Bona Mix & Fill Plus Water Based Wood Floor Filler 5L

Bona Mix & Fill Plus – Waterborne Wood Floor Filler Bona Mix & Fill Plus is a high-quality, waterborne joint filler designed for filling gaps and joints in wooden floors up to 5 mm wide. Formulated with a fast-drying, low-odour composition, it mixes easily with fine sanding dust from the same floor to create a perfect colour match and natural-looking finish. Suitable for use with all types of wood and compatible with Bona waterborne finishes. Key Features Waterborne filler – low odour and easy to clean Fills gaps up to 5 mm wide Mixes with sanding dust for an exact colour match Fast drying and easy to sand Excellent adhesion to most wood species Compatible with all Bona waterborne primers and lacquers Solvent-free and environmentally friendly Recommended Uses Filling joints, gaps, and nail holes in wooden floors Suitable for both solid and engineered wood flooring Ideal for parquet, plank, and strip flooring before finishing Application Instructions Ensure the surface is sanded and free from dust and dirt. Mix Bona Mix & Fill Plus with fine sanding dust from the same wood species until you achieve a smooth paste. Apply evenly with a stainless steel trowel, pressing the filler firmly into the joints. Allow to dry completely (approx. 30–60 minutes depending on humidity). Sand the entire floor once dry, then apply your chosen Bona primer and lacquer. Technical Data BrandBonaProductMix & Fill PlusTypeWaterborne wood floor joint fillerColourNatural (can be tinted with sanding dust)Gap widthUp to 5 mmDrying time30–60 minutesCoverageUp to 8–10 m²/L depending on floor typePackaging5LCleaningWaterCompatibilityAll Bona waterborne primers and lacquersUseInterior wood floorsVOC contentApprox. 1% (very low)SKUUFSBONAMIXFILLPLUS5L FAQs How wide can the gaps be when using Bona Mix & Fill Plus?It effectively fills gaps up to 5 mm wide between floorboards. Can I use it with any wood type?Yes – it’s suitable for both softwoods and hardwoods, including oak, ash, beech, and maple. Does it shrink after drying?No – it has excellent dimensional stability and minimal shrinkage when properly applied. Is it compatible with Bona lacquers?Yes – it’s fully compatible with Bona’s complete range of waterborne primers and finishes. How soon can I sand after application?Typically after 30–60 minutes, depending on humidity and temperature conditions.