer Link: 25mm Rockwool Rocklap
• Browse our comprehensive Rockwool Insulation range, filtering by thickness or coverage using the left-hand navigation. For project suitability advice or bulk quotations, contact us via phone on +4402038839057, email sales@insulationbee, or Live Chat - Competitive UK Rockwool Insulation Pricing.