Interior Radiator Finish

Interior Radiator Finish

Flügger Interior is water-based enamels for finishing wood and metal indoors. The products are easy to use, and produce an attractive and enamel-like surface.

Product Description

Heat-resistant acrylic enamel with a smooth, supple consistency and good coalescence. Recommended for radiators and heating pipes; withstands temperatures up to 80 °C.
  • Good coalescence
  • Hard surface
  • Endures constant exposure to heat


Iron and metal with anti-corrosion protection


Must be primed, clean, dry, solid and suitable for paint treatment.


Remove loose material and paint by cleaning and sanding.
Remove dirt, filth, grease and chalking material with Fluren 37.
Prime bare iron and metal with Metal Pro Multiprimer.
Hard, smooth substrates must be sanded matt and primed if needed with Fix Primer.
Paint only on cold surfaces; on hot surfaces the paint does not flow optimally.
Apply 1-2 coats. Some colours require additional treatments.


Brush, roller or spray
Choose appropriate tools for the desired finish
Apply wet-on-wet, and finish by brushing/rolling in the same direction
Always use the same batch number for continuous/unbroken surfaces
Differences in surface texture may result in shade deviations
Cold or heat can affect the material’s viscosity
Material temperature when spraying must be min. 12 °C.
Condensation must not form during drying/curing
Cold weather and high atmospheric humidity extend the drying time, complete curing and re-coat interval
High temperature and low atmospheric humidity reduce the drying time and complete curing
Always apply test treatments to check and accept the adhesion and results


Semi-gloss heat-resistant surface.
Good coalescence and enamel like finish.
Withstands ordinary soiling, use-related wear and cleaning with universal detergent, a soft brush, water and a cloth.
Does not block strike-through from knots, water-soluble colourants, water blotches or nicotine.
Treat the surface with caution until the paint is fully cured.

Environmental information

Clean off the paint from tools and wash them with water. Bring remains of fluent paint to the local recycling centre. Minimize your paint waste by pre-estimating how much paint you need. Keep the leftover paint for future use so you can effectively reduce the environmental impact.

Storage: Cool, frost-free and tightly closed

Protection equipment: Spray painting: painting suit, full face mask with combined filter. Painting: eye protection, gloves. Sanding: respiratory protection

Technical Data

Acrylic enamel
40, Semi Gloss
Density (kg/liter)
Weight %
Volume %
Nominal spreading rate (m2/l)
Workable temperature
Min. +10°C
Max. humidity 80 % RH.
Dry to touch at 20°C, 60% RF (Hours)
Fully cured at 20c, 60% RF (Days)
Class 1
Water. Dilute with up to 10% water when spraying.
Cleaning of Tools etc.
Supplementary Info
Registered in the Nordic Ecolabelling Building Products Database for products which can be used in buildings with the Swan label.

Current TDS Version

mai 2021

Replaces TDS Version

oktober 2020