Horizontal Fences That Are Actually Pool-Safe

For about 20 years, vertical board fencing was the default around pools, largely because pool safety codes require a fence to be difficult to climb, and vertical slats were the obvious way to achieve that.

Horizontal fence designs are now catching on — and done right, they can meet the same pool-safety requirement while offering a completely different look. The key detail is non-climbability over a defined height: a design with roughly 42 inches of non-climbable surface meets a baseline standard, while a taller 6-foot version can offer a full 5 feet of non-climbable height, giving more margin.

One project mixed 7-foot, 6-foot, and 5-foot sections of the same horizontal design across a single yard — not randomly, but strategically, to block specific sightlines from a neighboring property where the sightline issue mattered most. The same horizontal framing approach works in pressure-treated lumber, cedar, or essentially any outdoor wood species.

The takeaway for anyone considering a horizontal fence around a pool: the look is achievable within code, but the non-climbable height calculation has to be built into the design from the start — it’s not something you can retrofit onto a horizontal fence after the fact without changing the spacing.