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weberpas deco 320

formerly Decofacade. 320 AC

weberpas deco 320
weberpas deco 320

Product benefits

  • Resists to extreme weather conditions
  • Flexible - 300% elongation
  • Environmental friendly
  • Ideal to seal Monocouche renders

Acrylic waterproof coating - roll finish

weberpas deco 320 is a semi-fluid acrylic paste with polymer resins. Applied in a thick coat, it provides a flexible waterproof coating for pitched roofs and facades, allowing the product to follow the tension/expansion cycles of the substrate. weberpas deco 320 shows an exceptional resistance to extreme weather conditions. It does not pollute fresh water. It is non-toxic and environmental can also be applied over substrates made of Zinc, bitumen, corrugated and galvanized iron. weberpas deco 320 can be used to over-coat existing coatings on a mineral or synthetic resin base that are well adhered and in good condition.

Product Features


Colors available in different colors (white, beige and others)
Paste density 1.25
pH 8
Elongation at break ≈ 300%
DFT minimum 240 microns
Service Temperature Approx. -5°C to +110°C
Solid content % 52%
Flexibility No cracking of film when aged over 10 years of weathering condition and flexed 180 degrees. (ASTM D522)
Hardness shore A 78 (ASTM D 2240)

Scope of Use

weberpas deco 320 is suitable for:

- The waterproofing and protection of facades

- The waterproofing and protection of different types of roofs and substrates such as concrete, metal and wood. The application substrate may be horizontal, inclined or having irregular shape. In this case, the properties of weberpas deco 320 will be significantly enhanced by the incorporation of suitable reinforcement tape, like weber band. 

On smooth concrete weberpas PR 339 should be used as primer for better adhesion.


Thick coat: 1 kg/m2/coat
Thin coat: 0. 3 to 0.5 kg/m2/coat


12 months 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.

Product application

weberpas deco 320 is applied using a cotton roll.

A coat of the primer weberpas PR 339 should be applied at first on smooth concrete, if necessary. No need for primer when used as a protective coat.

Environmental and Safety

Safety precautions

Avoid prolonged contact with skin. Wear protective gear for hands & eyes. Splashes on the skin should be 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