Where are we?

SIG supports the construction industry through the supply of specialist materials across roofing, insulation, dry lining, interiors, and specialist markets. Our branch networks and expert teams help keep projects moving, offering technical knowledge, dependable service, and products our customers trust.

Across the UK, we operate a significant national footprint, with well over 130 branch locations across the UK, ensuring strong regional coverage, quick product access, and support wherever our customers need us.

Across all divisions — from Roofing to Insulation & Dry Lining to PTG— our teams share a common goal: to provide quality, reliability, and expertise that makes a real difference on site.

SIG Insulation & Dry Lining

We pride ourselves on our reliable service and specialist knowledge in all stages of construction, and our engagement with customers to ensure projects are completed to the highest standards.

As one of the leading distributors of specialist building materials, we apply these principles to complete every project with diligence, focusing on the core construction markets of: Insulation, Interiors, Construction Accessories and HVAC, ensuring exemplary customer service for all our customers from the initial design meeting, until completion of the final development.

We understand that constructions need to be robust to provide structural integrity and meet safety requirements, enhancing the quality and comfort of the build. Working with SIG Insulation & Dry Lining you have access to an unrivalled range of products available from market leading manufacturers.

SIG Roofing

The home of roofing.

Combining specialist expertise, in-depth product knowledge, and exceptional service.

As the UK’s largest specialist merchant of roofing related products and services, SIG Roofing supply industry leading products whilst delivering a quality service to our valued customers. Established for over 40 years – with branches throughout the UK from Inverness to Plymouth, we are committed to supporting the industry with a wealth of roofing knowledge and experience.

Our passionate and professional team are dedicated to providing reliable, friendly and specialist solutions for the roofing industry.

Performance Technology Group

Adding value at every stage of your construction project.

Performance Technology Group was created to bring together the expertise, fabrication facilities, infrastructure and robust supply chains of several successful businesses: CMS Danskin Acoustics, Euroform, AIM, IMS Insulation and Ockwells).

PTG's expertise spans fire, thermal and acoustic applications across all sectors of construction and industry.