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.

PPG Protective & Marine Coatings Sigma brand is a world leading heavy duty architectural, industrial, infrastructure, maintenance and marine coatings supplier. With international reach, we have developed a comprehensive range of Protective Coatings which are tried and tested in the most extreme conditions. From offshore, oil and gas platforms, bridges and infrastructure Sigma provides state-of-the-art steel protection and fire protection.

floor coatings, antibacterial coatings, hygienic coatings, industrial coatings, roof coatings, solar reflective coatings, marine coatings, Floor paints, antibacterial paints, hygienic paints, industrial paints, line marking paints, roof paints, solar reflective paints, marine paints

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