Kingspan Insulation - Therma Insulation - Kingspan Insulation UK


Kingspan Group Kingspan Insulation

Therma Duct Insulation

Therma Duct comprises of high performance, fibre free, rigid thermoset polyisocyanurate (PIR) insulant with composite foil facings for insulating rectangular, circular and flat oval ductwork, and associated HVAC equipment, for installation outdoors only.

Therma Duct Insulation


Thermal conductivity 0.022 W/m·K
Facings Composite foil
Core High performance rigid thermoset polyisocyanurate (PIR) insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).
Compressive strength Typically exceeds 140 kPa at 10% compression
Thicknesses 25, 30, 40 & 50 mm
NBS Product Specification


Therma Duct Insulation Product Data Sheet

Ducting Installation Handbook

Case Studies

Silverstone College - Towcester