Sikafloor®-305 W

• CE marking and declaration of performance based on EN 1504-2:2004 Products and systems for the protection and repair of concrete structures — Surface protection systems for concrete — Coating

• CE marking and declaration of performance based on EN 13813:2002 Screed material and floor screeds — Screed material — Properties and requirements — Synthetic resin screed material

• Determination of Fire Behaviour EN ISO 9239-1, Sikafloor®-305 W/-330/-Comfort Po

• Reaction to fire EN 13501-1, GHENT, Report No. CR 21-0998-01

Water-based polyurethane

The Product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to packaging.

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

Beware of condensation. The substrate and uncured applied product must be at least +3 °C above dew point to reduce the risk of condensation on the surface of the applied product.

Based on relative humidity of max. 70 % and good ventilation.

Note: Times are approximate and will be affected by changing ambient conditions, particularly temperature and relative humidity.

0.13 kg/m² per layer (diluted with 10 % water)

Select the most appropriate equipment required for the project:

MIXING EQUIPMENT

• Electric single-paddle mixer (300 to 400 rpm)

• Clean mixing containers

APPLICATION EQUIPMENT

• Short-pile nylon roller

• Airless spray equipment

Cementitious substrates must be structurally sound and of sufficient compressive strength (minimum 25 N/mm²) with a minimum tensile strength of 1.5 N/mm².

Substrates must be clean, dry and free of contaminants such as dirt, oil, grease, coatings, laitance, surface treatments and loose friable material.

IMPORTANT

Application on epoxy substrates

When applying the Product on an epoxy substrate, the floor must be sanded to secure proper adhesion.

1. Sand the substrate with a 3M Brown Stripper Pad in combination with low-speed automatic scrubbers or rotary floor machines (175 to 600 rpm).

IMPORTANT

Insufficient coating due to uneven or dirty substrates

Uneven or dirty substrates cannot be covered by thin seal coats.

1. Clean the substrate and adjacent areas thoroughly prior to application.

1. Vacuum the substrate to remove all dirt and contamination prior to application.

1. Prior to mixing all parts, mix Part A (resin) using an electric single paddle mixer. Mix liquid and all the coloured pigment until a uniform colour and mix has been achieved.
2. Add Part B (hardener) to Part A.

3. IMPORTANT Avoid excessive mixing to minimise air entrainment. Mix Part A + B continuously for ~3 minutes while adding 5 % to 10 % water until a uniformly coloured mix is achieved.

   Note: To achieve the smoothest surface dilute using the maximum amount of water.
4. Leave the Product to stand for 10 minutes before application.

IMPORTANT

Strictly follow installation procedures

Strictly follow installation procedures as defined in Method Statements, application manuals and working instructions which must always be adjusted to the actual site conditions.

IMPORTANT

Protect from moisture

After application, protect the Product from damp, condensation and direct water contact for at least 24 hours.

IMPORTANT

Damaged finish due to heating with fossil fuel heaters

Fossil fuel heaters powered by gas, oil or paraffin produce large quantities of both carbon dioxide and water vapour, which may adversely affect the finish.

1. For temporary heating, use only electrically powered warm air blower systems. Do not use gas, oil, paraffin or other fossil fuel heaters.

Exact colour matching

Note: For exact colour matching, ensure the Product in each area is applied from the same control batch number.

Preconditions

The substrate moisture content, relative humidity and dew point are appropriate for application.

Note: The floor must be divided into sections (at expansion joints or doorways when possible) that can be completed without stopping.

1. Apply the mixed Product in the corners, around columns and other installations by short pile roller.

   Note: Maintain a "wet edge" during application to achieve a seamless finish.

2. Distribute the mixed Product at the correct consumption rate crosswise with a short pile nylon roller.

   Note: Maintain a "wet edge" during application to achieve a seamless finish.

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