Langlow Patent Knotting Solution extended information
Consumption:
As a surface conditioner/primer:
Apply 1 coat at a minimum consumption of 100 – 200 g/m2 (85-170 ml/m2).
As an isolator for old adhesive residues:
Apply 1 coat at a minimum consumption of 100 – 200 g/m2 (85-170 ml/m2).
As a Damp Proof Membrane: (tested in accordance with ASTM E 96)
Apply 2 – 3 coats at 100 – 250 g/m2 (85-215 ml/m2). Allow each coat to fully cure. Total consumption should be no less than 400 g/m2 (340 ml/m2).
Skinning / Laying Time: ~10-20 minutes (+20 °C 50 % r.h.)
Sag Flow: Consistency: Spreads easily when applied using brush, squeegee or short/medium pile roller
Langlow Patent Knotting Solution characteristics and advantages
| Skinning / Laying Time | ~10-20 minutes (+20 °C 50 % r.h.) |
Characteristics / Advantages
- 1-part, ready to use.
- Rapid drying (approx 45 minutes at 50% r.h. & 20oC).
- Compatible with all SikaBond® wood floor adhesives.
- Especially suited to refurbishment projects where old adhesive residues are present.
- Suitable for underfloor heating.
- Applied by roller or squeegee.
Langlow Patent Knotting Solution product information
| Chemical Base | 1-part reaction cure synthetic resin. |
| Packaging | 5 L Jerry can. |
| Shelf Life | Up to 12 months from date of manufacture when stored as directed. |
| Storage Conditions | Store in tightly closed undamaged original sealed containers, in dry condi- tions and protected from direct sunlight at temperatures between +5 °C and +25 °C |
| Colour | Brown |
| Density | 1.16 g/cm3 |
| Flash Point | Closed cup >130 °C, Open cup >150 °C |
Technical Information
Service Temperature: Up to 35oC
Langlow Patent Knotting Solution application information
| Consumption | As a surface conditioner/primer: Apply 1 coat at a minimum consumption of 100 – 200 g/m2 (85-170 ml/m2). As an isolator for old adhesive residues: Apply 1 coat at a minimum consumption of 100 – 200 g/m2 (85-170 ml/m2). As a Damp Proof Membrane: (tested in accordance with ASTM E 96) Apply 2 – 3 coats at 100 – 250 g/m2 (85-215 ml/m2). Allow each coat to fully cure. Total consumption should be no less than 400 g/m2 (340 ml/m2). |
| Ambient Air Temperature | Room temperature above +10 °C. Relative air humidity < 75 %. For ambient temperatures the standard construction rules are relevant. |
| Relative Air Humidity | Between 40 % and 75 %. |
| Substrate Temperature | During laying and until SikaBond® Rapid DPM has fully cured substrate temperature must be at least + 10 °C and in the case of underfloor heating < + 20 °C. For substrate temperatures the standard construction rules are relevant. |
| Substrate Moisture Content | Maximum substrate moisture content : ▪ 4 % CM for cement screed (ca. 6 % Tramex / Gravimetric weight percent). ▪ 0.5 % CM for anhydrite screed. ▪ 3 - 12 % CM for magnesia flooring (proportion of organic parts). Maximum substrate moisture content in case of underfloor heating: ▪ 3 % CM for cement screed (ca. 4.5 % Tramex / Gravimetric weight per- cent). ▪ 0.3 % CM for anhydrite screed. ▪ 3 - 12 % CM for magnesia flooring (proportion of organic parts). For moisture content and quality of substrates the guidelines of the wood floor manufacturer as well as standard construction rules must be ob- served. Please Note: Most wood floor manufacturers state a maximum substrate moisture content of 2 % CM (ca.2.5 % Tramex). |
| Curing Time | Approximately 45 minutes at 20 °C & 50 % r.h. |
Limitations
- SikaBond® Rapid DPM is only to be used in well ventilated areas.
- In areas such as basements, or other areas without a functional damp proof membrane preventing hydrostatic water vapour pressure, SikaBond® Rapid DPM must only be installed after the application of Sikafloor® 81 EpoCem. For detailed instructions consult the Product Data Sheets or contact our Technical Department.
- Do not use in conjunction with materials other than those recommended by Sika Limited.
- Some concrete surface sealers can negatively influence the adhesion of SikaBond® Rapid DPM. Pre-application trials are recommended. For further information or assistance please contact Sika Technical Department.
- Installation on magnesite or on isolating bituminous layers is not recommended.
- Ensure adequate air ventilation during application and curing.
- As from 24 August 2023 adequate training is required before industrial or professional us
Application Instructions
Langlow Patent Knotting Solution Substrate Preparation
Substrate quality: Clean, homogeneous, even, free from grease, dust and loose particles. Paint, cement laitance and other poorly adhering particles must be removed. Maximum moisture content must not exceed 4 % CM method (6 % Tramex) 3 % CM (4.5 % Tramex) in the case of underfloor heating. Standard construction rules must be observed.
Preparation:
- Concrete / cement screed: Must be clean, contaminant free and thoroughly cleaned with industrial vacuum cleaner.
- Anhydrite screed / Anhydrite flowable screed: Must be ground and thoroughly cleaned with industrial vacuum.
- Unknown substrates: Tests are recommended for compatibility and adhesion.
















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