Expandable GatesIf you`re not familiar with expandable security gates, you’re missing out! In a nutshell these types of security gates have been designed for ease of use, aesthetic value yet with high levels of security in mind. With mechanisms that allow instant locking that negate the need for keys, high grade rollers and tracks that are tamper proof, nylon fitments that prevent wear and tear and the ability to open out of sight. These doors are much sought after by most discerning home owners. In South Africa there are three major suppliers of these types of security gates – granted they can be bought off the shelf and fitted yourself, but you will still notice one of these brand names on them. Each supplier however while offering an expandable security gate with instant locking device, have each designed their own versions. Let’s start with Trellidor.