In a nutshell, the main difference between these two types of surface finish is the oxide layer. Anodized finish has a layer of oxide, whereas mill finish does not have the oxide layer.
With the rollers repaired and lubricated, it’s time to reinstall the screen door. Lift it back into the top track first, aligning the bottom rollers with the lower track. Push the door down until it sits securely in place.
Also, being iron, it will eventually begin to rust. This means owners will need to regularly scrape the fence with a wire brush and repaint it to keep up its appearance and durability. Otherwise, your expensive investment will be rusty and unsightly before you know it.
3. Design specifications

Metal fence posts break down into two categories based on the method used for affixing them to the ground. Platted posts, for example, are the preferred option for protecting pools surrounded by a solid surface such as concrete. These posts have a steel plate welded to their bottom, and it is this plate that is then anchored using four durable bolts.