Celotex GA4000 100mm offcuts (~18 m²) — Newcastle
Mixed PIR pieces, all usable. Perfect for stud walls and ceiling bays. Thermally identical to full boards. Located in Newcastle — collection or arranged regional delivery available.
Sold by Newcastle Reclaim Co. (Demolition) · Ref L0462
Condition grade 8/10 (Reclaimed). Assessed by the seller at listing; figures below relate to this specific lot of 50 sheets.
For bathrooms and kitchens. Green-faced, sealed, dry stored. Located in Newcastle — collection or arranged regional delivery available. Fresh to market — posted 1 days ago by Newcastle demolition Newcastle Reclaim Co..
Surplus stock like this exists because projects over-order to avoid downtime — the saving gets passed to you instead of the skip. As reclaimed stock it carries genuine history — the full condition report below states exactly what to expect.
Reusing this material saves roughly 40 kg CO₂e versus producing virgin PIR/mineral wool boards (PIR ~3.5 kg CO₂e per m² at 100mm).
That's equivalent to about 236 km of average petrol-car driving, or what 2 mature trees absorb in a year.
Reuse is the single fastest way to cut a build's embodied carbon — substitution beats offsetting every time.
The headline saving on this listing (~40 kg CO₂e) is benchmarked against producing virgin PIR/mineral wool boards (PIR ~3.5 kg CO₂e per m² at 100mm). That's the embodied-carbon figure — the emissions locked into new material at the point of manufacture, before it ever reaches your site.
In UK building terms, embodied carbon typically accounts for 40–60% of a project's whole-life emissions once operational energy is decarbonised. Reusing insulation like this lot from Newcastle bypasses the manufacturing stage entirely, which is why substitution consistently outperforms offsetting on lifecycle assessments.
For projects tracking against Part Z (the proposed embodied-carbon amendment to the Building Regulations), BREEAM Mat 01 credits, or the RIBA 2030 Climate Challenge, reused material counts at zero embodied carbon in the A1–A3 modules. Keep the seller invoice, this listing URL and the CO₂e figure together in your carbon file.
Beyond carbon: buying this lot from Newcastle Reclaim Co. keeps first-quality insulation out of the UK construction waste stream (currently ~62 million tonnes/year, per DEFRA). It supports the circular-economy supply chain — sellers who divert stock only continue diverting when there's a viable resale route.
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 5 packs.
Newcastle Reclaim Co. issues a VAT invoice on collection or dispatch — bank transfer is standard, card on request. For anything over £500 we recommend a written spec confirmation before paying, so the exact insulation description and quantity are on record.
A short reservation (typically 48–72 hours) is usually possible with a 10% holding deposit. Surplus stock moves quickly, especially reclaimed lots at this price point — confirm the hold in writing so the seller doesn't re-list.
Yes — the ~40 kg CO₂e saving is calculable against the benchmark in the sustainability notes above; keep this listing URL as evidence for your embodied-carbon log.
Mixed PIR pieces, all usable. Perfect for stud walls and ceiling bays. Thermally identical to full boards. Located in Newcastle — collection or arranged regional delivery available.
Surplus to a Passivhaus retrofit. Better λ than PIR. Sealed packs, dry stored. Located in Newcastle — collection or arranged regional delivery available.
Surplus from a hotel fit-out. Tapered edge for taping. 50% off merchant price. Located in Newcastle — collection or arranged regional delivery available.