Whether it’s a school, hospital, factory, office or residential building, Isover’s HVAC range will provide efficient insulation solutions for pipes and ductwork. Specifying Isover will help to ensure the building’s ductwork is thermally protected, has minimal noise disruption and a professional finish.

What products are in the ISOVER HVAC Range?

Insulation of circular metal ductwork

Strong, flexible, lightweight and easy to handle glass mineral wool rolls with an aluminium foil facing providing an inherent vapour barrier.


CLIMCOVER Roll Alu2 – A cost effective, flexible and easy to handle glass mineral wool roll ideal for use on circular ductwork.
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CLIMCOVER Roll Alu2 Strong – With increased mechanical performance suitable for applications inside or outside a building.
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CLIMCOVER CR Alu2 – Higher mechanical performance designed for use in applications where the resistance to compression is needed.
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Insulation of rectangular metal ductwork

Lightweight, rigid glass mineral woolslabs which offers thermal and acoustic insulation of rectangular ductwork. The slabs feature an aluminium foil facing which provides an inherent vapour barrier.


CLIMCOVER Slab Alu2 – Ideal for the insulation of rectangular metal ductwork, these robust, rigid glass mineral wool slabs provide consistent density and a uniform shape.
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CLIMCOVER Slab Alu2 Standard – With increased mechanical performance, the slabs offer a high quality finish and suitability for applications inside or outside a building.
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CLIMPIPE Section Alu2
Insulation of Pipework

Strong foil-faced pipe sections in a choice of
thicknesses and diameters to accommodate a variety of pipe sizes.

The lightweight preformed `snap-on’ sections, with an aluminium foil facing and a self adhesive overlap right to the edge, provide an inherent vapour barrier and fast, neat installation.

Providing thermal and acoustic insulation, the sections are supplied in 1.2m lengths (one of the longest solutions on the market) resulting in fewer joints and reduced handling.
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U Protect System
Fire Protection

The U Protect system for passive fire protection
combines all the advantages of conventional
thermal and acoustic insulation with increased
fire protection.

The U Protect system has been tested under EN 1366-1 and EN 1366-8 and assessed against BS 476: Part 24. It offers up to 2 hours passive fire protection in HVAC ventilation and smoke extract ducts as well as 1 hour passive fire protection for kitchen ducts.

The system consists of slabs, wired mats and accessories for rectangular and circular ductwork systems.