Product Data Sheet Show all documents

Sikafloor® MultiDur WS-25

Smooth Water Based Low Emissions Epoxy Floor System

Sikafloor® MultiDur WS-25 is an epoxy, coloured, water based, low VOC /AMC emissions, resin based floor coating system. It provides a hard wearing, seamless, chemical resistant, low maintenance, smooth semi-gloss finish. For normal - medium wear conditions. Thickness 2.0 – 3.0 mm. Internal use.

  • Low VOC / AMC emissions
  • Good chemical and mechanical resistance
  • Water dilutable
  • Odourless
  • Easy application
 
Product Data Sheet Show all documents

Usage

  • On concrete and cementitious screeds with normal up to medium heavy wear e.g. storage, maintenance, workshops, garages, car park decks, warehouses and production areas.

Advantages

  • Low VOC / AMC emissions
  • Good chemical and mechanical resistance
  • Water dilutable
  • Odourless
  • Easy application
 

Packaging

Refer to the individual Product Data Sheets

Colour

Available in many colours    

Appearance

Smooth semi-gloss finish

System Details

Sustainability / Certifications / Approvals

ENVIRONMENTAL INFORMATION

  • Conformity with LEED v4 MRc 2 (Option 1): Building Product Disclosure and Optimization – Environmental Product Declarations - Sikafloor®-240 W
  • Conformity with LEED v4 MRc 4 (Option 2): Building Product Disclosure and Optimization - Material Ingredients - Sikafloor®-240 W
  • Conformity with LEED v2009 IEQc 4.2: Low-Emitting Materials - Paints and Coatings - Sikafloor®-240 W
  • IBU Environmental Product Declaration (EPD) available - Sikafloor®-240 W
  • VOC emission classification GEV-Emicode EC1PLUS, Report No. G19919B - Sikafloor®-2540 W
  • VOC emission classification of building materials RTS M1 - Sikafloor®-2540 W
  • VOC emission certificate according to AgBB und DIBt approval requirements,  Report No. Z-156.605-1300 - Sikafloor®-2540 W
  • Class A+ according to French Regulation on VOC emissions, Report No. 392-2014-00087005C - Sikafloor®-2540 W

APPROVALS / STANDARDS

  • CE Marking and Declaration of Performance to EN 1504-2 - Surface protection product for concrete - Coating - Sikafloor®-2540 W
  • CE Marking and Declaration of Performance to EN 13813 - Resin screed material for internal use in buildings - Sikafloor®-2540 W
 
System information

Shelf Life

Refer to the individual Product Data Sheets

Storage Conditions

Refer to the individual Product Data Sheets

System Structure

Sikafloor® MultiDur WS-25 system (~2–3 mm)

02_en_Multidur_3_s_m_1000

Layer

Product

1. Primer

Sikafloor®-2540 W +5% water by weight

2. Wearing layer

Sikafloor®-240 W

3. Top coatSikafloor®-2540 W

Composition

Water based epoxy

Nominal Thickness

~2–3mm
Technical Information

Chemical Resistance

Resistant to many chemicals. Contact Sika Technical Services for specific information

Application

Application Information

Ambient Air Temperature

+10 °C min. / +30 °C max.

Relative Air Humidity

75 % r.h. max.

Dew Point

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

Substrate Temperature

+10 °C min. / +30 °C max.

Substrate Moisture Content

≤6 % parts by weight
Test method: Sika®-Tramex meter, CM - measurement or Oven-dry-method. No rising moisture according to ASTM (Polyethylene-sheet).

Waiting Time / Overcoating

Before applying Sikafloor®-240 W on Sikafloor®-2540 W allow:

Substrate temperature

Minimum

Maximum

+10 °C

48 hours

7 days

+20 °C

20 hours

6 days

+30 °C

10 hours

3 days

Before applying Sikafloor®-2540 W on Sikafloor®-240 W allow:

Substrate temperature

Minimum

Maximum

+10 °C

24 hours

3 days

+20 °C

15 hours

2 days

+30 °C

10 hours

1 day

Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
When relative air humidity is ≥ 75 % the waiting time is increased by at least 24 hours.

Applied Product Ready for Use

Temperature

Foot traffic

Light traffic

Full cure

+10 °C

~48 hours

~5 days

~10 days

+20 °C

~20 hours

~3 days

~7 days

+30 °C

~10 hours

~2 days

~5 days

Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
Application consumption

Consumption

Sikafloor® MultiDur WS-25 system

Layer

Product

Consumption

1.Primer

1 × Sikafloor®-2540 W

~0.2 – 0.3 kg/m2 thinned with 5 % water

2.Wearing layer

1 x Sikafloor-240 W filled 10:1 with quartz sand 0.08–0.25 mm by weight

~2.25 kg/m2/mm

3.Top coat

1-2 × Sikafloor®- 2540 W

~1-2× 0.2–0.3 kg/m2 per layer or 25 ml / m2
Application steps

CLEANING

Refer to Method Statement: Sikafloor®-Cleaning Regime

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