PV Slate, Infinity solar roofs & Integrated solar roofs

Established in 1994, GB-Sol is an independent UK company, manufacturing solar PV panels and mounting systems at our spacious factory on the Treforest Industrial Estate, just north of Cardiff.  A spin-out from the Cardiff University solar test centre, GB-Sol has been at the forefront of solar power generation for several decades.  Today, we continue to lead in the application of solar through our stunning roof-integrated solar power systems, solar slates, ruggedised panels and marine applications.

Our installations can be provided with all of the additional components you require, including optimisers, batteries, remote monitoring, arc fault protection, bird proofing and firefighter isolators. 

Architectural Solar Power Range

Upgrade your roof with PV Slate and experience the seamless blend of traditional slate aesthetics and powerful solar energy – all backed by a 25-year warranty.

The Infinity solar roof is an almost seamless glass and aluminium roof covering from ridge to gutter and side to side, with huge solar power output and a 25 year warranty.

GB-Sol’s roof integrated solar PV system enables full-sized, high efficiency solar panels to be discreetly fitted within any type of conventional roofing material.

Our Projects team manage complex solar PV projects such as large commercial buildings, industrial environments and social housing retrofit programmes. 

Why choose GB-Sol?

Excellence in engineering & durability

Our solar slates and solar roof products are manufactured using toughened glass, marine-grade aluminium & stainless steel, and are independently tested & certified.  Our products are more extensively proven than those of any of our competitors, globally.

Decades of unmatched experience

With 30 years of pioneering experience in solar power technology, GB-Sol stands as a beacon of innovation.  We own our own factory and have an extensive portfolio of projects that demonstrate the value of our 25 year warranties.

Complete installation service

We install as well as manufacture, to ensure the quality, longevity and safety of the systems installed.  Our Projects team are very experienced in dealing with both new-build projects and retrofits, in processes that are regularly audited for quality and integrity.  We are well-resourced with installation teams and surveyors across Great Britain to ensure good communication and local support.

Sustainability at heart

We keep our suppliers local wherever possible, minimise waste &  packaging and run our premises on solar power, topped up with a 100% green electricity supply.  We are the top-rated solar panel manufacturer according to Ethical Consumer magazine and have been for many years.

When you choose GB-Sol, you are choosing safety, reliability, durability and sustainability.

Architectural solar power case studies


Latest updates from GB-Sol

Triangular Infinity solar roofs in Yorkshire

We've just had this stunning image back from a customer in North Yorkshire.  Their new house is an amazing use of materials and angles to create an incredibly beautiful and interesting modern…

GB-Sol factory solar PV array now 70kW

Our factory roof now has 70kWp of solar PV on the roof, making works self-sufficient in electrical power for much of the year.   Surplus power exported then offsets most of the…

Edward Williams Architects win the Eco Living Award

Congratulations to Edward Williams Architects, who have been awarded the Eco Living Award at the Evening Standard House and Property Awards for their project in Stratford, East London.