ROCKWOOL Ltd is part of the ROCKWOOL Group, a leading global supplier of stone wool products.
The Group’s product portfolio is well placed to tackle many of today’s biggest sustainability and development challenges, from energy consumption to noise pollution, water scarcity to flooding.
The Challenge: From Diesel To Decarbonisation
ROCKWOOL Group has set ambitious, SBTi-verified decarbonisation targets to reduce its greenhouse gas emissions across Scopes 1, 2 and 3. While significant progress was being made on Scope 1 and 2 emissions, driven by technical innovation and major investments, tackling scope 3 emissions from third-party haulage in the UK presented several key challenges:
- A competitive landscape with multiple third-party operators
- No consistent approach to lower carbon options across operators
- HGV market heavily dependent on diesel
- Scope 3 transport emissions difficult to measure
To explore solutions to this and help drive their decarbonisation ambitions, ROCKWOOL Ltd partnered with FSEW.
The Solution: A Partnership Built On Shared Purpose
FSEW stepped in with a UK-wide, scalable solution built around its carbon-reducing fleet.
- Electric & 100% biomethane-powered fleet
- Full route and refueling feasibility analysis via digital twin mapping
- Immediate implementation of low-carbon solutions on short and medium-haul routes
ROCKWOOL Ltd shared its workload, delivery points, and operational windows, and FSEW ran a full simulation, route by route, showing where CNG and electric freight could be deployed immediately.
The Result: Carbon Savings You Can Measure
In their first full year working together with FSEW (2024), ROCKWOOL Ltd cut over 433 tonnes of CO₂ from their UK freight emissions. By the end of Q1 2025, a further 200 tonnes had been removed – and counting.
Reducing Scope 3 Emissions Mile After Mile
This doesn’t just support ROCKWOOL’s long term net-zero ambitions; it means carbon savings are already being made.
Strategic Impact: Freight That Aligns With ESG
FSEW and ROCKWOOL Ltd’s collaboration focuses on:
✔ Scope 3 emissions
✔ Practical decarbonisation of UK freight lanes
✔ Advice on electric transition and long-term planning
ROCKWOOL now uses pre-loaded trailers for faster turnaround and has reduced unnecessary engine time. The company has also awarded FSEW additional routes, with more expansion planned across the UK, including longer-haul routes into North England and Scotland in 2025.
“We’re really proud of the progress that ROCKWOOL Ltd and FSEW have made together. It’s not only reducing emissions today, but also paving the way for scalable, low-carbon freight solutions that support our long-term net-zero vision” – Tim Eaton, Logistics Director, ROCKWOOL Ltd
Inspiration For The Construction Industry
ROCKWOOL’s success with FSEW proves what’s possible when construction freight industry partners align on purpose and performance.
If your business is serious about reaching net zero or becoming carbon neutral by calculating and addressing Scope 3 emissions, this is proof that sustainable freight doesn’t have to mean compromise. With the right partner, you can keep things moving and make real progress simultaneously.
