Junckers Water Based Primer

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Junckers Water-Based Primer – Fast Drying Primer for Wooden Floors

The **Junckers Water-Based Primer (WB Primer)** is a premium acrylic primer developed to prepare untreated and machine-sanded wooden floors before the application of Junckers water-based floor lacquers. Designed for professional flooring contractors and experienced DIY users, this high-performance primer enhances adhesion, promotes a more uniform finish and helps minimise the risk of side-bonding between individual floorboards. It is suitable for use in residential properties, commercial buildings and sports halls, making it a versatile choice for a wide range of timber flooring projects.

Available in **Clear**, **White** and **Nordic** finishes, the primer allows you to achieve different visual effects while providing the ideal base for a durable lacquer system. Whether you're restoring an existing hardwood floor or finishing a newly installed timber floor, Junckers WB Primer helps create a professional-quality result that enhances the natural beauty of the wood.

The Perfect Foundation for a Durable Floor Finish

A high-quality floor finish begins with proper preparation. Junckers Water-Based Primer penetrates and seals the timber surface while creating an excellent base for subsequent coats of Junckers water-based floor lacquer.

Using the correct primer helps improve the overall appearance of the finished floor while ensuring the lacquer bonds evenly across the surface. It also contributes to a smoother finish with enhanced durability and consistent colour.

Fast Drying Formula

Time is often an important consideration during flooring projects. Junckers WB Primer features a fast-drying water-based formulation that allows work to progress efficiently.

Under normal conditions of approximately 20°C and 50% relative humidity, the primer dries in around **1–2 hours**, allowing the next stage of the finishing process to begin without unnecessary delays. Actual drying times may vary depending on temperature, humidity and ventilation.

Its quick drying performance makes it suitable for both domestic renovations and commercial flooring installations where minimising downtime is important.

Helps Minimise Side-Bonding

One of the key advantages of Junckers WB Primer is its ability to help reduce the risk of **side-bonding** between individual floorboards.

Side-bonding occurs when lacquer bridges the small gaps between timber boards, potentially restricting their natural movement as humidity levels change. By using an appropriate primer, the likelihood of this issue is reduced, helping to maintain the long-term performance and appearance of the floor.

This makes WB Primer particularly valuable for quality timber flooring installations.

Available in Multiple Finish Options

Junckers Water-Based Primer is available in several versions to suit different design preferences.

Clear

The Clear version preserves the traditional appearance of natural timber while providing an ideal base for finishing coats of lacquer.

White

The White primer creates a lighter appearance while still allowing the natural grain of the wood to remain visible, making it ideal for bright, contemporary interiors.

Nordic

The Nordic version contains light white pigmentation that helps create the popular untreated wood look on light timber species such as oak, producing a modern Scandinavian-style finish. Colour intensity can vary depending on the timber species, so testing on a small area before full application is recommended. ([Junckers][1])

Suitable for a Wide Range of Wooden Floors

Junckers WB Primer is designed for use on many interior timber flooring types, including:

* Solid hardwood flooring
* Engineered wood flooring
* Parquet flooring
* Strip flooring
* Plank flooring
* Residential timber floors
* Commercial wooden floors
* Sports hall flooring

For tropical hardwoods, oily timber species or dark patterned floors such as herringbone, Junckers recommends using its solvent-based SB Primer instead for the best adhesion and appearance.

Excellent Coverage

The primer provides an approximate coverage rate of **8m² per litre**, offering economical performance across a variety of flooring projects.

Actual coverage may vary depending on the condition, porosity and absorbency of the timber surface. Smooth, well-prepared floors generally achieve better coverage than rough or highly absorbent wood.

Easy Application

Junckers WB Primer has been developed for straightforward application using professional flooring tools.

For best results:

1. Ensure the floor is clean, dry and free from dust, grease, wax and old polish residues.
2. Sand the timber to the recommended grit.
3. Vacuum thoroughly and remove all sanding dust.
4. Stir or shake the primer before use.
5. Apply an even coat using a short-pile floor roller.
6. Allow the primer to dry completely.
7. Lightly abrade the surface where recommended.
8. Finish with two coats of a compatible Junckers water-based floor lacquer.

The primer should not be sprayed or poured directly onto the floor. Following the manufacturer's recommended application method helps achieve the best possible finish.

Compatible with Junckers Water-Based Lacquers

Junckers WB Primer has been specifically formulated for use beneath Junckers water-based finishing systems.

Depending on the expected level of traffic, it can be overcoated with products such as:

* Junckers MT200 Floor Lacquer
* Junckers MT500 Floor Lacquer
* Junckers HT700 Floor Lacquer
* Junckers HP800 Sport Floor Lacquer

Using compatible products throughout the finishing system helps deliver optimum adhesion, durability and long-term performance.

Water-Based Technology

The acrylic water-based formulation provides several practical benefits, including:

* Low odour during application
* Fast drying performance
* Easy clean-up with soap and water
* Excellent compatibility with Junckers water-based lacquers

These characteristics make the primer suitable for use in occupied buildings where reducing disruption is important.

Danish Indoor Climate Label

Junckers WB Primer has received the **Danish Indoor Climate Labelling**, demonstrating that it has been independently assessed for emissions and indoor air quality. This certification makes it an excellent choice for homes, schools, offices and other environments where maintaining a healthy indoor climate is a priority.

Suitable for Residential, Commercial and Sports Floors

Its versatility makes Junckers Water-Based Primer suitable for numerous applications, including:

* Private homes
* Apartments
* Offices
* Hotels
* Restaurants
* Schools
* Sports halls
* Community centres
* Retail premises
* Public buildings
* Commercial refurbishments

Whether you're coating a single room or a large commercial floor, the primer provides a dependable foundation for a professional finish.

Key Features

* Fast-drying water-based acrylic primer
* Designed for untreated and machine-sanded timber floors
* Helps minimise side-bonding between floorboards
* Improves adhesion of water-based floor lacquers
* Available in Clear, White and Nordic finishes
* Suitable for residential, commercial and sports floors
* Approximate coverage of 8m² per litre
* Dries in approximately 1–2 hours
* Easy application with a short-pile roller
* Compatible with Junckers water-based floor lacquer systems
* Soap and water tool clean-up
* Danish Indoor Climate Label certified
* Professional-quality finish

Why Choose Junckers Water-Based Primer?

The **Junckers Water-Based Primer** provides the ideal starting point for achieving a durable, attractive and professional-quality timber floor finish. Its fast-drying acrylic formulation prepares bare wood for lacquer, improves adhesion and helps reduce the risk of side-bonding, while the choice of Clear, White or Nordic finishes allows you to tailor the final appearance to suit your project.

Whether you're renovating an existing hardwood floor, finishing a newly installed timber floor or preparing a large commercial space, Junckers WB Primer delivers reliable performance, straightforward application and excellent compatibility with the Junckers range of water-based floor lacquers. By providing a strong foundation for the finishing system, it helps ensure beautiful, long-lasting results that protect and enhance timber floors for years to come.