The Short Answer for a Clydesdale
A Clydesdale is contained by a fence about five feet high that it can clearly see and cannot lean through. Broad boards or flexible rail on heavy, well-braced posts suit this draft breed best, with a mesh option only where the weave is tight, taut and finished with a visible top rail. The top rail should meet the Clydesdale at chest height so the horse reads the boundary early, and every gate must be wide, strong and hung to carry weight without sagging into a gap.
Why a Draft Horse Needs a Different Fence
A Clydesdale does not test a fence the way a light riding horse does. Sheer body weight turns casual leaning into structural pressure, a broad chest pushes where a smaller horse would bounce off, and a startled draft can hit a line with force that snaps weak boards. Feathered lower legs add a second concern: loose strands, sagging wire and broken mesh can wrap around those long hairs and hooves during a scramble. A Clydesdale fence therefore needs visibility to prevent the collision, strength to survive the contact that still happens, and clean lower lines with nothing dangling to entangle a foot.
Rails, Mesh and Post Strength for Clydesdales
Build a Clydesdale fence from the posts outward. Set heavy posts deep, brace corners and gate posts as if they will carry a leaning horse, because one day they will. Broad boards give the clearest sight line and spread pressure across the chest, while quality flexible rail absorbs an impact and rebounds instead of splintering. If mesh is used for a paddock with foals, choose a tight no-climb weave, keep it drum-taut, and cap it with a board so the Clydesdale sees the top instantly. Space lower rails to stop a foal rolling under, and keep the lowest board high enough that a big feathered hoof passes safely during normal pawing at the ground nearby.
Gates and Corners on a Draft Property
Gates fail Clydesdales more often than straight runs do. Hang a gate wide enough for a broad horse led in hand with room to spare, on posts that will not creep under its weight, with a latch a handler can work one-handed while holding a lead rope. Corners need diagonal bracing that resists the pull of long tensioned runs and the rub of a horse using the corner post as a scratching tree. Walk a Clydesdale fence after storms looking for the draft-specific signs: a rail bowed at chest height, a post tilted by rubbing, and trampled, widened mud at the gate where huge hooves have worked the ground down into a step under the bottom rail.
Keeping the Clydesdale Boundary Reliable
Reliability for a Clydesdale comes from small repairs made early. Replace a cracked board before a lean turns it into a splintered opening, re-tension mesh before a belly forms at leg height, and fill gate dips before a foal tests the widened gap. If this horse escapes, read the damage honestly: a pushed-through rail means strength failed, while an untouched fence with an open gate means the routine failed, and the fixes are entirely different. Keep the post depths, rail layout and repair history for each paddock in KinsLe through Family Sharing, so anyone turning out the Clydesdale knows which gate sags and which corner post was reset.