Install vertical 2x4s, usually spaced about 16 inches apart for stability.
Secure a bottom track to your concrete (using concrete anchors like "red heads") and a top track to your existing roof or house structure. screened porch
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 Install vertical 2x4s, usually spaced about 16 inches