Sika Sikagard -905 W

Sikagard®-905 W is an acrylic, water-based impregnation, ready to use, to be used in the treatment of porous surfaces like plaster and natural stones. Is an ink-saving sealer, that prepares the bottom, enhances paint adhesion, effective waterproofing and prevents mould, mildew and efflorescence.

Uses

• As a sealer and primer for plastered surfaces;
• As a waterproofing for plastered surfaces;
• As a surface hardener for weak and powdery substrates;
• For prevention and treatment against mould, mildew and efflorescence;
• As protection os stones and exposed bricks;
• Can be used in indoor and outdoor environments;
• Waterproofing for the rustic surface of marble and granite floors;

Features & Benefits

• High penetration;
• Almost invisible when dry;
• Can be painted or covered with wallpaper;
• UV resistant;
• Promotes savings in ink consumption;
• Protects and preserves the paint on the walls;
• Makes surface waterproof, protecting against aggressive agents;
• Avoids stains on natural stone floors, such as marble and granite, due to water absorption;
• Effective in protecting against rising dampness.

Application Instructions

Substrate Quality/Pre-Treatment

Mixing

• Sikagard®-905 W is supplied and ready for use. Shake the pail prior to use

Application

• Apply Sikagard®-905 W by brush or roller ensuring full saturation, brushing or rolling well into the substrate. On highly absorbent substrates, a second coat might be necessary. Allow the first coat to dry prior to applying the subsequent coat.

Cleaning of Tools

• Clean all tools and application equipment with water immediately after use.

Limitations

• Sikagard®-905 W is unable to prevent damage due to
• condensation on cold walls (e.g. in poorly ventilated rooms).
• Sikagard®-905 W cannot be used to make good excessively damaged substrates requiring complete resurfacing (e.g. deteriorated softened plaster, etc.).
• If not overcoated, in certain circumstances, Sikagard®-905 W might change the visual aspect of the surface slightly - always carry out preliminary tests prior to full application.
• Allow Sikagard®-905 W to fully dry out tack-free prior to over-painting or applying wallpaper.
• When overcoating with wallpaper, use a wallpaper adhesive designed for non-absorbent substrates.
• When overcoating with washable wallpaper, use a mould-resistant adhesive

Local Restrictions

Please note that as a result of specific local regulations the performance of this product may vary from country to country. Please consult the local Product Data Sheet for the exact description of the application fields

Storage Conditions

Store in dry conditions protected from frost at temperatures higher than +5°C. Protect from excessive heat.