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Sikafloor®-324

Tough-elastic, low-VOC, aromatic polyurethane resin

Sikafloor®-324 is a two part solvent free, pigmented, aromatic polyurethane resin, with tough-elastic properties. Sikafloor®-324 makes use of Sika's unique i-Cure technology to improve surface aesthetics and reduce sensitivity for ambient humidity during application. Suitable for use in hot and tropical climatic conditions.

  • Flexible and tough elastic
  • i-Cure technology improves surface aesthetics and reduces sensitivity for ambient humidity during application
  • Good crack-bridging ability
  • Good chemical and mechanical resistance
  • Total solids and Low VOC emissions
  • Easy to apply
  • Low maintenance
  • Application on asphalt substrates possible (mastic asphalt)
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Usage

  • Sikafloor®-324 is used as part of the Sikafloor® MultiFlex polyurethane traffic deck coating system range.
  • Smooth wearing course with crack-bridging properties for industrial floors in production and storage facilities, work shops etc.
  • Broadcast wearing course with crack-bridging properties for wet working areas (food and beverage industry etc.),
  • Indoor areas, as in shopping centers, exhibition and storage areas.

Advantages

  • Flexible and tough elastic
  • i-Cure technology improves surface aesthetics and reduces sensitivity for ambient humidity during application
  • Good crack-bridging ability
  • Good chemical and mechanical resistance
  • Total solids and Low VOC emissions
  • Easy to apply
  • Low maintenance
  • Application on asphalt substrates possible (mastic asphalt)

Packaging

Container Part A

20.25 kg

Container Part B

4.75 kg

Container Part A + Part B

25.0 kg

Refer to the current price list for available packaging variations.

Colour

Part A

Coloured

Part B

Brownish

Cured colour

Available in various colours

Product Details

Sustainability / Certifications / Approvals

SUSTAINABILITY

  • Contributes towards satisfying Indoor Environmental Quality (EQ) Credit: Low-Emitting Materials under LEED® v4

  • Contributes towards satisfying Materials and Resources (MR) Credit: Building product disclosure and optimization — Environmental Product Declarations under LEED® v4

CERTIFICATES AND TEST REPORTS

  • Sikafloor®-324 follows the requirements of EN 13813:2002 synthetic resin screed material
  • Sikafloor®-324 follows the requirements of EN 1504-2:2004 coating for concrete protection
  • Fire classification according to DIN EN 13501-1:2010-01: Report No. 20150909/01, MPA Dresden
  • Crack bridging properties following to EN 1062-7 method A, Test report No: 51-15-0056, IBOS GmbH.

 
Product Information

Composition

Solvent-free polyurethane

Shelf life

12 months from date of production

Storage conditions

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. Protect from direct sunlight, heat and moisture.

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

Density

Part A

~1.4 kg/l

Part B

~1.2 kg/l

Mixed Product

~1.6 kg/l (filled 1 : 0.5 with quartz sand 0.1–0.3 mm)

All density values at +23 °C.

Solid content by mass

~100 %

Solid content by volume

~100 %

Technical Information

Shore D Hardness

~60 (7 days / 23 °C / 50% r.h.)

(DIN 53505)

Abrasion resistance

~65 mg (14 days / 23 °C / 50 % r.h.)

(ASTM D4060)

Tensile strength

~14 N/mm2 (14 days / 23 °C / 50 % r.h.)

(ISO 527-2)

Tensile adhesion strength

> 1.5 N/mm² (failure in concrete)

(EN 13892-8)

Elongation at break

~90 % (28 days / 23 °C / 50 % r.h.)

(ISO 527-2)

Application

Application Information

Mixing ratio

Part A : Part B = 81:19 (by weight)

Ambient air temperature

Min. +10 °C / Max. +35 °C

Relative air humidity

Max. 80 % r.h.

Dew point

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.

Substrate temperature

Min. +10 °C / Max. +35 °C

Pot Life

+10 °C

~40 minutes

+20 °C

~30 minutes

+30 °C

~20 minutes

Waiting time to overcoating

Before overcoating the Product, allow:

Temperature

Minimum

Maximum

+10 °C

30 hours

72 hours

+20 °C

24 hours

48 hours

+30 °C

16 hours

36 hours

If the maximum waiting time is exceeded, the surface must be prepared by grinding to obtain a mechanical key between the layers.

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

Applied product ready for use

Temperature

Foot Traffic

Light Traffic

Full Cure

+10 °C

1 day

3 days9 days

+20 °C

12 hours

2 days5 days

+30 °C

8 hours

1 day3 days

Note: Times are approximate and will be affected by changing ambient conditions

Consumption

Consumption

Please refer to the particular System Data Sheets and related Method Statement.

Application steps

MIXING

  • Mix part A until a uniform colour and mix has been achieved. Add Part B (hardener) to Part A.
  • IMPORTANT: Do not mix excessively. Mix Part A + B continuously for ~2 minutes until a uniformly coloured mix is achieved.
  • When required, add the quartz sand (e.g. Sikadur®-504) and mix for a further 2 minutes until a uniform mix has been achieved.
  • To ensure thorough mixing, pour materials into another container and mix again to achieve a smooth and uniform mix.
  • During the final mixing stage, scrape down the sides and bottom of the mixing container with a flat or straight edge trowel at least once to ensure complete mixing.
  • Leave the Product to stand for 3 minutes before application.

  • MIXING EQUIPMENT: Electric double paddle mixer (>700 W, 300 to 400 rpm).

APPLICATION

Follow the application procedures as defined in particular System Method Statements, application manuals and working instructions which must always be adjusted to the actual site conditions.

Prior to application, confirm substrate moisture content, relative humidity and dew point.
Generally, Sikafloor®-324 is poured and spread evenly by means of a short piled roller, serrated trowel or pin rake. When used in a selfsmoothing system applications, roll in two directions with a spike roller, to ensure even thickness and to remove entrapped air.

CLEANING OF EQUIPMENT

Clean all tools and application equipment with Sika® Thinner C immediately after use. Hardened material can only be removed mechanically.

 

CLEANING

To maintain the appearance of the floor after application, Sikafloor®-324 must have all spillages removed immediately and be regularly cleaned using rotary brush, mechanical scrubbers, scrubber dryer, high pressure washer, wash and vacuum techniques etc., using suitable detergents and waxes.

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