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








