According to the terms of LP’s application instructions, all exposed edges of LP® SmartSide® siding and trim must be primed and painted with approved paint to protect the siding substrate. The back side is better left unpainted.

Does LP SmartSide come pre painted?

In contrast, LP SmartSide siding and trim comes pre-primed and holds paint like wood.

Do you have to paint composite siding?

One of the benefits of Everlast composite siding is the fact that it is almost entirely maintenance-free. It is pest repellent, moisture repellent, and never requires painting. … Fiber cement siding is repellent to both pests and moisture, but it requires painting every ten to fifteen years.