UK · Updated 2026 · Buying guide
Surplus Surplus Rockwool & Mineral Wool in Belfast: 2026 Prices, Sellers and Delivery
Belfast is Northern Ireland's largest renovation market. That makes it one of the UK's best cities to source surplus and reclaimed mineral wool. This guide covers 2026 Belfast pricing, where the Northern Ireland supply concentrates, and how to collect or arrange delivery on the same or next working day.
2026 Belfast prices for surplus mineral wool
Prices below reflect live SurplusBuilder listings inside BT1, BT9 and BT12 plus data from three regional yards, sampled Q1 2026.
| Grade | Typical price | Notes |
|---|---|---|
| Job-lot / bulk | £12.00 per pack | Merchant clearance, palletised |
| Standard graded | £27 per pack | Sorted, ready-to-fit stock |
| Heritage / premium | £42 per pack | Character grade, hand-picked |
What to look for in Belfast mineral wool
- Rockwool RWA45, Knauf Earthwool, Isover — sealed factory packs
- Same A1 non-combustible fire rating as new
- Standard 100mm, 150mm and 200mm depths
Why buy surplus mineral wool in Northern Ireland
- 30–50% cheaper than merchant list
- Immediate collection for large studwork jobs
- Same BS EN 13162 certification
Collection and delivery inside Belfast
Most Belfast sellers hold stock inside BT1, BT9 and BT12 and offer NI pallet £85–£150 with 3-day transit. For loads over a tonne of mineral wool, a hiab drop is usually more economical than multiple van runs.
Frequently asked questions
+What's a fair 2026 price for surplus mineral wool in Belfast?
Expect £12.00–£42 per pack depending on grade. City-centre premium runs 5–15% over regional averages.
+Is surplus mineral wool safe to handle?
Yes with standard PPE — dust mask, gloves and long sleeves.
+Can mineral wool get wet?
Recovers if it dries fully within 48 hours. Prolonged saturation permanently reduces R-value.
+How fast can I collect from a Belfast seller?
Most listings inside BT1, BT9 and BT12 allow same or next-working-day collection. Delivery: NI pallet £85–£150 with 3-day transit.