CIUR (UK) Ltd.


CIUR a.s. is also now manufacturing Warmcel® cellulose Insulation, after purchasing the manufacturing plant and the Warmcel® trademark from the former manufacturer Excel Industries Limited.

Warmcel® offers comfortable living in winter and summer. Warmcel® cellulose fibre has a high specific heat capacity and high insulation value offering any home significant thermal mass and excellent heat retention. A Warmcel® insulated home is designed to hold onto heat for a long time and to minimise daily temperature fluctuation an essential quality for a comfortable environment.

PYC have partnered with CIUR who are one of the largest and most experienced manufacturers of cellulose fibre insulation in Europe.

CIUR will be manufacturing Warmcel® to the same exacting standards that have brought it success and PYC will be distributors to existing and new installers throughout the UK and Ireland. Although it is a given that all building components should be sustainable with low embodied energy and a carbon negative status, Warmcel® is one of the few insulation products that does achieve this goal.

  • Injected installation for a perfect fill achieving super efficiency
  • Warmcel® - from newspapers – from trees – a truly sustainable resource
  • Natural breathing properties, yet giving superior airtightness
  • Virtually the lowest embodied energy of any insulation in the UK
  • High specific heat capacity giving superior decrement delay



More info:


PYC logo

PYC Insulation Ltd.
Pen y Lan, Meifod
Powys, SY22 6 DA
Tel.: + 44 (0) 1938 500 797


In this module are available following options...


News coverage about us and our business...

Organisational changes

CIUR are pleased to announce that Mr. Mike Zeraschi joined the Company on Monday 2 July 2018 as Business Development Manager UK & Overs ...

Alles over Wonen broadcasts

CIUR will be featured in the Dutch TV show Alles over Wonen on SBS 6, Sunday 22.10. at 3:30 PM. You will learn how we sort and process ...

Our new employees

CIUR are pleased to announce that Mr. Gordon Lewis is now assisting the Company for all fibre dosing system enquiries. Gordon has gaine ...

More news...