Security Units

Expandable Slam-lock Gates

Reliable and Effective Security Doors

All-in-One Doors & Windows offers security units to suit any and all requirements. Our high-quality, custom-made range of trellis doors are sure to beautify your home or office. All our security products retain a 5-year warranty, to ensure your peace of mind. Our trellis products – once installed – speak volumes.


Diamond-Flights in Gates


Window Slider or Fixture

Window Slider or Fixture


Oval flights


Diamond Flights

Trellis Slider Features

Our window trellis sliders come with slam-lock capabilities, made up with 12×12 steel tube bars, steel top track, steel bottom track, steel locks, and steel flights (Different designs available, SEE PICTURES).

Trellis Fixture Features

Our window trellis fixture units come with the same strength and design, made up with 12×12 steel tube bars, U-channel secured on all four sides, into the window reveal. All uprights (12×12 steel tube bars) are pop-riveted at the top and bottom.


Diamond Flights

Standard Colour Range

Non-Standard Colour Range

On request, non-standard colours are available at an extra cost.

16x16mm Steel Tube Burglar Bars built in a steel frame (Horizontal or Vertical)

Horizontal 16×16 Steel Tube Bars

All-in-One Windows & Doors proudly stands behind our security products. You can rest assured in the longevity of the 16×16 steel tube bars with their minimal clutter design. Very little maintenance is also needed, thanks to the simplicity of design and no moving parts. We can also manufacture the 16×16 steel tube bars to suit any opening, Horizontally or Vertically. The product is secured into the reveal with concealed coach screws and punched 2mm thick metal channelling, for neatness and durability.

There’s no need to concern yourself with cleaning, as a quick wipe down will ensure they look presentable at all times. They are also cost-effective, thanks to their very strong design and our affordable pricing. This also makes for a versatile product, which we can install for a wide range of window sizes.

It’s easy to see why All-in-One is your preferred provider!

12x12mm Steel Tube Burglar Bars

Horizontal or Vertical 12×12 Steel Tube Bars

12 x 12 steel tube bars primarily designed for neatness and functionality.

Our bars come in a range of 5 colours:

All colours allow for aesthetic matching across our aluminium product range.

The 12 x 12 steel tube bars are pop riveted on to aluminium window vents only. For more high-end security please see our 16X16 steel tube bars, as well as our trellis fixture and door range.


12X12mm Steel Tube Burglar Bars Charcoal


12X12mm Steel Tube Burglar Bars White Exterior


12X12mm Steel Tube Burglar Bars Exterior


12X12mm Steel Tube Bars on Opening Vents

Your Preferred Trellis Doors Provider

As mentioned, All-in-One is all about providing you with peace of mind through high-quality security doors. You can have a look at some of our offerings on our security gallery, found here.

Have a question or want to make an enquiry? Our experienced and trained staff are ready to assist you! Contact us here.