Sika has subsidiaries in 102 countries around the world and, in over 400 factories, produces innovative technologies for customers worldwide. In doing so, it plays a crucial role in enabling the transformation of the construction and vehicle industries toward greater environmental compatibility. In 2025, Sika’s 33,700 employees generated annual sales of CHF 11.20 billion (£10.35 bn).

In the UK and Ireland, we provide market-leading solutions for building finishing, concrete, waterproofing, roofing, flooring, refurbishment, sealing & bonding, and industry, and have manufacturing sites in Welwyn Garden City, Preston, Leeds, Wishaw, Redditch, Goole and Dublin with 1000 employees and a turnover of more than £306 million.

Sika® NatureRoof Green Roof Systems have been designed to transform ordinary rooftops into thriving ecosystems. These systems incorporate multiple layers, including drainage, water retention, and vegetation, to support diverse plant growth and sustain wildlife. The result is a self-sustaining microhabitat that integrates seamlessly into the urban fabric.

All Sika® NatureRoof Green Roof Systems comply with the Building Regulations fire performance requirements and the GRO Green Roof Code of Best Practice.