SturdiMount preflashed fiber-cement mounting blocks provide a flat, leakproof base for light fixtures, receptacles, dryer vents, hose bins, gas lines, and other penetrations, says the maker. The lineup includes a 6-by-8-1/2-inch receptacle mount, an 8-1/2-by-11-inch universal mount for lights and large pipes, and a 6-by-8-1/2-inch split mount for doorbells and small pipes. They come in 12 colors and cost $12 to $20. Mid-America Siding Components, 800/521-8486, sturdibuild.com.
