Sikafloor®-931 Finishing Aid

• Contributes towards satisfying Materials and Resources (MR) Credit: Building Product Disclosure and Optimization — Material Ingredients under LEED® v4

Water-based colloidal silica

12 months from date of production

The Product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +40 °C. Always refer to the packaging.

Refer to the current Safety Data Sheet for information on safe handling and storage.

25–50 g/m² per application

Note: Consumption data is theoretical and does not allow for any additional material due to surface porosity, surface profile, variations in level, wastage or any other variations. Apply the Product to a test area to calculate the exact consumption for the specific substrate conditions and proposed application equipment.

Low-pressure sprayer

FRESH CONCRETE: The concrete must be designed for flooring to support powerfloating and tamping techniques, as well as dry shake application which might be required to improve concrete properties. When applying a dry shake, apply it to fresh concrete to remove bleeding water.

IMPORTANT: 

Maximum application quantity: Do not apply more than 70 g/m² (15 m²/L) per single application. The product can be used in multiple stages, along with the Sikafloor® Dryshake.

Spraying equipment: Do not use sprayers previously used to spray silicones or release agents. Ensure spraying equipment is cleaned thoroughly before use and that previous membrane residues are removed.

Do not mix with other products: Do not mix the Product with other surface hardeners.

Damage caused by overspray: Substrates such as glass, aluminum and polished surfaces can become etched when exposed to the uncured product. Clean off overspray with water immediately from glass, aluminum or highly polished surfaces.

EXISTING, CURED CONCRETE:

1. IMPORTANT Be careful not to create puddles. Spray the Product with a low-pressure sprayer in a single application, sufficient to wet the surface (consumption ~100 g/m²)
2. IMPORTANT: Do not spread once drying begins. Spread the Product evenly with a microfiber mop to ensure uniform wetting.
3. If surfaces dry immediately, apply more Product. The surface must remain wet for 15–20 minutes.
4. Allow treated surfaces to dry.
5. Remove dried powder residue from the surface using a stiff broom, power-sweeper, or floor scrubbing machine.
6. For strongly absorbent floors, apply a second application.
7. IMPORTANT: This is a dry polish operation. For immediate enhanced shine, buff or burnish the dry concrete surface in perpendicular directions using burnishing equipment equipped with an appropriate polishing pad (for example, 800#–3000# diamond impregnated).

NEW CONCRETE:

1. IMPORTANT: Be careful not to create puddles. Spray a single application of the Product (15–30 m²/L) with a low-pressure sprayer, at the following stages:
     a. Immediately after the concrete is applied.
     b. During dryshake applications.
     c. During the finishing process, to achieve the desired gloss level.
2. Finish the floor using power floating, manual floating or tamping techniques.
3. IMPORTANT: Do not apply any additional densifiers during polishing and grinding, as the dry shake hardener is densified with the Product during placement. Polish and grind the surface 7 to 10 days after casting (wet method) to achieve higher surface uniformity and glossiness.

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