Awasome Backplate For Vinyl Siding Light Fixture References. Web one way to improve your home's appearance at night is to install exterior lighting. These blocks come in many different styles, sizes, and shapes to accommodate your specific light fixture’s base.

Before you start attaching outdoor lights to vinyl siding, inspect the area first. They fairly easy to replace, pop the trim off, get the base out and install new flush mounted block base same size and snap the trim back in place. Outline the block on the siding and cut out the outline with a utility knife.