An art dealer was able to wipe off 200 years' of varnish within seconds. Philip Mould used a mixture of gel and solvent to clean the painting. The 17th century painting depicts a woman in an elaborate ...

Following is a transcript of the video. Narrator: Oil paint is simple. At its most basic, it's just a mixture of oil and pigment. But depending on the color and quality, a liter of this paint could ...

Q: We have a concrete patio around our pool that is about 30 years old, and I would like to stain it to give it some color and character. The area of the concrete is about 3,000 square feet. Is this ...