By RenoWorks Hampshire · Published 28/10/2026
Establish the condition of the woodwork
Inspect skirting, frames and doors for grease, peeling layers, bare timber and resin stains. Check the coating history before abrasion: older paint can contain hazardous pigments, and uncertainty needs competent advice rather than dry sanding. Rot, persistent damp or soft swollen material is a repair issue before it is a paint issue. Identify whether apparent timber is actually MDF, laminate or another factory-finished substrate.
Choose a complete paint system
Water-based satin describes a broad family of finishes, not one universal preparation method. Read the exact product's substrate, primer and previous-coating guidance. Self-undercoating does not necessarily mean suitable straight over every glossy or contaminated surface. Ask the manufacturer about uncertain compatibility and test a discreet prepared area. Keep the primer and topcoat instructions together so the preparation plan uses both correctly.
Clean before creating a key
Remove hand grease, polish residue and household grime with an appropriate cleaner, following its rinsing and drying instructions. Pay attention to the top edge of skirting and the area around handles. On an assessed safe coating, use the recommended abrasion to obtain a sound, suitably keyed surface. Avoid aggressive sanding that rounds mouldings or cuts through thin decorative veneers. Remove dust without leaving an incompatible cleaning film.
Deal with local defects deliberately
Use a compatible filler for small dents and prepare it as directed. Bare timber, knots, stains and exposed MDF edges may need specific treatments rather than a single general primer. Do not fill moving door clearances or paint over functional seals. Let each repair and primer reach its stated readiness before coating. Check the prepared surface in side light, especially where glossy old paint can conceal unevenness.
Apply with a manageable working rhythm
Use tools recommended for the particular satin finish and apply controlled coats. Work to natural breaks, keep edges consistent and avoid repeated brushing once the film starts setting. Follow the product's application conditions, recoating interval and guidance for closing doors or windows. Plan access so drying edges are not touched. After curing, use the specified cleaning method rather than immediately testing the finish with strong cleaners.
Related questions
Can water-based satin cover old solvent-based gloss?
Often a compatible system is available, but cleaning, keying and a specified adhesion primer may be required. Follow the new product's instructions for that existing coating and trial an uncertain surface.
Why are brush marks appearing?
Possible causes include the tool, coat thickness, preparation or overworking paint as it sets. Let the coat dry, inspect it and adjust the method according to the manufacturer rather than adding water without permission.
Further reading
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