Multi-layer bituminous waterproofing systems deliver unrivalled longevity, durability and performance for warm, cold and inverted flat roofs, providing building owners with peace-of-mind that their building will be secure for years to come.

Our range of single-ply waterproofing membranes and accessories provide a high performing, light-weight and flexible roofing system.

Our Liquid range delivers complete flexibility, coverage and peace of mind - meeting every demand whilst minimising downtime and disruption to your project.

Our range of active roof systems perform a greater function beyond shelter and protection of traditional roofing systems. With the right technologies, roofs can be transformed into power stations, rainwater recycling systems or an opportunity to reduce energy costs.

The BMI Icopal insulation range has been developed to work with BMI Icopal flat roof waterproofing systems, offering high-quality and environmentally friendly solutions for all insulation requirements.

We provide a full design specification service ensuring that specifications, drawings and calculations align with Building Regulations, Codes of Practices and your specific guarantee requirements.

U value calculations provide an accurate measurement of the level of insulation provided by a roofing system.

Wind uplift calculations are a critical factor in the design and construction of flat roofing projects.

View a collection of our customers’ flat roofs in bitumen, liquid, single-ply and active solutions.

Our experts share their tips and tricks in our blog

A range of practical and online courses for roofing contractor or merchants.