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Bessemer Ambos Ultra

Ultra-resistant oil-based topcoat for sheet metal roofs

Special ultra-resistant linseed-oil-based topcoat for galvanised sheet metal roofs subject to particular climatic attack. Ideal for deteriorated galvanised sheet metal roofs and also for renewing old oil-based varnish.
Product information

Technical features

  • High quality anti-corrosion micaceous iron linseed-oil-based enamel
  • Solid residue over 90%, little solvent
  • Resistant to combustion gasses
  • Easy to work even at high temperatures
  • Its permanent elasticity allows it to adapt to the movement of the surface

Bessemer Ambos Ultra is a single-component anti-corrosive enamel for galvanised sheet metal surfaces. Ideal for use in aggressive urban and industrial atmospheres, can also be used near oil-fired chimneys.

Drying time *

  • Dry to the touch after about 5h
  • Can be handled after about 12h
  • Can be over painted after about 24h

* at 23°C, 50% relative humidity and about 100 µm wet film. High environmental humidity and/or low temperatures will slow down drying time.



10 - 14 m²/l per coat

14 Kg

Recommended treatments
On new surfaces or those with oil varnish residues
1 x Bessemer Ambos Grund
2 x Bessemer Ambos Ultra

On surfaces with residues of oil-based varnish
First treat the rusted parts with Bessemer Ambos Grund
1 – 2 x Bessemer Ambos Ultra

White; 1 Graphite grey; 6 Dark brown; 9 Bright green; 15 Light grey; 27 Silver grey; 31 Dark green; 38 Dove grey; 41 Brick red; 43 Medium grey; 59 Copper; 64 Patina

  Technical data sheet

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