If you require further help or advice on an already created U-value calculation and would like to speak with an advisor, please contact our Celotex Technical Centre on 01473 820850. Lines are open Monday – Friday, from 8.00am – 5.15pm.

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Information on the U-values and product solutions is available from the Celotex Technical Centre or by visiting celotex.co.uk. Extensions and conversions Building regulations state the U-value requirements of walls, floors and roofs when adding an extension to existing properties or …

Celotex, Hadleigh, United Kingdom. 609 likes · 2 talking about this. Celotex is the UK’s leading manufacturer of high performance PIR thermal insulation boards.

U-value calculations | Insulation | Kingspan | Great Britain

Celotex Foil faced polyisocyanurate (PIR) Insulation board (L)1.2m (W)0.45m (T)50mm Product rating 4.3 out of 5 stars Product code: 5060153760003 65mm Celotex PL4000 is a high performance thermal insulation board where the PIR insulation is bonded to 12.5mm tapered edge plasterboard. PL4065 is manufactured from rigid polyisocyanurate (PIR) using a blowing agent that has zero ozone depletion potential (zero ODP) and low global warming potential (GWP).