Walraven operates three divisions. BIS Fixing Systems for heating systems, sanitary installations, sprinkler pipes, air ducts, cooling systems, cable troughs and much more.BIS Fire Protection Systems for smoke proof and fire resistant sealing of pipe apertures and recessed light fittings, as well as products for the fire retardant fixing of pipes and BIS Sanitary Systems Concealed Pre Wall systems, Alpro inspection hatches and products for sanitary installations.
ALUMASC EXTERIOR BUILDING PRODUCTS
Alumasc Exterior Building Products are a major UK supplier of premium construction products and brands. Alumasc Rainwater Systems are a leading manufacturer of BBA certified architectural aluminium rainwater goods. A complete range of aluminium gutters, downpipes and integrated fascia soffits. Alumasc Rainwater also supply cast iron rainwater pipes and gutters for historic and restoration sites, with bespoke designs available to match or replace existing installations. Alumasc are suppliers of Harmer drainage systems that include roof outlets and below ground drainage. For internal drainage, Harmer provide cast iron soil and waste systems, floor drains, shower drains and wetrooms.
Halfen supply a wide range of structural connectors and fixings to include: cast-in channels, brickwork support systems and facade support systems, concrete reinforcement products, framing systems and precast lifting & support systems. Further technical information is available on the BPi Download library on on the Halfen web site.
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Roof-Pro are suppliers of flat roof supports for building & mechanical services on flat roofs. Roof supports provide free standing roof support for cables, pipes, and HVAC plant. Roof-Pro free standing roof supports enable the safe rooftop support of heavy plant, electric & mechanical services, solar panels, pipe work and roof access walkways and gantries. Roof-Pro also supply rainwater outlets for flat roofs, expansion joints for flat roof membranes, flat roof risers and non penetration lightening conductor cable supports.
ROOF EDGE FABRICATIONS LTD
Roof Edge Fabrications designs, supplies, installs and recertifies a wide range of roof safety products and systems. Part of the Kee Safety Group, a leading worldwide supplier of fall protection solutions and safety railing systems.
EJOT UK LTD
EJOT UK bring over 30 years of development expertise to the table, with a precise understanding of fasteners and fastening systems. From Europeâ€™s leading commercial solar fastening system to original UK-specific domestic solutions - EJOTâ€™s expertise is second to none. We work closely with leading ETICS system developers.