Weber Saint-Gobain - Official website of the company

weberpas PR 300

formerly Decofacade. 300 PR

weberpas PR 300
weberpas PR 300

Product benefits

  • Homogeneous absorption for substrate
  • Uniform aspect

Acrylic water based primer

weberpas PR 300 is used as a primer coat to provide the substrate with a homogenous absorption giving the treated area a uniform aspect. It is used before the application of weberpas deco 310, 330,350 and 355 over cementitous, gypsum and wood substrates.

Product Features


Colours The product is available in different colours (white, beige and others)
Paste density 1.25
pH 8


0.25-0.35 kg/m².


One year after manufacturing date in its original packing non open, protected form frost and heat.


Printable TDS (PDF)

Printable MSDS (PDF)


Send or download the documentation

You can either send the documentation to an email address, or download it.

Instructions for use

Surface preparation

Substrate must be clean, sound and free from greasy matters and dust. Remove all traces of paint, mould oil which may affect the adhesion. Before the application the substrate must be sufficiently cured in a way that any shrinkage has already occurred.Before the application of weberpas PR 300, moisten the substrate and wait until it becomes dry at the surface.

Product application

weberpas PR 300 is applied using a paint brush or woolen roller.Two coats are   usually recommended to obtain satisfactory results applied in crossed layer. The first layer must be dry before the application of the second one.Thinning is unnecessary, but if required to obtain desired application properties, a small amount of clean water not more than 0.5 liter/ 20 Kg pail may be added.

Environmental and Safety

Safety precautions

Avoid prolonged contact with skin. Wear protective gear for hands & eyes. Splashes on the skin should bewashed away by cleaning with soap and water. In case of contact with eyes,ashed away by cleaning with soap and water. In case of contact with eyes, wash thoroughly with clean washed away by cleaning with soap and water. In case of contact with eyes, wash thoroughly with clean water. If swallowed, do not induce vomiting. In both cases seek medical attention. The product is non-flammable.


While the company guarantees its products against defective materials, the use and application of these products are made without guarantee since the conditions of their application are beyond its control. It is recommended to verify with the company that the product is suitable for the intended use, and that this Data Sheet version is the latest one. The company may modify it without prior notice. Technical characteristics are listed for guidance only. For more information, please contact the company’s office in your location.


The information included on this Technical Data Sheet is the sole property of SODAMCO Holding. The unauthorized disclosure, use, dissemination or copying (either whole or partial) of this data sheet or any information it contains, is prohibited and subject to legal pursuit.

Available packaging

Lebanon20 kg
Syria20 kg
Jordan20 kg
KSA20 kg
UAE20 kg
Qatar20 kg
Kuwait20 kg
Oman20 kg