
PalDuct PIR
Rigid PIR pre-insulated HVAC Ductwork System© 2026 Kingspan Holdings (IRL) Limited, All Rights Reserved
At Kingspan Insulation, we are your full spectrum insulation solutions provider, dedicated to empowering your projects with the highest quality of innovative products.
We take pride in delivering a diverse portfolio of products that seamlessly combine cutting-edge technology and tested performance, from ultra-thin vacuum insulation panels that optimise space without compromising thermal efficiency, to rigid board insulation and lightweight ductwork.
As part of our Planet Passionate initiative, we aim to make significant advances in the sustainability of our business operations and products. Our insulation boards and ducting products deliver market leading performance across a range of areas, allowing specifiers and installers to meet energy efficiency and thermal performance requirements compared to other insulations.
At the core of our commitment lies a passion for brilliance and customer excellence. Our team of experts collaborates closely with architects, engineers, applicators, contractors, and consultants to understand their specific challenges and deliver tailored solutions that exceed expectations.

With a thermal conductivity of low as 0.020 W/m.K at 23°C mean temperature (ASTM C518-17) , it offers the thinnest solution of any commonly available insulation to achieve desired R-values.
With a thermal conductivity of low as 0.022 W/m.K at 23°C mean temperature (ASTM C518-21), and fibre-free rigid thermoset polyisocyanurate (PIR) insulation core, faced on both sides with a coated glass tissue based facing.


With a thermal conductivity of low as 0.035 W/m.K at 23°C mean temperature (ASTM C518-21), fibre-free rigid extruded polystyrene insulant and has a smooth, dense skin on both faces.
PalDuct Phenolic
UL 181 Listed phenolic pre-insulated HVAC ductwork systemKDuct Pre-Clad Phenolic
A rigid thermoset insulation coreKDuct Pre-Clad PIR
Fibre-free rigid thermoset foil faced polyisocyanurate (PIR) Insulation