How Do You Apply A Venetian Plaster Finish Over Existing Painted Drywall?
Venetian plaster is an elegant finishing wall stucco technique. Used since the time of the ancient Egyptians, this plaster wall technique became known as Venetian plaster after being used extensively in 17th century Venice. Plaster artisans combined aged slaked lime, ground marble dust and pigment to create a wall finish that mimicked natural stone and polished marble. Today, Venetian plaster is available pre-mixed and tinted, and is easy to apply over prepared and painted drywall. Remove furniture from the area and cover the floor with a drop cloth. Examine the existing wall paint. It must be either a flat or a satin paint. If the wall has a semi-gloss or gloss paint, dull the paint surface with 220-grit sandpaper wrapped around a sanding block. Sand the wall lightly to remove the gloss. Wipe down the wall with a dampened rag to remove sanding dust. Sand the corners of the steel spatula or trowel with 100-grit sandpaper to round the corners slightly. This prevents gouges or lines in t
