*Classidur P-Rapid Stain Blocking Primer

This product is now discontinued.
Out of stock
Product Description

This product is now discontinued. Please contact our technical team for a suitable alternative.

Classidur P-Rapid Primer is a stain blocking primer base coat for use on internal and external walls, ceilings and surfaces.

Classidur P-Rapid Primer is a solvent based stain block and part of the excellent range of Classidur coatings, which are designed for high performance results. P-Rapid can be purchased in three sizes including aerosol form for extreme ease of application.

Best Uses

Classidur P-Rapid Primer is best used on interior surfaces such as walls and ceilings where the substrate has suffered from staining. It is primarily used as a stain blocking primer in conjunction with a single-component finish such as emulsion paint. A patch test is recommended.


Classidur P-Rapid Primer can be applied using a brush, roller or spray and is also available in aerosol form. It has a white satin matt finish which can be tinted.  Area of application Recommended for renovation and quality new work and application to fire, smoke and water damaged surfaces, including: interior ceilings and walls, can be applied directly on clean, dry and sound substrates such as plaster, wood or previously painted substrates prior to applying of all current single component water based finishes.

Surface and Environment

Classidur P-Rapid Primer can be applied to uneven surfaces, offering excellent levelling power. P-Rapid Primer is ideal for application internally or externally and has excellent adhesion wherever it is applied. Please contact Promain on 01462 421333 for more information.

Technical Details
Finish: Satin Matt
Touch Dry: 1 hour at 20°C
Recoatable: 3 hours at 20°C
Theoretical Coverage: Approx 6m2 per litre
Application Method: Brush, roller or spray. Also available in aerosol form
Colour: White
Availability: 400ml Aerosol and 5 Litres


  • Excellent stain blocking primer
  • Rapid drying
  • Can be used with any current single-component finish
  • Excellent levelling qualities
  • Can be sandpapered
  • Very good gloss retention
  • Can be tinted with ClassiMix or universal tinting pastes
  • Solvent based