What Does a Thermal Insulation Subcontractor Do?

What does a thermal insulation subcontractor cover?

The trade insulates the mechanical services that heat, cool and ventilate a building. That covers pipework insulation on heating, hot water and chilled services, and ductwork insulation on supply and extract systems. It also includes removable valve jackets, aluminium cladding and weatherproof finishes, plus trace heating with insulation over it.

All insulation services · Pipework insulation · Ductwork insulation

How does an insulation subcontractor fit into a project?

Most insulation work is delivered as a subcontract package. The main contractor or M&E contractor appoints the insulation specialist, who then works to their programme, site rules and permit procedures. The subcontractor attends coordination meetings, provides risk assessments and method statements for the works, and hands over completed areas for inspection.

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How do subcontractors work from drawings and specifications?

Pricing normally starts from issued M&E drawings, pipe and duct schedules and the project specification. The subcontractor measures quantities from the drawings, confirms details with a site survey and returns an itemised quotation. On site, the specified materials and thicknesses are installed without substitution.

When should you bring an insulation subcontractor in?

Early is cheaper. At tender stage, a specialist can flag thickness, access and finish queries before they become variations. During construction, insulation is programmed after pressure testing and before ceilings close. On live buildings, repair and maintenance packages keep existing systems performing.