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SIKAFLEX® PRO-1

Product information "SIKAFLEX® PRO-1"

Sikaflex® PRO-1 – Elastic high-performance sealant for construction joints to DIN 18 540

Sikaflex® PRO-1 is an elastic sealant based on i-Cure™ polyurethane technology, developed specifically for joint sealing in building construction in accordance with DIN 18 540. The one-component sealant is supplied ready to use and cures by reaction with atmospheric moisture to form an elastic end product. Particularly noteworthy are its excellent application properties, bubble-free curing and short stringing.

Product properties and advantages:

  • Meets DIN 18 540-fb: Permissible total deformation of 25%.
  • Very high ageing and weather resistance: Ideal for demanding exterior applications.
  • Low stress on the joint flanks: Protects against premature wear.
  • Very good adhesion: Excellent adhesion to common building materials in combination with suitable pre-treatments.
  • Bubble-free curing: Ensures even, clean application.
  • Odour-neutral and solvent-free: Environmentally friendly and safe to use.
  • Very low emission: Certified to EMICODE EC1PLUS, LEED v4 EQc 2 for low-emission materials.
  • No training required under the REACH restriction 2023: Due to the low monomer content (< 0.1%).

Areas of application:

  • Joints in building construction in accordance with DIN 18 540
  • Joints with large movement
  • Connection joints on windows and doors

Technical data:

  • Chemical basis: i-Cure™ polyurethane technology, moisture-curing
  • Curing time: approx. 3 mm / 24 h (+23 °C/50% r.h.)
  • Skin formation time: approx. 80 minutes (+23 °C/50% r.h.)
  • Flow behaviour: 0 mm, very good (DIN EN ISO 7390)
  • Air and substrate temperature: between +5 °C and +40 °C
  • Substrate moisture: dry
  • Backing material: Only closed-cell PE backing profiles may be used (available here in the shop).

Test certificates:

  • DIN 18 540-fb: SKZ Würzburg
  • ISO 11 600 F 25 LM: SKZ Würzburg
  • EN 15 651-1 Class 25 LM: SKZ Würzburg
  • DIN EN 13501-1 Class E: fire behaviour

Environmental information:

  • Very low emission: EMICODE EC1PLUS
  • LEED v4 EQc 2: low-emission materials

With Sikaflex® PRO-1 you choose a high-performance sealant that meets the highest requirements both in its technical properties and in environmental friendliness. Perfect for construction joints following the strict rules of DIN 18 540.

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SIKA® Primer-3 N / primer for porous and metallic substrates
Content/size: 1 litre
One-component, solvent-based reactive primer Product properties and advantages: For porous and smooth substrates: Ideal for a variety of surfaces. Can be used on matt-damp, absorbent substrates: Perfect for demanding conditions. Transparent: Unobtrusive application on various materials. Short flash-off time: Efficient working thanks to fast drying. Easy application: Convenient to handle. Areas of application: The reactive primer is specially developed for use with SikaBond®, Sikaflex®, SikaHyflex® and Sikasil® products. It is excellent for use on: Matt-damp and dry, porous, absorbent substrates (e.g. concrete) Metals Technical application information: Air temperature: Min. +5 °C, max. +40 °C Substrate temperature: +5 °C to +40 °C, at least 3 °C above the dew point. There must be no condensation on the surface. Flash-off time: At least 30 minutes, at most 8 hours. The minimum flash-off time applies to temperatures above 15 °C; lower temperatures extend the flash-off time. Material consumption: Absorbent substrates: ~250 linear metres of joint* per litre Metals: ~400 linear metres of joint* per litre *Joint approx. 20 x 15 mm With our one-component, solvent-based reactive primer you achieve optimal adhesion and reliable results. See for yourself how easy it is to use and how versatile its applications are!

Variants from €17.50*
€37.15*
Foil sausage nozzle, long
Foil sausage nozzle, long The extra-long foil sausage nozzle is specially designed to make dispensing sealants from foil sausages easier. With a total length of 150 mm, it reaches hard-to-access places and offers maximum flexibility in application. Product properties: Total length: 150 mm – ideal for reaching hard-to-access places. Special design: Extra-long nozzle for precise work in tight, hard-to-reach areas. Universally usable: Suitable for all common sausage guns. Compatibility: Nozzle for 400/580/600 ml aluminium foil sausages. Material: High-quality workmanship for long-lasting use and reliable performance. Areas of application: Perfect for professional use in the construction industry, workshops or DIY projects. The long nozzle enables the precise, controlled dispensing of sealants, even in hard-to-reach places. Advantages: This nozzle offers an optimal solution for working with sealants in areas that are difficult to access. It ensures clean, efficient application and increases flexibility and precision at work.

€0.45*
Foil sausage nozzle COX yellow 122 mm
Foil sausage nozzle COX – length: 122 mm The COX foil sausage nozzle is designed specifically for the precise, efficient application of sealants from aluminium and foil sausages. With a length of 122 mm and a special shape, this nozzle is particularly well suited to wide joints and wide sealant application, making it an indispensable tool for professional use. Product properties: Length: 122 mm – ideal for extensive applications and wide joints. Special design: Perfect for the wide application of sealants, offering precise control. Universally usable: Fits all standard aluminium and foil sausages. Material: Robust construction for long-lasting use and durable performance. Areas of application: Indispensable equipment for the construction industry, workshops or DIY projects where precise sealing and bonding is required. Suitable for working with various materials such as silicone, acrylic or other sealants and adhesives. Advantages: This nozzle enables accurate, clean application of the material, minimising waste and maximising working efficiency. Ideal for projects requiring wide coverage.

€2.40*
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SikaHyflex®-250 Facade 600 ml – Elastic, weather-resistant high-performance sealant for facades
Colour: concrete grey
SikaHyflex®-250 Facade – Elastic, weather-resistant high-performance sealant for facades SikaHyflex®-250 Facade is a moisture-curing, elastic one-part high-performance sealant based on i-Cure™ polyurethane technology for building construction. It is designed specifically for joint sealing in accordance with DIN 18540, but is also suitable for connection joints. Application: For joints in building construction that must be sealed in accordance with the rules of DIN 18540. Also suitable for connection joints on windows and doors, concrete and rendered facades, natural stone facades, balcony parapets and gallery railings, and many other components. SikaHyflex®-250 Facade can also be used for certain fire-rated joint seals in horizontal and vertical building elements. However, this is only done in combination with a suitable fire protection joint cord. Advantages: Meets DIN 18 540-fb Very good adhesion to common building materials in combination with the appropriate pre-treatments Solvent-free, odourless Very good ageing and weather resistance Excellent application properties, very good tooling Permissible total deformation 25% (7.5% in combination with fire protection joint cord as a fire-rated joint) Low stress on the joint flanks Bubble-free curing Tack-free surface Test certificates: DIN 18 540-fb, SKZ Würzburg ISO 11 600 F 25 LM, SKZ Würzburg CE marking and declaration of performance to DIN EN 15651-1 – joint sealants for facade elements – classification F EXT-INT CC 25 LM CE marking and declaration of performance ETA 20/1111 based on EAD 350141-00-1106:2017 – fire protection and fire sealing products – linear joint and gap sealing EMICODE EC1PLUS, very low emission Declaration of safety for contact with foodstuffs, ISEGA DIN EN 13501-1 Class E (fire behaviour) Substrate pre-treatment: The joint flanks must be load-bearing, firm, clean, dry and free of oil, grease, loose particles, cement laitance, paints, water repellents and anti-graffiti coatings.

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