Solvent-based, moisture-retardant 2C primer for interior use

  • 2-component
  • Solvent-borne
  • Primer

ALPOLAN UNIVERSALGRUND 2420 is a solvent-based, moisture-retardant 2C primer with excellent filling properties. The product is suitable for isolating wood that is rich in active substances. ALPOLAN UNIVERSAL GRUND 2420 can also be used as a top coat. Cannot be used on wood that has been bleached with peroxide.

When used as a flame retardant coating for seagoing ships according to SOLAS (International Convention for the Safety of Life at Sea) 74/88 Reg. II-2/3, II-2/5 and II-2/6, latest version, IMO Resolution MSC.36(63)-(1994 HSC Code)7, IMO Resolution MSC.97(73)-(2000 HSC Code)7, this product can only be combined with other approved and technically suitable products. A risk assessment has been carried out according to Directive 2014/90/EU, Annex II, Section 3. The cured and dried coating poses neither a physical nor a health hazard, nor a hazard to the environment. When used in ship interiors, the maximum total product application quantity of 250 g/m2 should never be exceeded.

Surface preparation

Every substrate must be well-cleaned, dry and free from grease and oil. Coating removal: Sand, strip Coating removal: Sand, strip Coating removal: Sand, strip


Stir or shake the product well for several minutes before use, if necessary by machine.

Application conditions

Recommended temperature for surroundings and product: +15°C-25°C. Do not apply below +10°C.



Storage temperature is +5°C - +30°C. Store in a tightly closed container.

Weight solids abt. 43 % by weight
Volatile organic compound (VOC) abt. 549 g/l
Hardener Comp. B: ALPOLAN UNIVERSALGRUND 2430-99
Theoretical spreading rate 120 g/m²; 8.3 m²/kg
Density abt. 0.97 g/ml
Drying time – dust free after 20 minutes
Drying time – touch dry after 2 hours
Drying time – through-dry after 24 hours
Drying time - overcoatable after 16 hours
Thinner VERDÜNNER 0950-98, VERDÜNNER 1300-98, VERDÜNNER 5500-98, VERDÜNNER 5600-98.
Clean up Wash the equipment immediately after use.
Colours Colourless.
Safety markings See safety data sheet.
Approvals & certificates IMO FTPC Part 2,IMO FTPC Part 5,Marine Equipment Approval (Module B)