River-Therm® is a superior performing secret-fix roof system, used worldwide on a spectrum of commercial and industrial properties, it provides enhanced protection to the elements, capturing any water penetration and delivering it to the gutter system. 

Product Features & Benefits

Complete engineered built-up system

Suitable for extra-long roof sheet spans

Features geometric locking system for easy install

Unique incorporated drainage channel

Can remove the need for internal gutters

Fully walkable


Eliminates external sheet end laps on long slopes

Can elimate for ridge details

Inplane and barrel vault rooflights can be incorporated

Natural daylight can be obtained on low roof pitches


Available in a range of colours utilizing PVDF coated aluminum and Colorcoat HPS200 Ultra®


Minimised thermal bridging

Sealed liner panel acts as vapour control panel

Rooflights can be easily incorporated.

Approved details in steel and aluminium available for sealing penetrations

Optional Colorcoat® High Reflect liner

Quality Assurance

CA Group guarantee

Independently accredited by Agrément

Independently accredited by LPCB


Metal offers forever recyclability

Metal offers forever recyclability

Band A EPC rating

BREEAM contribution

Independently assessed system EPD's


Roll formed on site

Foot pressure installation


Green roofs can bring wide ranging economic and environmental benefits to a scheme and offer an alternative natural aesthetic.  We work with supply chain partners, including Blackdown Horticultural, Knauf UrbanScape and Sky Garden and to provide a range of options to complement the building envelope.

Product Features & Benefits
Building Performance

Reducing storm water run off

Aides in sustainable drainage sytem (SuDS)

Reduced energy use

Reduced sound transfer

Improved aesthetics

Increased insulation

Reduces greenhouse gas emissions

Potentially increasing roof lifespan

Contributes to BREEAM

Aids with planning consent

Additional environmental benefits

Climate change litigation

Climate change adaptation

Increased biodiversity and wildlife

Improved air  and water quality

Improved views

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