Sikafloor 131 Level Latex Ultra extended information
Yield: Approx. 5 m2 at a depth of 3 mm
Sikafloor 131 application instructions
SUBSTRATE QUALITY / PRE-TREATMENT
Wet or humid rooms, such as bathrooms: Sikafloor®- 131 Level Latex Ultra should be covered with a damp proofing membrane such as SikaBond® Rapid DPM. Switch off any underfloor heating systems 24 hours before, and until 24 hours after, application. Ensure floor temperature is >5 °C. Holes/cavities: use a suitable cement based repair mortar and allow to fully cure. Ensure that all joints and cavities in the substrate are protected to prevent leakage. Concrete/screed should be at least 28 days old. The surface must be clean, dry, structurally sound and possess an effective damp proof membrane, such as SikaBond® Rapid DPM. The surface should be free from residual adhesives, dampproof membranes, bitumen-based materials, oil, grease, wax, loose flaky paint, dust, laitance, etc. that could reduce adhesion.
PRIMING
Normal Absorbent Concrete/Screed
These substrates do not normally require priming. Damp down floor with clean water without leaving puddles, and allow to surface dry. If water is absorbed immediately into substrate, treat as porous surface.
Porous Concrete/Screed
Seal surface with SikaBond® PVA+ (1 part PVA to 4 parts clean water) internally, or SikaBond SBR (1 part SBR to 3 parts clean water) externally, ensuring sur- face is well coated, then allow to dry.
For highly porous substrates it may be necessary to apply more than one coat to prevent pinholes and cracking/debonding of Sikafloor® 131 Level Latex Ultra.
Non Porous/Dense Substrates (quarry/ceramic tiles, terrazzo and smooth concrete etc)
Mechanically roughen surfaces by grinding or scarifying to provide a mechanical key.
Alternatively, apply a bonding coat of undiluted SikaBond® PVA+ (or SBR if used externally) and allow to become tacky before applying levelling compound.
Sikafloor 131 APPLICATION
25 kg of Sikafloor®-131 Level Latex Ultra will require 5 L of water.
DO NOT USE EXCESS WATER. Always add the powder to water. This should be carried out by stepwise addition whilst stirring until a free flowing creamy compound is produced. Pour the mixture out onto the prepared floor and allow it to find its own level. Trowel down lightly to achieve an overall thickness not exceeding 10 mm. For depths above 10 mm (up to 25 mm) add 1 part of clean, dry sharp sand to 1 part Sikafloor®-131 Level Latex Ultra. The sand should be added after mixing powder with water. It is advisable to reduce the amount of mixing water before adding sand, then top up with water to achieve the correct consistency. Note: the flow characteristics will be affected by addition of the sand. Allow 3 days cure prior to subjecting to vehicular traffic @20 °C, longer at lower temperatures.
LIMITATIONS
- Always mix with clean fresh water and always prime floors as directed.
- The product will not resist rising damp. In these conditions, use in conjunction with D.P.M, liquid damp proof membrane as directed on the tin.
- Never exceed the quantity of water stated. This will dramatically reduce strength and cause cracking.
- Do not mix more compound than can be laid in 20 minutes and never try to reconstitute once the product has set.
- Do not use over tarmac, asphalt or anhydrite screeds. On substrates where underfloor heating is in place, switch off the heating for 24 hours before, and until 24 hours after, application.
- Do not use this product below 5 °C.
- Existing concrete screeds must be a minimum of 4 weeks old before overlaying with this product.
- As the manufacturer cannot know all the uses their products may be put to, it is the user’s responsibility to determine suitability for use.
- If in doubt, contact Technical Services Department.
Sikafloor 131 product information
Packaging | 25 kg Bag |
Appearance / Colour | Grey Powder |
Shelf Life | 6 months from date of manufacture when stored as directed |
Storage Conditions | This product must be stored in unopened bags clear of the ground in cool dry conditions and protected from excessive draught, ideally between 5 °C and 30 °C. Use of this product after the end of the declared storage period may increase the risk of allergic reaction. |
Sikafloor 131 application information
Yield | Approx. 5 m2 at a depth of 3 mm |
Layer Thickness | 2-10 mm (up to 25 mm filled) |
Ambient Air Temperature | 5 °C to 35 °C |
Pot Life | 15-20 mins |
Setting Time | 2-3 hours (initial set depending on ambient temperature) |
Waiting Time / Overcoating | Can accept tiles after approx. 3 hours |
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