It will make the poly chip and peel.
Chalk paint over marble fireplace.
Annie shows you how to paint a marble surface using chalk paint.
She used french linen chalk paint on the floor tiles and then ran a wash of pure white and water 1 part each over the dried french linen and immediately wiped off the excess.
As marble tends to be shiny annie recommends starting with a thin coat of chalk paint.
So we went neutral.
Apply a soft wax over the painted marble if you wish.
Leave to dry for a couple of hours.
Kristin young totally transformed her fireplace surround using old white chalk paint by annie sloan.
In hot weather wax gets sticky and tacky.
Apply the second coat of chalk paint again relatively thinly.
I used the same wash on the brick fireplace.
Allow six weeks or longer.
I would suggest using a water based poly on chalk paint if it is going to be near heat.
I would assume the same thing might happen on a fireplace surround or mantle.
Like most water based paints chalk paint takes weeks to cure.
Mary did a great job.
This budget friendly 25 fireplace update can be done in less than a weekend.
Poly will work fine on chalk paint but never put poly over chalk paint that has already been waxed.
Here annie has chosen paris grey.
Paint the marble with your chosen chalk paint colour using a chalk paint brush.
The first coat is applied quite thinly with brush strokes in every direction.