Mcmullen builders

Peace of mind for your property and loved ones.

Whether custom or budget, we have a security door that will suit your home and add a layer of protection for you and your loved ones.

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trusted supplier
Quality #1

Whyalla Security Doors

Maximum style with added safety

You don't have to sacrifice aesthetics for protection. Our security doors are all made in-house,can be customised and come in a variety of styles, colours and finishes. They can be fitted with one-way DVA mesh, standard diamond grills or cast panel doors by Colonial Casting.

Security Doors in Whyalla, SA

Custom fits

As we are the manufacturer, we have the freedom to customise your security doors in any way you like, including:

Front doors
Laundry doors
Carport access
Rear and patio doors

We can cater for all access points with a quality security solution and also offer half panel doors.

No Idea of Costs? - Ask us for help

Why our customers choose us

Custom door components

Each custom door we manufacture has two main components.
1. Mesh of your choice in Flywire, DVA mesh (one-way vision) and Invisi-guard stainless steel
2. Grill of your choice in Diamond, Decorative, Cast Panel (Colonial Castings)

Added value to your property

Security doors not only complement your home’s design but also add financial benefits. They immediately add value to your property, especially in areas where break-ins are common.

Pet access

We can add any size of pet door you require, and match it to the style of your door blending it into your preferred design. Your pet will have the freedom to come and go as it pleases,meaning less disturbance to you, with peace of mind knowing your home is still secure.

Manufactured and installed by us

Our ducted systems are specially designed for installation in the ceiling, making them ideal for large residences or offices. Enjoy a hidden heating and cooling unit with visible grilles only.


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Our Customers

“Everything went smoothly through the entire process. Well done team.”

John Starsy

“Everything went smoothly through the entire process. Well done team.”

John Starsy

“Everything went smoothly through the entire process. Well done team.”

John Starsy

We offer a free measure and quote for any security door on your property.

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Why Normco for security doors?

All doors made in house

We manufacture all security doors in the house, ensuring a consistent quality and finish. All work has our quality guarantee, and we can offer all maintenance and repairs you may need in the future.

Normco are a trade partnership

We are part of a trade network that employs builders, carpenters, electricians, cabinet makers, joiners and more. If you need any remodelling or alterations to fit your security door, we have you covered.

Residential or commercial

We have years of experience in both commercial and residential trade. If you require security doors for your home, business or any other type of property, we can provide a solution to meet your needs..

ISO 9001:2015
AS/NZS 4801:2001
ISO 45001:2018
ISO 14001:2015.

Get in touch with Normco today.

Send us an email and one of our expert staff will contact you, or pick up the phone for a chat.

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