Decide if you want a "knee wall" (a solid half-wall at the bottom) for more privacy or a full floor-to-ceiling screen for an open view. Phase 2: Framing the Space

Most U.S. cities require a permit for enclosing a porch, especially if you're adding permanent walls or electrical work.

Install vertical 2x4s, usually spaced about 16 inches apart for stability.

This is where the porch truly takes shape. Many DIYers use the system, which uses tracks and vinyl caps to hold the mesh in place. How I Built A DIY Screened In Patio Full Exterior Build

The skeleton of your porch is typically built with pressure-treated 2x4s to withstand the elements.