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Painting Furniture With Chalk and Mineral Paint
Painting Furniture With Chalk and Mineral Paint
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Painting Furniture With Chalk and Mineral Paint
Why it suits furniture, preparation, sealing and the lead paint warning
Chalk and mineral paints have made furniture painting accessible, and the preparation they let you skip is smaller than the marketing suggests.
Why these paints suit furniture
They are thick, matte and adhere to most surfaces with minimal preparation, which is why they became popular. They also dry quickly and can be distressed, waxed or layered easily.
Preparation still matters
Clean thoroughly to remove grease, polish and old furniture wax, which repels paint. Sugar soap or a degreaser, then a rinse and a full dry.
On glossy, laminated or previously waxed surfaces, a light scuff sand and a primer prevents the finish lifting later. Anything with tannins, such as oak or knotty pine, needs a stain-blocking primer or brown patches bleed through.
Old paint may contain lead
Furniture and woodwork painted before around 1980 can carry lead paint. Dry sanding it releases lead dust, which is seriously harmful, particularly to children and anyone pregnant.
Test with an inexpensive lead test kit before sanding anything old. If lead is present, do not dry sand — use a chemical stripper or seek professional advice, and keep children and pets away entirely.
Application
Thin coats with a good brush, working in one direction, letting each dry fully. Two thin coats beat one thick one, which cracks as it dries.
Sealing
Chalk paint is porous and needs sealing. Wax gives a soft finish and needs reapplying and is not suitable for surfaces that get wet. A clear varnish or lacquer is far more durable for table tops and kitchen use.
Wax cannot be varnished over later, so decide before you start.
Brushes and finish
A proper synthetic brush for water-based paint, kept clean, gives a smoother finish than a cheap one that sheds. Work in one direction and resist going back over paint that has started to set.
For a spray-smooth look on flat panels, a small foam roller laid off with a brush works well.
Ventilation and disposal
Work in a ventilated space, keep lids on between coats and never pour paint or washings down a drain. Let leftover paint dry out or take it to a household waste site.
Preparing the piece
Remove handles and hinges rather than painting around them, fill damage and sand flush, and repair loose joints before any paint goes on. A wobbly chest painted beautifully is still wobbly.
Label screws and fittings into a bag as you remove them, since they never match afterwards.
Curing
Touch dry is not cured. Most finishes take days to weeks to harden fully, so treat painted furniture gently at first.
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