Silver Pipe no Shadow

Thin and efficient premium performance pipe insulation

Available in a range of thicknesses to suit a number of applications, Kooltherm Pipe Insulation is suitable for pipework in building services and HVAC applications.

One of the thinnest and most thermally efficient products commonly available for the insulation of pipework, Kooltherm pipe insulation offers excellent fire and smoke performance and is suitable for mild steel, stainless steel, carbon steel, copper, multiplex and plastic pipework


Product brochure

Our brochures include technical data and thickness tables.

Kooltherm Pipe Insulation Quick Guide

Product information

General Physical Properties (Kooltherm Insulation System)
Property Test Method Unit Typical Value
Nominal Density (EN ISO 845) / (ASTM D 1622) kg/m3 37 60 80 120
Thermal Conductivity at +10°C (EN 12667) / (ASTM C 518) W/m.K 0.025 0.031 0.036 0.045
Colour     Pink Grey Grey Grey
Closed Cell Content (EN ISO 4590) Method 1 / (ASTM D 2856) Method B % ≥ 90 - - -
Operating Temperature:
Pipe Section

Upper Limit
Lower Limit




Minimum Compressive Strength at +23°C (EN 826) / (ASTM D 1621)





General Physical Properties (Vapour Barrier Jacket)
Property Test Method Unit Typical Value
Weight (EN ISO 536) g/m2 100 + / -30
Water Vapour Transmission (ASTM F 1249)
(ASTM E 96) 
g/m2.24 hr
Fire Test Classifications (Kooltherm Insulation)
Property Test Method Typical Result
Reaction to Fire EN 13501-1 BL – s1, d0
Surface Burning Characteristics ASTIM E 84 Class A/1 (FSI 25/SD 50)
FM Approval Class 4924 FM Approved per  FM Approval Standard 4924 where manufactured and installed in accordance with the details of the FM Approval. Please contact Kingspan technical services for further information. 

Kooltherm Pipe Insulation Quick Guide

Kooltherm Pipe Insulation Product Safety Information

Kooltherm Pipe Insulation Installation Guide

Kooltherm Pipe Insulation Specification Guide

Kooltherm Pipe Insulation Technical Data Sheets

Kooltherm Pipe Insulation DoP (CNC) 2021

Kooltherm Pipe Insulation DoP (CPL) 2021

Kooltherm Pipe Insulation DoC (CNC)

Kooltherm Pipe Insulation DoC (CPL)

Heat Networks - Secondary Insulation Systems


Planet Passionate
Through our new Planet Passionate 10-year groupwide sustainability programme, we aim to make significant advances in the sustainability of our business and of our product

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