Optigrun We offer a high quality range of products and solutions to suit all green roof requirements along with first class technical support and general advice.

As one of the leading companies in the green roof industry, Optigreen combines 50 years of experience with continuous innovation to meet the changing demands of the market. Cooperation with our Optigreen Partner Network

High quality and performance are the most important factors for every green roof. We have excellent experience working with our Optigreen Partner Network, offering the highest sta

ndards of professionalism for the installation of vegetated surfaces. Many of our partners are able to install the waterproofing and the green roof system as a one-stop solution. This method of delivering quality products has proved to be highly successful over many years. Why choose Optigreen?

- Quality project-specific advice from our experienced technical department and Optigreen partner companies

- We provide many technical services free of charge: CAD drawings, budget costing facility, care and maintenance advice, wind load calculations, drainage requirements, etc.

- Choose from a comprehensive product range with various green roof systems to suit your project requirements

- High quality products that meet or exceed industry standards with many of our solutions being patented

- We offer on-site support and guarantee prompt delivery

- The option of a quality installation service with trained and experienced Optigreen Partner Companies

- We provide a full range of training courses for architects, estimators, contract managers and site operatives

- Ongoing after care advice regarding maintenance of green roofs.

- Optigreen ensures compliance with UK specific green roof guidelines

- Active co-operation with national and international green roof associations including GRO (Green Roof Organisation), FLL and SWIG

As the UK prepares for another heatwave, it’s becoming increasingly clear our buildings, and especially our roofs, need ...
12/08/2026

As the UK prepares for another heatwave, it’s becoming increasingly clear our buildings, and especially our roofs, need to be prepared for longer periods of extreme heat.

An Optigrun Biosolar Roof combines photovoltaics and green roof management into one system.
- Solar power generates renewable electricity.
- Green roofs help cool the roof surface through evaporation, supporting a better microclimate and potentially benefiting PV performance.

The result is a roof that works harder for our changing climate. Generating clean energy, supporting biodiversity, and contributing to more climate-resilient cities.

An Optigrun CPD session can help you gain valuable insights into the latest green roof technologies, stormwater manageme...
28/07/2026

An Optigrun CPD session can help you gain valuable insights into the latest green roof technologies, stormwater management systems, and urban greening strategies.

As heatwaves become more frequent, green infrastructure is becoming an essential tool for building healthier, more resil...
23/06/2026

As heatwaves become more frequent, green infrastructure is becoming an essential tool for building healthier, more resilient cities.
Green roofs can can cool buildings, lower urban temperatures

Planning a green roof?We can provide technical support and quotes as well as recommend approved Optigrun contractors to ...
11/06/2026

Planning a green roof?

We can provide technical support and quotes as well as recommend approved Optigrun contractors to install.
Visit our website to find out more: optigruen.com

🌿 Happy World Green Roof Day 2026 🌿This year’s theme, Nature, celebrates the vital role green roofs play in bringing bio...
06/06/2026

🌿 Happy World Green Roof Day 2026 🌿
This year’s theme, Nature, celebrates the vital role green roofs play in bringing biodiversity, resilience, and beauty back into our cities.
Every rooftop has the potential to become a thriving space for nature.

Set up for today’s  event at the beautiful Cutlers Hall in Sheffield
02/06/2026

Set up for today’s event at the beautiful Cutlers Hall in Sheffield

Heatwave incoming!Green roofs help lower urban temperatures, reduce energy use, absorb rainwater, and create healthier s...
20/05/2026

Heatwave incoming!

Green roofs help lower urban temperatures, reduce energy use, absorb rainwater, and create healthier spaces for people and wildlife.

Green roofs don’t just look good , they can also absorb up to 80% of rainwater in summer, helping reduce flooding and ea...
14/05/2026

Green roofs don’t just look good , they can also absorb up to 80% of rainwater in summer, helping reduce flooding and easing pressure on drainage systems

An Optigrun Blue Roof System combines the benefits of a green roof with managed drainage outflow and ecological rainwate...
22/04/2026

An Optigrun Blue Roof System combines the benefits of a green roof with managed drainage outflow and ecological rainwater usage.
Providing:
- Delayed drainage
- Minimisation of peak drainage outflow
- High water retention within the green roof build up

Address

Albany Chambers, 26 Bridge Road East
Welwyn Garden City
AL71HL

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+442035899400

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