SikaCeram®-205 Medium

• CE Marking and Declaration of Performance to EN 12004 - Adhesives for ceramic tiles - C2 TE

Polymer modified, Portland cement based, with selected aggregates, water retainers and other special additives

12 months from date of production

Product must be stored in original, unopened and undamaged packaging in dry conditions at temperatures between +5 °C and +35 °C. Always refer to packaging.

D_max: 0,5 mm

EN 12004: C2TE

For the following substrates, a primer must be used:

(1:3 or 1:1) denotes primer dilution with water. Primer : Water

5.6 L of water per 20 kg bag

(28 % ± 1 %)

~1,6 kg/l

10 mm max.

+5 °C min. / +35 °C max.

+5 °C min. / +35 °C max.

~3 minutes

~6 hours

~50 minutes

12 hours

Protect from adverse weather conditions, such as extremely high or freezing temperatures, rain, direct exposure to sun, for at least 12–24 hours from application.

Values determined in laboratory conditions: +23 °C ± 2 °C, R.H. 50 % ± 5 %. Higher temperatures will reduce the indicated waiting time, lower temperatures increase waiting time.

Consumption is dependent on the substrate, surface profile, roughness, size of the tiles, the joints between them and application technique. (single spreading/floating method or double spreading/buttering method).

As a guide for a single adhesive layer:

Important: Avoid over-mixing to minimise air entrainment.

Requirement: Use a low speed electric single paddle mixer (<500 rpm) with spiral paddle for mixing.

• Pour the recommended amount of clean cold water into a clean mixing container.
• Gradually add SikaCeram®-205 Medium powder to the water while mixing.
• Mix thoroughly until a uniformly coloured, smooth mix is achieved.
• Do not mix for 2–3 minutes to allow mixed product to ‘mature’.
• Remix for ~30 seconds.

Important: Apply sufficient adhesive to ensure adequate ‘wetting’ of the backs of the tiles.

Important: Coverage on the back of the tiles must be 100 %.

Important: Tiling must to be carried out on freshly applied adhesive. Exert adequate pressure to ensure 100 % complete and uniform contact with the adhesive to achieve optimum adhesion.

Important: If a skin forms on the surface of the adhesive, immediately remove the adhesive layer with a trowel, discard material and apply a fresh layer of SikaCeram®-205 Medium adhesive.

Note: SikaCeram®-205 Medium can be used for laying tiles indoors up to 21000 cm² (45 × 45 cm), and up to 900 cm² (30 × 30 cm) outdoors.

Note: For large tiles > 900 cm² (30 × 30 cm), the double-spreading (buttering) technique is always recommended.

1. Apply sufficient adhesive to the prepared fixing surfaces with the appropriate trowel / comb or applicator to the required bed thickness.
2. Adjust tiles if required.
3. Clean off surplus adhesive from tile face and between tile joints before the adhesive has dried.

Clean all tools and application equipment with water immediately after use. Hardened material can only be mechanically removed.