I have personally used chalk paint on all three of the surfaces and i m here to say it worked beautifully on each one.
Chalk paint for dining room table.
For the table and chairs begin by sanding any imperfections to provide a smooth even surface.
Brush on thin even coats of chalky finish paint.
It ended up taking me quite a bit longer because i was constantly having to stop and start.
The first time i used polyurethane for top coat and it yellowed.
Needless to say i sanded the whole table down and started again.
I keep researching and i am not sure what to use to avoid that yellowing appearance.
I used two coats which covered it well.
The bottom portion of the table and chairs were painted amy howard one step paint chalk paint in black.
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If you use a lighter color like white or off white it often takes at least three and occasionally four coats for good coverage.
First coat of black chalk paint.
I mostly worked on it during the evening hours whenever i had time and it took me about 3 weeks.
A few unexpected places you can use chalk paint is on kitchen cabinets walls trim floors and upholstery.
Apply the painters tape around the edges if needed use a bristle brush or round brush to apply the chalk paint sand in between the coats to ensure a smooth.
Use it to chalk paint tables and chairs chalk paint plastic outdoor planters or chalk paint a metal headboard.
I see you used the polycrylic.
I painted my dining table using annie sloan pure white chalk paint.
How to chalk paint a table top to last.