25mm Rockwool RockLap Pipe Insulation

25mm Rockwool RockLap Pipe Insulation delivers pre-formed stone wool segments engineered for straightforward installation on pipework. Each section arrives pre-slit with a factory-bonded foil facing and integrated self-adhesive lap, allowing rapid application and sealing with backing tape.

Designed for heating and ventilation pipe applications across residential, commercial, and industrial settings, this 25mm Pipe Insulation provides dependable thermal insulation performance. Rockwool's proven track record spans over 60 years of reliable thermal protection in diverse climates and exposure scenarios.

Product specification

• Model: 25mm RockLap
• Thickness: 25mm
• Outer diameter: 17mm
• 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 fitting, combined with foil facing and an integral self-adhesive lap for efficient installation.

Key features include

• Non-combustible construction with Euroclass A2L-s1, d0 rating
• Reinforced aluminium foil facing creating a vapour-resistant barrier
• Self-adhesive foil lap enabling rapid installation, reducing reliance on additional aluminium tape
• EN 1366-3 tested for fire resistance at penetration seals, delivering up to EI 120 protection

Applications

Ideal for pipework operating between 0°C and 200°C, RockLap sections excel at providing fire stopping where steel and copper pipes penetrate fire-resistant walls and floors. This tested performance eliminates the need for local removal or replacement of pipe insulation, 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

25mm Rockwool RockLap sections offer water-repellent properties. When deployed or stored outdoors, protective waterproof covering is recommended. For cold pipe insulation applications, seal joints using foil tape to prevent condensation formation.

Service Temperature

This 25mm Rockwool Pipe insulation suits pipes operating between 0°C and 250°C. To preserve foil facing bond strength, ensure insulation thickness maintains outer surface temperatures below 80°C.

Durability

Rockwool stone wool insulation products demonstrate exceptional resilience, durability, and dimensional stability, preserving thickness and form throughout their lifespan. Testing confirms Rockwool insulation maintains its thermal performance and characteristics for over 65 years post-installation.

More Information on 25mm Rockwool RockLap Pipe Insulation ( 17mm Outer diameter )

• Manufaturer Link: 25mm Rockwool Rocklap
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