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Langlow Patent Knotting Solution – Bulk Buy

Langlow

Langlow Patent Knotting Solution

Solvent Free Resin Primer and Damp Proof Membrane for Cement Based Substrates

SikaBond® Rapid DPM is a single part moisture curing polyurethane.

For priming, consolidating and sealing of:

  • Absorbent and non-absorbent sub-floors, consolidating weak cement screed and isolation of old adhesive residues.
  • Can be used as a Damp Proof Membrane on subfloors not under hydrostatic pressure.
  • Can be used over underfloor heating. (Max 3 % moisture CM Method, 4.5 % Tramex).
* Box of products need to have a pallet, 1/2 or 3/4 of any Langlow or Palace in your order to checkout. (it's how we do free delivery)

£37.45 +VAT

£37.45 +VAT
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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 Base1-part reaction cure synthetic resin.
Packaging5 L Jerry can.
Shelf LifeUp to 12 months from date of manufacture when stored as directed.
Storage ConditionsStore in tightly closed undamaged original sealed containers, in dry condi- tions and protected from direct sunlight at temperatures between +5 °C and +25 °C
ColourBrown
Density1.16 g/cm3
Flash PointClosed cup >130 °C, Open cup >150 °C

Technical Information

Service Temperature: Up to 35oC

Langlow Patent Knotting Solution application information

ConsumptionAs 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 TemperatureRoom temperature above +10 °C. Relative air humidity < 75 %.
For ambient temperatures the standard construction rules are relevant.
Relative Air HumidityBetween 40 % and 75 %.
Substrate TemperatureDuring 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 ContentMaximum 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 TimeApproximately 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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