Sikafloor®-144
Sikafloor®-144 is a two part, low viscosity epoxy resin. The formula is based on the latest findings with regards to the avoidance of skin sensitive reactions, such as skin irritations, allergies etc. "Total solid epoxy composition acc. to the test method Deutsche Bauchemie e.V. (German Association for construction chemicals)"
- Low VOC
- Low odour
- Low viscosity
- Good penetration ability
- High bond strength
- Easy application
- Short waiting times
- Multi-purpose
- For internal and external use
Usage
- For priming concrete substrates, cement screeds and epoxy mortars
- For normal to strongly absorbent surfaces
- Primer for all Sika Epoxy and PUR floorings
- Binder for levelling mortars and mortar screeds
- For internal and external use
Advantages
- Low VOC
- Low odour
- Low viscosity
- Good penetration ability
- High bond strength
- Easy application
- Short waiting times
- Multi-purpose
- For internal and external use
Packaging
Part A | 17.5 kg containers |
Part B | 7.5 kg containers |
Part A+B | 25 kg ready and 10 kg unipack |
Colour
Resin - part A | transparent, liquid |
Hardener - part B | transparent, liquid |
Product Details
APPROVALS / STANDARDS
Epoxy primer , levelling mortar and mortar screed according to EN 1504-2: 2004 and EN 13813:2002, DoP 02 08 01 02 007 0 000017 1008, certified by Factory Production Control Body No. 0921 and provided with the CE-mark
Chemical Base
Epoxy
Shelf Life
24 months from date of production
Storage Conditions
The product must be stored properly in original, unopened and undamaged sealed packaging, in dry conditions at temperatures between +5°C
and +30°C.
Density
| Part A | ~ 1.1 kg /l |
Part B | ~ 1.0 kg /l |
| Mixed resin | ~ 1.1 kg /l |
All density values at 23°C.
Solid content by weight
~100%
Solid content by volume
~100%
Shore D Hardness
~83 (7days / +23°C / 50% r.h.) | (DIN 53505) |
Compressive Strength
Mortar Screed: ~45 N/mm² (28 days / +23°C / 50% r.h.) | (EN 196-1) |
Mortar screed: Sikafloor®-144 mixed 1:10 with Sikafloor®-280 filler
Tensile Strength in Flexure
Mortar Screed: ~21 N/mm² (28 days / +23°C / 50% r.h.) | (EN 196-1) |
Mortar screed: Sikafloor®-144 mixed 1:10 with Sikafloor®-280 filler
Tensile Adhesion Strength
>1.5 N/mm2 (failure in concrete) | (EN 4624) |
Application
Mixing Ratio
Part A : part B = 70 : 30 (by weight)
Ambient Air Temperature
+10°C min. / +30°C max.
Relative Air Humidity
80% r.h. max.
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.
Note: Low temperatures and high humidity conditions increase the probability of blooming.
Substrate Temperature
+10°C min. / +30°C max.
Substrate Moisture Content
< 4% pbw moisture content using the Sika® - Tramex meter ( at the time of application).
Test method: Sika®-Tramex meter, CM - measurement or Oven-dry-method. No rising moisture according to ASTM (Polyethylene-sheet).
Pot Life
Temperature | Time |
+10°C | ~ 60 minutes |
+20°C | ~ 30 minutes |
| +30°C | ~ 15 minutes |
Curing Time
Before applying solvent free products on Sikafloor®-144 allow:
Substrate temperature | Minimum | Maximum |
+10°C | 28 hours | 3 days |
+20°C | 24 hours | 2 days |
| +30°C | 12 hours | 24 hours |
Before applying solvent containing products on Sikafloor®-144 allow:
Substrate temperature | Minimum | Maximum |
+10°C | 36 hours | 5 days |
+20°C | 24 hours | 4 days |
| +30°C | 12 hours | 2 days |
Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
Consumption
Coating System | Product | Consumption |
| Priming | 1 - 2 x Sikafloor®-144 | 1 - 2 x 0.30 - 0.50 kg/m² |
Levelling mortar fine (surface roughness < 1 mm) | 1 pbw Sikafloor®-144 + 0.5 pbw quartz sand (0.1 - 0.3 mm) + 0,015pbw Extender T | 1.4 kg/m²/mm |
| Levelling mortar medium (surface roughness up to 2 mm) | 1 pbw Sikafloor®-144 + 1 pbw quartz sand (0.1 - 0.3 mm) + 0,015 Extender T | 1.6 kg/m²/mm) |
| Bonding bridge | 1- 2 x Sikafloor®-144 | 1- 2 x 0.3 - 0.5 kg/m² |
| Epoxy screed (15 - 20 mm layer thickness ) / Repair Mortar | 1 pbw Sikafloor®-144 + 10 pbw quartz sand | 2.2 kg/m²/mm |
Note: These figures are theoretical and do not allow for any additional material required due to surface porosity, surface profile, variations in level or wastage etc.
MIXING
Prior to mixing, stir part A mechanically. When all of part B has been added to part A, mix continuously for 3 minutes until a uniform mix has been achieved. When parts A and B have been mixed, add the quartz sand and if required the Extender T 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 consistent mix. Over mixing must be avoided to minimise air entrainment.
Mixing Tools
Sikafloor®-144 must be thoroughly mixed using a low speed electric stirrer (300 - 400 rpm) or other suitable equipment. For the preparation of mortars use a forced action mixer of rotating pan, paddle or trough type. Free fall mixers should not be used.
APPLICATION
Prior to application, confirm substrate moisture content, relative air humidity and dew point. If > 4% pbw moisture content, Sikafloor® EpoCem® may be applied as a T.M.B. (temporary moisture barrier) system.
Primer:
Make sure a continuous, pore free coat covers the substrate. If necessary, apply two priming coats. Apply Sikafloor®-144 by brush, roller or squeegee. Preferred application is by using a squeegee and then backrolling crosswise.
Levelling mortar:
Rough surfaces need to be levelled first. Apply the levelling mortar by squeegee/trowel to the required thickness.
Intermediate layer:
Sikafloor®-144 is poured, spread evenly by means of a serrated trowel. Roll immediately in two directions with spiked roller to ensure even thickness and if required broadcast with quartz sand, after about 15 minutes (at +20°C) but before 30 minutes (at+20°C), at first lightly and then to excess.
Bonding bridge:
Apply Sikafloor®-144 by brush, roller or squeegee. Preferred application is by using a squeegee and then backrolling crosswise.
Epoxy screed / repair mortar:
Apply the mortar screed evenly on the still “tacky” bonding bridge, using levelling battens and screed rails as necessary. After a short waiting time compact and smoothen the mortar with a trowel or Teflon coated power float (usually 20 - 90 rpm).
CLEANING OF TOOLS
Clean all tools and application equipment with Thinner C immediately after use. Hardened and/or cured material can only be removed mechanically.