Hot melt waterproofing systems have a long track record of reliability and performance in the UK. They provide cost-effective installation and an outstanding life expectancy, and are regularly chosen to protect prestigious new build projects. Hot melt systems are typically specified underneath paved and ballasted roofs, as podium deck waterproofing and as part of green or biodiversity roofs.
The term ‘Hot Melt’ typical refers to a hot applied liquid membrane which is manufactured from a specially formulated bituminous compound, modified and enhanced with various rubbers and other additives. It is supplied to site in blocks which are then melted in purpose-built machines. Hot melt systems typically comprise of coats of hot melt liquid membrane which are reinforced with a polyester/glass fibre, high tensile sheet. A protection membrane is installed into the final layer of hot melt and systems are usually buried, for example as part of an inverted roof or green roof specification.