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New surplus surplus insulation & plasterboard — Kingspan Kooltherm K7 80mm — 40 boardsNew surplus Job lot

Kingspan Kooltherm K7 80mm — 40 boards

Manchester·40 boards · 2.4×1.2m·Listed 4d ago
£1,280/lot
~220kg CO₂e saved

Sold by Manchester Build Direct (Contractor) · Ref L0032

Contact sellerHow buying works

Condition grade 10/10 (New surplus). Assessed by the seller at listing; figures below relate to this specific lot of 40 boards · 2.4×1.2m.

About this lot

Surplus to a Passivhaus retrofit. Phenolic insulation boards — better λ than PIR. Sealed packs, dry stored under tarp. Listed 4 days ago by Manchester Build Direct, a contractor based in Manchester.

Every lot here was once destined for waste transfer — listing it instead keeps first-quality material in circulation at well below merchant list. As new surplus it is indistinguishable from merchant stock except for the price.

Measurements & specifications

Brand
Kingspan Kooltherm K7
Thickness
80mm
λ-value
0.018 W/mK
Quantity / lot size
40 boards · 2.4×1.2m
Thermal conductivity
λ 0.025 W/mK (per facing print)
Board squareness
Checked diagonal-to-diagonal on 6 sample boards
Edge profile
Tongue & groove
Storage
Flat-stacked, dry, off the ground since arrival
Facing condition
Foil/paper facings intact on 94% of boards

Condition report & known defects

10/10
  • Unused stock — original banding/packaging intact where stated.
  • Original wrap opened on one pack for count verification, re-taped.
  • Corner crush on ~16% of boards from transit — cut-around loss only.
  • Minor pallet-edge scuffs to outer packaging only.

Carbon & sustainability notes

The 220 kg CO₂e figure on this listing is calculated against producing virgin PIR/mineral wool boards (PIR ~3.5 kg CO₂e per m² at 100mm).

Put another way — about 1298 km of driving emissions, or 10 tree-years of carbon uptake.

If your project tracks embodied carbon (BREEAM, Part Z readiness, or client ESG reporting), keep this listing reference as evidence of avoided emissions.

Collection & delivery

  • Collection from the seller's Manchester premises — car/van accessible, assistance with loading provided.
  • Seller can quote hiab or flatbed delivery within ~60 miles of Manchester; from £60.
  • Ask the seller for close-up photos or a video walkround if you can't visit — they expect the request.

Typical applications

  • Acoustic upgrades between floors
  • Warm roof build-ups and rafter-level insulation
  • Floor insulation under screed or chipboard
  • Dot-and-dab and stud-wall drylining

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 7 packs.

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