Sikafloor®-400 N Elastic
Sikafloor®-400 N Elastic is a one part, highly elastic, solvent containing, UV resistant, coloured, moisture curing polyurethane resin coating.
- Highly elastic
- Crack-bridging
- Waterproof
- UV resistant, non-yellowing
- Weather resistant
- Abrasion resistant with normal use
- Slip resistant surfaces are possible
Usage
Sikafloor®-400 N Elastic is used as:- Smooth or slip resistant, UV resistant, waterproof, crack-bridging coating for concrete and cementitious screed substrates
- For light to medium mechanical exposure
- For balconies, terraces, footbridges, stairways etc.
- As the top coat in the Sika Ground Water Protection System (I N) for Bund Containment Areas
Advantages
- Highly elastic
- Crack-bridging
- Waterproof
- UV resistant, non-yellowing
- Weather resistant
- Abrasion resistant with normal use
- Slip resistant surfaces are possible
Packaging
6 kg, 18 kg units
Colour
Coloured liquid. Almost unlimited choice of colour shades.
Product Details
APPROVALS / CERTIFICATES
- Synthetic resin screed material for floor screeds according to EN 13813:2002, Declaration of Performance 0208050100100000011008, certified by notified factory production control body 0921 and provided with the CE mark
- Coating for concrete protection according to EN 1504-2:2004, Declaration of Performance 0208050100100000011008, certified by notified factory production control body 0921 and provided with the CE mark
- Approval for “Ground Water Protection System”, Z-59.12-4, DIBt, Germany, July 2008.
Composition
PUR
Shelf life
6 months from date of production
Storage conditions
The packaging must be stored properly in original, unopened and undamaged sealed packaging, in dry conditions at temperatures between +5 °C and +30 °C.
Density
~ 1.6 kg/l | (DIN EN ISO 2811-1) |
Solid content by weight
~ 88 %
Solid content by volume
~ 77 %
Abrasion resistance
30 mg (CS 10/1000/1000) | (8 days / +23 °C) |
Chemical resistance
Resistant to many chemicals. Contact Sika technical service.
Attention: Wine, coffee, some leaves and flower petals etc. may cause surface discolouration. This will have no effect on the product performance and durability. Use Sikafloor®-410 for improved cleanability and resistance to contamination.
Temperature resistance
| Exposure* | Dry heat |
Permanent | +50 °C |
Short-term max. 7d | +80 °C |
Short-term max. 8h | +100 °C |
*No simultaneous chemical and mechanical exposure.
Application
Ambient air temperature
+10 °C min. / +30 °C max.
Relative air humidity
80 % r.h. max.
35 % min. (below +20 °C: 45 % min.)
Dew point
Beware of condensation!
The substrate and uncured floor must be at least 3 °C above dew point to reduce the risk of condensation or blooming on the floor finish.
Substrate temperature
+10 °C min. / +30 °C max.
Substrate moisture content
< 4 % pbw moisture content.
Test method: Sika®-Tramex meter, CM - measurement or Oven-dry-method.
No rising moisture according to ASTM (Polyethylene sheet).
Pot Life
The material in opened containers should be applied immediately. With open containers surface film formation will happen within 1-2 hours. High temperatures and high air humidity will accelerate curing significantly.
Curing time
Before overcoating Sikafloor®-400 N Elastic allow:
Substrate temperature | Minimum | Maximum |
+10 °C | 36 hours | 5 days |
+20 °C | 24 hours | 3 days |
+30 °C | 16 hours | 2 days |
Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
Applied product ready for use
Temperature (r.h. 50%) | Rain resistant | Foot traffic | Full cure |
+10 °C | ~15 hours | ~1 - 2 days* | ~7 - 14 days* |
+20 °C | ~5 hours | ~6 - 24 hours* | ~5 - 9 days* |
+30 °C | ~3 hours | ~4 - 18 hours* | ~3 - 5 days* |
*Strongly influenced by layer thickness
Note: Times are approximate and will be affected by changing ambient conditions
Consumption
0.4 - 1.5 kg/m²/mm depending on the application. Please refer to the respective System Data Sheet.
MIXING
Prior to use stir Sikafloor®-400 N Elastic mechanically for 3 minutes. If required the Thinner C or Extender T should be added into the Sikafloor®-400 N Elastic until a uniform mix has been achieved. Over mixing must be avoided to minimise air entrainment.
Mixing Tools:
Sikafloor®-400 N Elastic must be thoroughly mixed using a low speed electric stirrer (300 - 400 rpm) or other suitable equipment.
APPLICATION
Prior to application, confirm substrate moisture content, relative humidity and dew point.
As a primer Sikafloor®-400 N Elastic can be applied by brush, roller or squeegee and as a coating Sikafloor®-400 N Elastic is poured and spread evenly with a trowel.
CLEANING OF EQUIPMENT
Clean all tools and application equipment with Thinner C immediately after use. Hardened and/or cured material can only be removed mechanically.