EXPANDABLE SECURITY DOORS & WINDOWS
EXPANDABLE SECURITY DOORS & WINDOWS
Affordable slam-lock security doors
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Expandable security doors & windows
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Double uprights (square tubing)
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Equal spacing between scissors
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All four sides secured
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Powder-coated steel components
Email us or Call us on 086 110 2340
RECENT INSTALLATIONS
QUALITY GUARANTEED – PRODUCT & INSTALLATION WITH 5 YEAR WARRANTEE PROVIDED!
Some happy customers!
Contact an agent in your area:
• Gauteng
• Free State
• Mpumalanga
• North West
• Northern Cape
Expandable Security Doors/Windows
Our expandable security door slides in a steel top and bottom track. There are no plastic, acrylic or nylon components at the bottom or top of our sliding security doors.
All components used in the manufacturing of expandable security doors/security gates are SABS approved. Expandable security doors are available in various colours. Security doors and windows can be custom-made to fit all your openings. We are amongst the leaders in the manufacturing and installation of high quality security doors and windows.
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5 Standard colours to choose from:
White
Aluminium (Natural Anodized)
Bronze
Charcoal
Black
5 Standard colours to choose from:
White
Aluminium (Natural Anodized)
Bronze
Charcoal
Black
Security Door Security Tips
No matter how many safety doors and security products you have, it is important to always be aware of your surroundings. Here are a few essential tips for keeping safe in your home:
- Alert the police immediately if somebody enters your home.
- Never open your door to strangers.
- Be very vigilant.
- Never leave any tools lying around that can be used to break into your home.
- Test your alarm regularly.
Secure Living Made Simple
When it comes to securing your home or business, you want something that works without you having to think about it. That’s exactly what the double lock slam locks from Incredible Door are designed for. Close the door and it’s locked—no keys left in the door, no second guessing whether you remembered to lock up. It’s simple, and that’s what makes it effective. The slam lock gives you that first level of security when needed in dangerous situations. When you lock up later, you can lock the second lock with a key.
For busy households, this makes a real difference. People are coming and going all the time—kids rushing out, deliveries arriving, doors opening and closing throughout the day. With a slam lock in place, you don’t have to chase after everyone or double-check the handle every few minutes. It’s one less thing to worry about.
The same goes for business owners. If you run a shop, office, or warehouse, you already have enough on your plate. Staff move in and out, customers come and go, and doors are used constantly. A slam lock keeps things secure in the background. As soon as the door shuts, it’s locked. No delays, no relying on someone to remember. It’s a practical solution that fits into a fast-moving environment.
Slam-Lock Security Doors Built for Everyday Use
What stands out about Incredible Door is the build quality (no plastic material used). These aren’t flimsy doors and locks that wear out after a few months. They’re made to handle daily use, whether it’s a front door at home or a high-traffic entrance at work. The mechanism looks and feels solid, and once it’s installed properly, it does its job quietly and consistently for many years to come.
There’s also a level of peace of mind that comes with knowing your door is always secured. Late at night, when you’re closing up or heading to bed, you don’t have that nagging thought—“Did I lock the door?” You already know the answer. It’s locked the moment it closed. But you must remember to also lock the second safety lock.
For properties where security is a top priority, slam lock security doors add an extra layer of confidence. Whether it’s protecting your family at home or your assets at work, the goal is the same: keep things secure without making life harder. That balance is where our expandable security doors really shine.
Incredible Door offers an expandable security door solution that fits into real life. It’s not about fancy features or overcomplicating things. It’s about reliability. A door that locks when it should, every time. And in the end, that’s what most people are looking for—something they can trust without having to think twice.
Incredible Doors have agents in your area. Contact our call centre for a quote today.