Rustoleum Parafix Bituminous Primer

Non Hazardous
For weathered bituminous substrates before applying waterproof coating such as Rustoleum Dacfill or Rustoleum Dacfill HZ.
Available in 0.75 Litres and 18 Litres
From £8.75 £7.29
In stock
Only %1 left
Product Description

Rustoleum Parafix Primer has been formulated for use on bituminous surfaces such as flat roofs and other porous substrates before the application of waterborne paints.

Rustoleum Parafix Primer is a fixation primer designed for use on bituminous flat roofs and other bituminous substrates before the application of a waterproof coating. Rustoleum Parafix Primer is an ideal for primer for use in conjunction with Rustoleum Dacfill or Rustoleum Dacfill HZ. Rustoleum Parafix Primer is based on acrylic dispersions that offers a glossy, colourless impregnating finish.

Best Uses

Rustoleum Parafix Primer is best used on Bituminous surfaces such as flat roofs and other porous substrates before the application of waterborne paints. Rustoleum Parafix Primer works excellently well at preventing absorption of water and moisture. Parafix Primer works better than other conventional roof primers as it offers outstanding protection and can be used as a priming undercoat for Paracem and Paracem Semi-Gloss.


Rustoleum Parafix Primer can be applied using brush, roller or spray. Use Spray and Roller for quick and easy coverage over a large surface area and brush for touching up and priming of smaller, trickier areas. Rustoleum Parafix Primer will be touch dry after approximately 4 hours and can be recoated after roughly 24 hours. Rustoleum Parafix Primer can be cleaned and thinned with water where necessary and has fantastic coverage rates of 5-10m2 per litre.

Surfaces and Environments

Rustoleum Parafix Primer has been specifically designed for use on all bituminous and porous surfaces and works excellently well in indoor and outdoor environments. Primarily Rustoleum Parafix Primer is used as a Primer for Roofing and works well as an undercoat that offers waterproofing and abrasion resisting properties.

Technical Details


  • Glossy, colourless impregnating primer based on acrylic dispersions
  • Prevents absorption of waterborne paints on porous substrates
  • Priming coat under Paracem and Paracem Semi-Gloss
  • For different porous substrates before painting them with waterborne paints.

Technical Info

Components: One Part
Type: Colourless fixation primer based on acrylic dispersions for weathered bituminous substrates
Finish: Gloss
Stock Colours: Clear
Tintable: No
VOC Content: 40.0g per Litre
Volume Solids: 27 - 29%
Suitable Substrates: Fixation coat on weathered bituminous surfaces before recoating with Dacfill, Dacfill HZ or Dac-Hydro-Alu
Application Method: Brush, Roller or Airless Spray
Theoretical Coverage: 5 - 10 m2 per litre
Wet Film Thickness (WFT): 100 microns
Dry Film Thickness (DFT): 28 microns
Induction Time: -
Pot Life: -
Touch Dry: 1.5 hours at 20°C
Overcoatable: After 1 day at 20°C
Fully Cured: 7 days at 20°C
Cleaner / Thinner: Water
Shelf Life: 2 years from date of production in unopened cans, if stored in dry, well ventilated areas, not in direct sunlight at temperatures between 5° and 35°C
Packaging: Available in 0.75 and 18 Litres

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.

Recommended products to use