About Us

BitumenRoofing.co.uk is a trading name of Grossi Group Ltd, a UK-based company supplying bitumen roofing sheets and accessories to DIY and trade customers across the United Kingdom.

We operate as an independent retailer, supplying practical and reliable roofing materials for sheds, garages, workshops, garden buildings, stables, and other light-duty roofing applications.

Supplying Bitumen Roofing Materials in the UK

Grossi Group Ltd supplies bitumen roofing products sourced from established manufacturers and recognised brands. Our product range is selected to provide dependable performance in typical UK weather conditions, with a focus on durability, ease of installation, and compatibility across roofing systems.

We do not manufacture roofing materials ourselves. Instead, we supply products as a retailer, ensuring customers can access suitable materials with clear specifications and straightforward ordering.

Focused on Bitumen Roofing Systems

BitumenRoofing.co.uk specialises in supplying bitumen roofing systems, including:

  • Corrugated bitumen roofing sheets

  • Ridge pieces, verges, and aprons

  • Eaves fillers and closures

  • Compatible fixings and nails

By focusing on this product category, we aim to provide clear product information and compatible accessories that work together effectively.

Product Quality & Value

We believe roofing materials should offer long-term performance without unnecessary cost. Our bitumen roofing products are selected for their balance of strength, flexibility, and weather resistance, making them suitable for outdoor use in garden and outbuilding projects.

We focus on supplying products designed for durability and reliability rather than inferior lightweight alternatives.

Nationwide UK Delivery

We supply bitumen roofing materials to customers throughout the UK. Orders are processed through our UK-based business and dispatched for delivery nationwide.

Whether you’re planning a new project or replacing an existing roof, we aim to provide a reliable supply service that supports your timeline.

Customer Support

We aim to provide helpful, straightforward customer support to assist with product selection and ordering. Whether you’re a DIY customer or a trade professional, our team is available to answer general product queries and help you choose suitable materials.

Why Choose BitumenRoofing.co.uk?

  • UK-based retailer operated by Grossi Group Ltd

  • Clear product information and specifications

  • Bitumen roofing sheets and compatible accessories

  • Competitive pricing

  • Nationwide UK delivery

Our Aim

Our aim is to supply practical, affordable bitumen roofing materials with clear information and dependable service.

From small garden buildings to larger outbuildings, BitumenRoofing.co.uk is here to help you source suitable roofing materials with confidence.