How an Iron Gate Is Forged, Welded, and Installed

An iron gate goes from raw bar to a hung gate in five stages: layout, shaping, welding, finishing, and installation. Each stage leaves a mark on how long the gate lasts, and the order matters, because a skipped step shows up later as rust or sag. For a gate in Cedar Park, TX, the short checklist at iron gates cedar park highlandahs covers this question.

Layout and drawing

The fabricator draws the gate to the measured opening, then marks every bar and scroll on a flat table. Parts are laid out full size so the curves can be checked against the real thing before any metal is cut.

Forging versus fabricating

Forging heats iron until it glows, then hammers it into shape. Fabricating cuts and bends cold or warm bar and tube, then joins the pieces by welding. Many gates use both, with forged leaves, twists, or collars on a fabricated frame.

Forged parts have a hand made look and no seam. Fabricated parts are more consistent and usually quicker. Neither is better by default, and the quality comes down to the craft in the joints.

Welding the frame

The frame is clamped square on a jig and tacked first, then fully welded. A weld that does not wrap the joint leaves a gap where moisture creeps in. Rust that starts inside a joint is hard to spot and spreads from behind the paint.

Hand finishing

After welding, the joints are ground smooth and the scrolls are cleaned by hand. Sharp edges are rounded slightly, because paint thins on a sharp edge and the metal shows through first. This step takes time, and it is the one most often rushed.

Priming and coating

Bare iron starts to rust within hours in humid air, so the gate is cleaned and primed quickly. A rust inhibiting primer goes on first, followed by two or more topcoats. Texas sun is hard on dark finishes, so the topcoat should be rated for heat and ultraviolet light.

Setting the posts

Posts go in before the gate. In Cedar Park the limestone soil is often shallow over rock, and clay pockets hold water. The hole is dug deep enough to reach firm ground, a base of gravel helps drainage, and the concrete is crowned so water runs away from the post.

Posts should cure fully before the gate is hung. Hanging a heavy leaf on green concrete is how a gate ends up leaning in the first month.

Hanging and adjusting

1. Hang each leaf on its hinges with shims for height.
2. Check that the leaf swings freely through its full arc.
3. Align the latch and strike, then lock the hardware.
4. Set the gap at the bottom to clear the driveway slope.
5. Install the opener and test its safety sensors.

The final walk-through

A good installer opens and closes the gate several times, listens for scraping, and watches the latch meet the strike. Small adjustments at this point take minutes, and they save a return trip later.