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# Bona Gap Master – Coloured Flexible Gap Filler for Wood Floors

Give wooden floors a neat, professional finish with **Bona Gap Master**, a flexible coloured gap filler designed for sealing gaps, cracks and small areas of damage in wood flooring. This ready-to-use acrylic mastic provides a simple and effective way to improve the appearance of timber floors while helping seal unwanted gaps between floorboards.

Unlike rigid fillers that can crack when a wooden floor naturally moves, Bona Gap Master remains permanently elastic after application. This flexibility makes it particularly useful for wooden flooring, where seasonal changes in temperature and humidity can cause boards to expand and contract.

Available in a wide choice of wood-inspired colours, Bona Gap Master makes it easier to create a repair that blends naturally with the surrounding floor. Whether you are working with oak, beech, maple, teak, wenge or another timber shade, there is a colour option to complement the flooring.

## Flexible Filler for Wooden Floors

Wood is a natural material that moves over time. Changes in temperature and humidity can cause floorboards to expand, contract and move slightly. A rigid filler may struggle to cope with this movement, potentially leading to cracks or separation.

Bona Gap Master is designed with flexibility in mind. Its permanently elastic formulation allows the filler to accommodate normal movement in the floor, making it a practical choice for sealing gaps where a flexible solution is required.

This makes it particularly useful during wooden floor renovation and finishing projects. Instead of leaving visible gaps between boards, the filler can help create a cleaner and more consistent appearance.

## Ideal for Sealing Gaps and Cracks

Gaps between wooden floorboards can become noticeable over time. They can also collect dust and dirt, making the floor more difficult to keep clean. Bona Gap Master provides a convenient way to seal suitable gaps and cracks while improving the overall appearance of the floor.

The product can be used to fill gaps in timber flooring and repair minor areas of damage. Once applied correctly, it creates a neat filled surface that can blend into the surrounding wood.

For renovation projects, gap filling can make a significant difference to the finished appearance. Even when the timber itself is in good condition, visible gaps can make a floor look unfinished. Filling appropriate gaps helps create a more uniform surface before the floor is lacquered or otherwise finished.

## A Choice of Natural Wood Colours

One of the key advantages of Bona Gap Master is its range of colour options. The filler is available in **15 colours**, giving you greater flexibility when matching the product to the existing timber.

Available shades include:

* Grey
* Maple
* Dark Oak
* Wenge
* Light Oak
* Light Beech
* Dark Beech
* Black
* Teak
* Red Exotic Wood
* Nut
* Bog Oak
* White
* Ash

The range includes both light and dark shades, making it easier to choose a colour that works with the appearance of the flooring.

Choosing a suitable colour can help the filled areas blend more naturally into the surrounding boards. As natural wood can vary in colour and grain, the final result will depend on the existing timber, its finish and the condition of the floor.

## Solvent-Free and Odourless

Bona Gap Master is a **solvent-free acrylic mastic**, making it a convenient option for interior flooring work. It is also odourless, which can be particularly beneficial when carrying out repairs or renovation work inside occupied homes and other indoor spaces.

The absence of a strong solvent smell makes the product more comfortable to work with during flooring projects. However, normal good practice should still be followed when applying any flooring product, including ensuring suitable ventilation and following the manufacturer's instructions.

## Compatible with Bona Lacquers

Bona Gap Master is compatible with **Bona lacquers**, making it an excellent addition to a complete Bona wood floor finishing system.

This compatibility is particularly useful when renovating a wooden floor. Once suitable gaps and damaged areas have been filled and the floor has been properly prepared, a compatible lacquer can be applied as part of the finishing process.

Using products designed to work together can help simplify flooring projects and make it easier to achieve a consistent professional finish.

## Suitable for Floor Renovation Projects

Bona Gap Master is especially useful when bringing older wooden floors back into good condition. Over time, timber flooring can develop gaps, cracks and small areas of damage due to normal use, movement and changes in the surrounding environment.

Rather than replacing otherwise serviceable floorboards, suitable gaps and minor damage can often be repaired as part of a wider renovation process.

The filler can be used during preparation before sanding and finishing, helping create a cleaner surface for the subsequent stages of the project.

For professional floor sanders and contractors, this makes Bona Gap Master a practical product to keep available when working on restoration and refurbishment projects.

## Helps Create a Cleaner Finished Floor

A beautifully sanded wooden floor can still look untidy if large or obvious gaps remain between the boards. Gap filling helps address these imperfections and can make the finished floor appear more complete.

Bona Gap Master can be applied to appropriate gaps and cracks before the final finishing stages. Once the repair has been completed and the floor is properly prepared, the filled areas can become much less noticeable.

The result is a cleaner-looking wooden floor with a more consistent overall appearance.

## Easy to Match to Different Timber Styles

Every wooden floor is different. Oak flooring has a different appearance from beech, while darker woods such as wenge or teak can require a completely different filler shade.

The broad colour range of Bona Gap Master helps solve this problem. Instead of using a single universal colour, you can select a shade that is closer to the timber you are working with.

For floors with distinctive colouring, the available darker, lighter and more natural shades provide additional flexibility. When selecting a colour, consider the existing floor finish as well as the bare timber, as the appearance can change after sanding, staining or lacquering.

## A Practical Choice for Professionals

Bona Gap Master is designed with professional wood flooring applications in mind. Its flexible formulation, colour selection and compatibility with Bona lacquers make it a useful product for flooring contractors, restoration specialists and experienced DIY users.

It can be used as part of a broader floor preparation and finishing system, helping address gaps and minor imperfections before the final finish is applied.

Because it remains permanently elastic, it is particularly suited to situations where a degree of movement is expected from the timber flooring.

## How to Get the Best Results

For the best results, the floor should be clean, dry and properly prepared before applying the filler. Remove loose dirt, dust and other contaminants from the area being repaired.

Apply Bona Gap Master carefully to the suitable gap or crack, ensuring that the product is worked into the area effectively. Remove excess material as appropriate and allow it to dry according to the manufacturer's instructions before continuing with further floor preparation or finishing.

Always check that the product is suitable for the particular gap, crack or repair before application. Larger structural problems or significantly damaged boards may require a different repair solution.

## Why Choose Bona Gap Master?

Bona Gap Master combines **flexibility, easy application, colour choice and compatibility with Bona floor lacquers** in one practical product. Its permanently elastic formulation makes it particularly well suited to wooden floors, where natural movement can place stress on rigid fillers.

The solvent-free, odourless formulation is convenient for interior use, while the selection of wood-inspired colours helps create a more natural-looking repair.

Whether you are renovating an old timber floor, repairing gaps between boards or preparing a wooden floor for lacquering, Bona Gap Master provides a dependable way to improve the appearance of suitable gaps and cracks.

## Give Your Wooden Floor a Professional Finish

Small details can make a big difference to the finished appearance of a wooden floor. Visible gaps and cracks can distract from the natural beauty of the timber, while a carefully completed repair can help create a cleaner, more polished result.

With its permanently flexible formulation and wide choice of colours, **Bona Gap Master** is an excellent choice for sealing suitable gaps and repairing minor damage in wood floors. Choose the colour that best matches your flooring and create a neat, professional-looking finish that complements the natural character of your timber floor.