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Reclaimed surplus insulation & plasterboard — Celotex GA4000 100mm offcuts (~18 m²) — BristolReclaimed

Celotex GA4000 100mm offcuts (~18 m²) — Bristol

Bristol·~18 m²·Listed 1d ago
£95/lot
~64kg CO₂e saved

Sold by Bristol Reclaim Co. (Demolition) · Ref L0398

Contact sellerHow buying works

Condition grade 7/10 (Reclaimed). Assessed by the seller at listing; figures below relate to this specific lot of ~18 m².

About this lot

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. Offered by Bristol Reclaim Co. (demolition) from their Bristol yard, listed 1 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.

Measurements & specifications

Brand
Celotex GA4000
λ-value
0.022 W/mK
Location
Bristol
Ref
SB-40-04
Quantity / lot size
~18 m²
Thermal conductivity
λ 0.025 W/mK (per facing print)
Board squareness
Checked diagonal-to-diagonal on 7 sample boards
Edge profile
Tapered edge
Storage
Flat-stacked, dry, off the ground since arrival
Facing condition
Foil/paper facings intact on 100% of boards

Condition report & known defects

7/10
  • Expect natural variation in tone and texture across the batch — this is the appeal of reclaimed stock.
  • Surface weathering consistent with age — structurally sound throughout.

Carbon & sustainability notes

Choosing this lot over new product avoids an estimated 64 kg CO₂e — benchmarked against producing virgin PIR/mineral wool boards (PIR ~3.5 kg CO₂e per m² at 100mm).

For scale: roughly 378 km in a typical petrol car, or a year's absorption for 3 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.

Collection & delivery

  • Buyer collection in Bristol; forklift loading available weekdays 7:30am–4pm.
  • Nationwide pallet courier available — typically £95–£120 per pallet, 2–4 working days.
  • Viewings welcomed by appointment; the measurements table above reflects what was checked at listing.

Typical applications

  • Floor insulation under screed or chipboard
  • Dot-and-dab and stud-wall drylining
  • Garage conversions and garden offices
  • Acoustic upgrades between floors

Questions about this lot

Do part-sheets affect building control sign-off?+

No — what matters is the declared lambda value and installed thickness. Keep a facing photo showing the print line for your Building Regs file.

How should boards be stored on site?+

Flat, dry and off the ground. PIR facings degrade with prolonged UV exposure, so keep the wrap on until the day of fixing.

Is mixed-brand insulation OK in one roof?+

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.

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