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London City



Quality and reliability remain the foundation of Sterling Thermal's success, with a commitment to provide an unparalleled level of service on all projects, whether large or small.

Our Services

Our Services

We offer a full range of services, including:


  • design & installation of all forms of thermal insulation

  • trace heating

  • sheet metal cladding

  • acoustic insulation

  • passive fire protection

  • pre-insulated air movement

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Pipework Insulation

We undertake design, installation and maintenance of all forms of thermal insulation for energy conservation, frost protection, condensation control and personal protection for process and building services projects.

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Freeze Protection

In cold environments, insulation alone is often insufficient to protect pipes from freezing. nVent RAYCHEM self-regulating electric heat cable, installed by Sterling Thermal, provides heat and protection where necessary. The versatile and comprehensive range of heat cables can be installed in a wide range of commercial, residential and industrial buildings.

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Passive Fire Protection

We provide passive fire and thermal protection systems for circular and rectangular steel ductwork.

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Ductwork Insulation

Energy conservation and condensation control is essential for ducted air services throughout a building. We install all types of duct insulation and associated finishes and cladding.

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Temperature Maintenance

Installers of the nVent RAYCHEM hot water maintenance (HWAT) solution. A self-regulating HWAT system delivers hot water to building occupants when and where they need it, enhancing comfort. Particularly suited to hotels, offices and hospitals.

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The Kingspan KoolDuct® System

We are a Kingspan KoolDuct® Delivery Partner, specialising in the design and supply of ductwork & plenums fabricated from the Kingspan KoolDuct® System. We are able to supply the KoolDuct® System as a fully engineered and custom made components.

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All types of cladding carried out to building services for mechanical protection, weather protection, and for aesthetic purposes. Materials including and not limited to, aluminium, aluzinc, steel, Isogenopak, and ProClad.

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Acoustic Insulation

Installers of thermal and sound absorption products for ductwork systems and rainwater and soil pipework.

Committed to Quality & Reliability

Keeping Good Company

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