Kingspan Industrial Insulation Ltd

The energy performance of building services can have a significant impact on long-term running costs. To optimise system efficiency, Kingspan Industrial Insulation offers several premium performance pipe and ductwork insulation solutions

Pre-Insulated Ductwork

Traditional ductwork installations require a two-phase operation whereby heavy galvanised sheet metal ductwork is first installed and then separately lagged with insulation. This process is both time and labour intensive and means significant working space is required to allow installers to properly insulate the system.

The Kingspan KoolDuct System resolves these issues. It comprises fibre-free phenolic insulation faced with aluminium foil. This pre-insulated design allows the system to be installed in a single-fix — greatly reducing project time-scales and complexity.

The rectangular ductwork can be fabricated in sections up to 2.95 m long — at least twice the length of traditional sheet metal ductwork — cutting down the overall number of duct sections required. It is also far lighter than traditional alternatives. This means that multiple KoolDuct System sections can be joined at floor level then lifted and installed in a single operation.

Once installed, The Kingspan KoolDuct System helps to minimise energy usage. Research has shown that air leakage from ductwork fabricated from The Kingspan KoolDuct System can be reduced to a fraction of those typical of rectangular sheet metal ductwork.

It is also the only premium performance pre–insulated ductwork in the world to be UL Listed as a Class 1 Air Duct, to Standard for Safety UL 181 (Underwriters Laboratories: Factory Made Air Ducts & Air Connectors), when fabricated to a specification clearly defined by UL.

Ductwork Insulation

Kingspan Industrial Insulation also offers Kingspan Kooltherm FM Duct Insulation and Therma Duct Insulation which can be fitted around steel ductwork and associated products, in both indoor and outdoor applications, with an operating temperature range of –20°C to 80°C.

They can deliver thermal conductivities as low as 0.022 W/m.K, providing a slim insulation solution and allowing more installation space. The products, manufactured at the company’s Pembridge site, are certified ‘Excellent’ under the demanding responsible sourcing standard BES 6001.

Kingspan Kooltherm FM Duct Insulation is certified by FM Approvals to Factory Mutual Research Approval Standard – Pipe Insulation Class Number 4924 when manufactured and installed in accordance with the conditions defined by the approval.

The three Kingspan ductwork solutions are also available as freely downloadable BIM objects from

Pipe Insulation

Kingspan Kooltherm FM Pipe Insulation is the thinnest and most efficient product commonly available for the insulation of pipework in building services and HVAC applications. It is available in a range of thicknesses to suit different performance specifications and is offered with either an aluminium foil or matte black facing.

The BRE Green Guide A+ rated product holds BDA Agrement® certification along with a national LABC Warranty and LABC Registered Detail. It has also been awarded a best-in-class Eurofins Indoor Air Comfort Gold certificate, recognising it as outstanding material according to the VOC Indoor Air Quality emissions standards. The product is available as a free BIM object from

To achieve optimal energy efficiency, Kingspan Kooltherm Insulated Pipe Support Inserts can also be supplied. Thermal analysis has shown that these insulated supports can limit heat loss by up to 4x more than rubber lined pipe clips and 10x more than hardwood pipe support inserts. Both Kingspan Kooltherm FM Pipe Insulation and Kooltherm Insulated Pipe Support Inserts are CE Marked in accordance with BS EN 14314.

Kingspan Kooltherm FM Pipe Insulation has excellent fire and smoke performance characteristics with a European Reaction to Fire performance of BL,s1,d0 and is FM Approved per Approval Standard Class 4924. Intumescent Kingspan Kooltherm FireSleeves are available for use on steel and copper pipe service penetrations through timber frame and block walls. The FireSleeves expand when exposed to high temperatures, acting as a 2-hour fire stop to BS EN 1366.

With Kingspan Industrial Insulation’s free Pipeline Technical Advisory Service, which can be contacted on 0808 168 7363, clear advice and guidance can be accessed at every stage in a project. They also have Premier and Premier Plus Services which support purchases of Kingspan Kooltherm FM Pipe Insulation and the Kooltherm FM Complete Pipe Insulation System (incorporating insulated pipe support inserts and fire sleeves).


Recent research from leading M&E Consultants — AECOM — has suggested that the choice of pipework insulation can also have a significant impact on overheating. The study used IES dynamic thermal modelling to assess the performance of different insulation systems on LTHW (Low Temperature Hot Water) and DHW (Domestic Hot Water) pipework within a multi-unit residential extra care building.

Results showed that an Energy Technology List specification of Kooltherm FM Pipe Insulation with Kooltherm Insulated Pipe Supports could achieve a 32% reduction in overheating hours greater than 28°C when compared with a Man Made Mineral Fibre Pipe insulation specified to BS 5422: 2009 with rubber bracket pipe support inserts.

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