Aerated blocks — surplus Hemelite 7N (400 units)
Surplus to a self-build that finished under-order. New, dry-stored, banded. 7N/mm² medium-density blocks suitable for load-bearing inner leaves.
Sold by Glasgow Greenfield Contractors (Contractor) · Ref L0135
Condition grade 9/10 (New surplus). Assessed by the seller at listing; figures below relate to this specific lot of 3.0 tonnes.
Hand-dressed sandstone blocks from a barn demolition. Random sizes for feature walling and landscaping. Located in Glasgow — collection or arranged regional delivery available. Direct from Glasgow Greenfield Contractors, a contractor operating out of Glasgow; live for 18 days.
This is exactly the kind of material that typically ends up in a skip costing the seller money; buying it diverts it back into a build. This is unused, current-spec material — the only thing second-hand about it is the price tag logic.
Choosing this lot over new product avoids an estimated 217 kg CO₂e — benchmarked against manufacturing a new fired clay brick (~0.5 kg CO₂e per brick, BRE Global data).
For scale: roughly 1280 km in a typical petrol car, or a year's absorption for 10 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.
Standard UK bricks lay at ~60/m² in a single skin with 10mm joints. This lot (3.0 tonnes) is best confirmed against your wall area plus a 5% cutting allowance.
Bricks that have survived decades outdoors in Glasgow have effectively passed the longest freeze-thaw test there is. We still recommend F2-rated units for exposed copings and below-DPC work.
Yes — the seller (Glasgow Greenfield Contractors) will set aside sample units for inspection at the Glasgow yard before you commit to the full quantity.
Surplus to a self-build that finished under-order. New, dry-stored, banded. 7N/mm² medium-density blocks suitable for load-bearing inner leaves.
Hand-cleaned reclaimed stock with weathered face. Mortar removed. Ideal for facing work, garden walls and conservation infill. Located in Glasgow — collection or arranged regional delivery available.
Surplus from a development. Brand new, banded on pallets. Suits damp courses, retaining walls and below-DPC work. Located in Glasgow — collection or arranged regional delivery available.