
Sikafloor®-151
Sikafloor®-151 is a 2-part, low viscosity multipurpose filled epoxy resin for priming and levelling concrete and cementitious substrates. It is well suited for indoor applications due to its low odour
- Suitable for indoor applications due to low odour
- Multipurpose product - can be used in many different kinds of applications
- Improves the project's ecological footprint
- Low viscosity
- Good penetration
- Good bond strength
- Short waiting times
Usage
The Product can be used as a:- Primer for concrete substrates, cement screeds and epoxy mortars
- Primer for low to medium absorbent substrates
- Primer for Sika® epoxy and polyurethane flooring systems
- Binder for levelling mortars and mortar screeds
Advantages
- Suitable for indoor applications due to low odour
- Multipurpose product - can be used in many different kinds of applications
- Improves the project's ecological footprint
- Low viscosity
- Good penetration
- Good bond strength
- Short waiting times
Packaging
Container Part A | 25,5 kg container |
Container Part A | 4,5 kg container |
Container Part A + Part B | 30 kg ready to mix unit |
Drum Part A | 255 kg drum |
Drum Part B | 180 kg drum |
Packaging Drum Part A + Part B | 4 Drums Part A (255 kg) + 1 drum Part B (180 kg) = 1200 kg |
Colour
Part A | Brownish-transparent, liquid |
Part B | Transparent, liquid |
Product Details
ENVIRONMENTAL INFORMATION
- Conformity with LEED v4 MRc 2 (Option 1): Building Product Disclosure and Optimization — Environmental Product Declarations
- Conformity with LEED v4 MRc 4 (Option 2): Building Product Disclosure and Optimization — Material Ingredients
- Conformity with LEED v4 EQc 2: Low-Emitting Materials
APPROVALS / STANDARDS
- CE Marking and Declaration of Performance to EN 13813:2002 — Screed material and floor screeds — Screed material
- CE Marking and Declaration of Performance to EN 1504-2:2004 — Products and systems for the repair and protection of concrete structures — Part 2: Surface protection systems for concrete — Coating
- Bond Behavior DIN EN 13578, Sikafloor®-151 + Sikafloor®-264 N, kiwa, Test report No. P 12091-2.1 E
- Fire classification according to EN 13501-1, Test institute University Gent, Belgium, Test report 20-0771-02
Chemical Base
Solvent free epoxy
Shelf Life
24 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.
Density
Part A | ~1,6 kg/l |
Part B | ~0,99 kg/l |
Mixed Product | ~1,47 kg/l |
Solid content by mass
~100 %
Solid content by volume
~100 %
Shore D Hardness
~80 (7 days / +23 °C / 50 % r.h.) | (EN ISO 868) |
Tensile adhesion strength
> 1,5 N/mm2 (failure in concrete) | (EN 1542) |
Thermal Resistance
Short-term, maximum 7 days | +60 °C |
IMPORTANT
No simultaneous mechanical and chemical strain
While the product is exposed to temperatures up to +60 °C, do not also subject it to chemical and/or mechanical strain, as it may cause damage to the product.
Application
Mixing Ratio
Part A : Part B | 85 : 15 (by weight) |
Product Temperature
Minimum | +10 °C |
Maximum | +30 °C |
Ambient Air Temperature
Minimum | +10 °C |
Maximum | +30 °C |
Relative Air Humidity
80 % 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. Low temperatures and high humidity conditions increase the probability of blooming.
Substrate Temperature
Minimum | +10 °C |
Maximum | +30 °C |
Substrate Moisture Content
≤ 6 % parts by weight.
Pot Life
+10 °C | ~50 minutes |
+20 °C | ~25 minutes |
+30 °C | ~15 minutes |
Curing Time
Before applying non-solvented products on Sikafloor®-151 allow:
Substrate temperature | Minimum | Maximum |
+10 °C | 24 hours | 4 days |
+20 °C | 12 hours | 2 days |
+30 °C | 8 hours | 24 hours |
Before applying solvented products on Sikafloor®-151 allow:
Substrate temperature | Minimum | Maximum |
+10 °C | 60 hours | 6 days |
+20 °C | 36 hours | 4 days |
+30 °C | 28 hours | 2 days |
Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
Waiting Time / Overcoating
Before applying non-solvent based products on the product allow:
Substrate temperature | Minimum | Maximum |
+10 °C | ~24 hours | ~4 days |
+20 °C | ~12 hours | ~2 days |
+30 °C | ~8 hours | ~24 hours |
Before applying solvent based products on the product allow:
Substrate temperature | Minimum | Maximum |
+10 °C | ~60 hours | ~6 days |
+20 °C | ~36 hours | ~4 days |
+30 °C | ~28 hours | ~2 hours |
Note: Times are approximate and will be affected by changing ambient conditions, particularly temperature and relative humidity.
Consumption
Floor System | Product | Consumption |
Priming | 1–2 x Sikafloor®-151 | 1–2 × 0,35–0,55 kg/m2 |
Levelling mortar fine (surface roughness < 1 mm) | 1 pbw Sikafloor®-151 + 0,5 pbw quartz sand (0,1–0,3 mm) | 1,7 kg/m2/mm |
Levelling mortar medium (surface roughness up to 2 mm) | 1 pbw Sikafloor®-151 + 1 pbw quartz sand (0,1–0,3 mm) | 1,9 kg/m2/mm |
Intermediate layer (self-smoothing 1,5 to 3 mm) | 1 pbw Sikafloor®-151 + 1 pbw quartz sand (0,1–0,3 mm) + optional broadcast quartz sand 0,4–0,7 mm | 1,9 kg/m2/mm ~4,0 kg/m2 |
Bonding bridge | 1–2 × Sikafloor®-151 | 1–2 × 0,3–0,5 kg/m2 |
Epoxy screed (15–20 mm layer thickness) / Repair mortar | 1 pbw Sikafloor®-151 + 6 pbw quartz sand | 2,2 kg/m2/mm |
The following sand mixtures are indicative mix design quantities that must be confirmed by pre-trials. Grain size distribution for layer thicknesses of 15–20 mm , parts by weight (pbw):
25 pbw quartz sand 0,1–0,5 mm
25 pbw quartz sand 0,4–0,7 mm
25 pbw quartz sand 0,7–1,2 mm
25 pbw quartz sand 2–4 mm
Note: The largest grain size may not exceed 1/3 of the finished layer thickness. Dependent on the grain shape and application temperatures, the sand and the most suitable mix must be selected and confirmed by pre-trials.
EQUIPMENT
Unsuitable mixing equipment
Do not use free fall mixers.
Mixing equipment
Electric double paddle mixer (300 to 400 rpm)
MIXING
Note: To change the viscosity of the Product you can add Sika® Extender T.
Mixing procedure
- Mix Part A (resin) until the coloured pigment is dispersed and a uniform colour is achieved.
- Add Part B (hardener) to Part A.
- Mix Part A + B continuously for ~3 minutes until a uniformly coloured mix is 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.
APPLICATION
IMPORTANT
Protect from moisture
After application, protect the Product from damp, condensation and direct water contact for at least 24 hours.
IMPORTANT
Temporary heating
If temporary heating is required, do not use gas, oil, paraffin or other fossil fuel heaters. These produce large quantities of both carbon dioxide and water vapour, which may adversely affect the finish. For heating, use only electric powered warm air blower systems.
Standard primer application
Equipment:
- Fleece roller
- Squeegee
- Pour the mixed Product onto the substrate. The consumption is specified in Application Information.
- Apply the Product with one of the tools specified in Equipment.
- Back roll the surface in two directions at right angles with a fleece roller. A seamless finish can be achieved if a "wet" edge is maintained during application.
Levelling Mortar
Equipment:
- Squeegee
- Pour the mixed Product onto the substrate. The consumption is specified in Application Information.
- Apply the Product with one of the tools specified in Equipment.
Intermediate layer
- Pour the mixed Product onto the substrate. The consumption is specified in Application Information.
- Apply the Product evenly over the surface with a serrated trowel.
- Back roll the surface in two directions at right angles with a spike roller.
- (Optional) If broadcasting is required, wait between 15 and 30 minutes, then broadcast the surface with quartz sand. Broadcast lightly at first, then to excess.
- (Optional) Once the product has hardened sufficiently, remove all loose sand with industrial vacuuming equipment. IMPORTANT: Confirm waiting /overcoating time is achieved before applying subsequent products. (Refer to waiting / overcoating times in Application Information)
Bonding bridge
Equipment:
- Fleece roller
- Squeegee
- Apply the Product with one of the tools specified in Equipment.
- Pour the mixed Product onto the substrate. The consumption is specified in Application Information.
- Back roll the surface in two directions at right angles with a fleece roller. A seamless finish can be achieved if a "wet" edge is maintained during application.
- (Optional) If required, apply a second priming coat.
Resin screed
IMPORTANT
For applications in layers more than 30 mm thick, always use a welded steel wire mesh (6 mm to 8 mm diameter and square grid centres of approximately 100 mm × 100 mm), placed at the centre of the screed.
- Pour the mixed Product "wet on wet" onto the still tacky primer. The consumption is specified in Application Information.
- Spread and compact the Product with a trowel to the required thickness between screed rails / battens, if installed.
- Level the screed surface with a levelling beam spanning onto the screed rails / battens.
- Finish the surface to the required surface texture with trowels or walk-behind power floats.
Resin patch repair mortar
- Pour the mixed Product "wet on wet" onto the still tacky primer.
- Apply the Product with a trowel to the required thickness.
- Compact the applied product with a trowel.
- Smoothen the surface with a trowel. IMPORTANT: Confirm waiting /overcoating time is achieved before applying subsequent products. (Refer to waiting / overcoating times in Application Information)
CLEANING OF TOOLS
Clean all tools and application equipment with Sika® Thinner C immediately after use. Hardened material can only be removed mechanically.