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Maxi-Ultra Expandable Security Gates
The Maxidor Ultra Trellis Security Gates and/or Security Doors with its double Slamlock™, strong connecting components and rugged construction provide maximum security and peace of mind. Unlike many Security Gates, Maxidor’s expandable Trellis Security Gates / Security Doors are functionally built. Making sure that you can act quickly in an emergency situation by providing a barrier between you and potential threats.

*Standard color options: Black, Brown, White, Charcoal and Oyster White. P.O.A. (Price Subject To Measurements), Contact us for a custom Quote.

Why Choose The Maxi-Ultra?

The Maxidor Ultra range of security gates stands out as one of our most robust collections. This security gate delivers a powerful punch, offering an extensive selection of upgraded security components that have been meticulously developed over 40 years  to provide you with the ultimate security barrier solution.

Designed specifically for the South African market, our Maxi-Ultra expandable security gates feature a dual Slamlock™ mechanism. This innovative feature enables you to respond swiftly in emergency situations. By simply slamming the gate shut, your property is instantly safeguarded by locks that can individually withstand a pulling force of up to 2.6 Tonnes! As an added layer of protection, the locks are equipped with a unique lock channel that effectively thwarts brute force attacks from prying tools.

The Design

Maxidor’s Maxi-Ultra security gates feature high-grade Nylon components strategically placed between metal-on-metal parts to prevent corrosion, protect the paintwork, and enhance product durability.

The expandable security gates are equipped with custom engineered Strong Flights, boasting extra thick steel bases for added protection and security.

With a custom Double Upright design, these gates provide a solid 13.6mm steel barrier against potential threats, reinforced by square tubing for unparalleled support.

Additionally, the Maxi-Ultra gates come with top and bottom aluminium tracks to prevent breaches, along with an anti-trip feature for added safety measures.

The Guarantee

The Maxi-Ultra comes with a 5-year product warranty, along with a 10-Year Buy-Back Guarantee to protect your investment. In the event of your property being breached through our gate , we will repair, replace or refund  the product. Additionally, this range is backed by a 3-year corrosion-resistant warranty.

The Finish

The Maxi-Ultra is coated with a T.G.I.C Grade of powder coating, which guarantees that your product will maintain its original colour and won’t fade or yellow over time. It comes in various standard colours including Black, Bronze , White, and Charcoal, and we also offer the option for fully customize-able colours upon request.









    Trellis Retractable Security Gates Features
    Expandable Security Gates
    Polyester Powder Coated Retractable Security Gates
    Trellis Security Doors: Coating Technique
    Unique Fixed Trellis Doors
    Anti Tamper Screws
    Door Security Bar: STAINLESS STEEL TUBULAR REVETS
    Security Door: Modular Custom Design
    Sliding From Door Security Gates Specifications
    Maxi-Ultra Design Material
    Front Door Gates Lock Mechanism Options
    Sliding Security Gate Colour Options
    Security Front Door Gate Design and Style
    Regional Availability
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