How To Whitewash Old Stone Fireplace. I mixed up some whitewash (plain white flat latex paint mixed with water 50/50) and took a rag and started blotting on the whitewash. I used a 50/50 mixture of tap water and the paint to create more of the “washed” effect so that it didn’t all look like a flat, painted surface.
We started by brushing on the whitewash mixture onto a small stone on the lower side of the fireplace. To make the whitewash solution for a stone fireplace , mix equal parts of the following ingredients in a plastic container to an even consistency: Supplies needed to whitewash a stone fireplace.
Continue painting the fireplace until it is completely covered in a thin coat of the whitewash mixture.
How to whitewash a brick fireplace: While the paint is still wet follow up with your dry rag to blot any excess paint. It is so large it overwhelms. Cover everything around the fireplace.