Celotex PIR offcuts 100mm — ~18m²
Mixed pieces of Celotex GA4000 100mm PIR. All usable, sizes range from 600×600 up to 2400×1200. Perfect for stud walls and ceiling bays. Thermally identical to full boards.
Sold by Bristol Reclaim Co. (Demolition) · Ref L0470
Condition grade 7/10 (Reclaimed). Assessed by the seller at listing; figures below relate to this specific lot of 60 boards.
Brand new, banded. Suits floors, walls and warm roof construction. Located in Bristol — collection or arranged regional delivery available. Offered by Bristol Reclaim Co. (demolition) from their Bristol yard, listed 13 days ago.
Site over-orders, cancelled jobs and careful strip-outs are where the best material bargains in the UK come from — this lot is one of them. It is sold as reclaimed: character included, surprises excluded — read the defect notes below before bidding your time.
Choosing this lot over new product avoids an estimated 174 kg CO₂e — benchmarked against producing virgin PIR/mineral wool boards (PIR ~3.5 kg CO₂e per m² at 100mm).
For scale: roughly 1027 km in a typical petrol car, or a year's absorption for 8 established trees.
With Part Z and embodied-carbon reporting moving up the agenda, documented reuse like this is increasingly worth recording in your project's carbon log.
No — what matters is the declared lambda value and installed thickness. Keep a facing photo showing the print line for your Building Regs file.
Flat, dry and off the ground. PIR facings degrade with prolonged UV exposure, so keep the wrap on until the day of fixing.
Yes, provided each zone's U-value calc uses the correct lambda for the board actually installed there. This lot is single-brand across all 6 packs.
Mixed pieces of Celotex GA4000 100mm PIR. All usable, sizes range from 600×600 up to 2400×1200. Perfect for stud walls and ceiling bays. Thermally identical to full boards.
Mixed PIR pieces, all usable. Perfect for stud walls and ceiling bays. Thermally identical to full boards. Located in Bristol — collection or arranged regional delivery available.
Surplus to a Passivhaus retrofit. Better λ than PIR. Sealed packs, dry stored. Located in Bristol — collection or arranged regional delivery available.