The drying time for paint varies depending on factors such as the type of paint, room temperature, humidity, and ventilation. Generally, water-based (latex) paints dry faster than oil-based paints. Water-based paints usually become touch-dry within 1-2 hours and can be recoated after 4 hours. Oil-based paints may take 6-8 hours to become touch-dry and typically require at least 24 hours before recoating. However, following the manufacturer's instructions on drying times for the specific paint you're using is essential.
While it's possible to paint over wallpaper, it's not always recommended. If the wallpaper is textured, peeling, or damaged, it's best to remove it before painting. If the wallpaper is in good condition, you can paint over it by first applying a high-quality primer to create a smooth, even surface to the paint to adhere to. Remember that painting over a wallpaper may make it more challenging to remove later on, and any seams or imperfections may still be visible through the paint.
The number of coats required depends on the color and type of paint, the wall's existing color, and the desired finish. Generally, two coats of paint are recommended for most projects to achieve an even and vibrant color. However, you may need to apply additional coats when painting over dark colours with a lighter shade or using a paint with low coverage. Always allow the recommended drying time between coats and follow the manufacturer's instructions for the paint you're using.
Cleaning your paintbrushes and rollers will ensure their longevity and maintain the quality of your paint job. For water-based (latex) paints, clean brushes and rollers using warm, soapy water, gently working the soap through the bristles, or roller nap. Rinse thoroughly until the water runs clear, then shake off excess water and allow them to air dry. For oil-based paints, use a paint solvent or mineral spirits to clean brushes and rollers, following the manufacturer's instructions for proper disposal of the used solvent. Once clean, reshape the brush bristles and hang them to dry. Store brushes and rollers in a cool, dry place when not in use.