Rockwool RockLap 25mm Pipe Insulation 159mm

25mm Rockwool RockLap Pipe Insulation (159mm outer diameter) delivers pre-formed stone wool insulation segments engineered for straightforward installation. These sections arrive pre-slit with factory-fitted foil facing and integrated self-adhesive lap, enabling rapid application directly onto pipes and sealing with backing tape.

Designed for heating and ventilation pipework across residential, commercial, and industrial settings, 25mm Rockwool RockLap Pipe Insulation sections provide dependable thermal insulation performance. With over 60 years of proven reliability across varying climates and conditions, this product delivers consistent results.

Product specification

• Model: 25mm RockLap
• Thickness: 25mm
• Outer diameter: 159mm
• 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

Cylindrical stone wool insulation segments with pre-slit design for effortless fitting, reinforced with foil facing and integral self-adhesive lap for rapid installation.

Key features include

• Non-combustible construction with Euroclass A2L-s1, d0 rating
• Reinforced aluminium foil facing delivering vapour-resistant protection
• Self-adhesive foil lap enabling quick installation whilst reducing reliance on additional aluminium tape
• Tested to EN 1366-3 standards for penetration seal fire resistance, delivering up to EI 120 protection

Applications

Rockwool RockLap H&V Pipe Sections suit pipework operating between 0°C and 200°C. Specifically tested for fire stopping where steel and copper pipes penetrate fire-resistant walls and floors. This certification ensures continuous insulation through separating elements, eliminating costly local removal or replacement requirements.

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

Service Temperature

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

Durability

Rockwool stone wool insulation products demonstrate exceptional resilience, durability, and dimensional stability, preserving thickness and form indefinitely. Testing confirms Rockwool insulation sustains its insulating properties and performance characteristics for over 65 years post-installation.

More Information on 25mm Rockwool RockLap Pipe Insulation (159mm Outer diameter)

• Manufaturer Link: 25mm Rockwool Rocklap
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