Coetz™ Guides & Knowledge Centre

Expert guides on choosing, measuring and caring for aluminium windows and doors — plus glass, safety and glazing compliance in South Africa. Written by the Coetz™ team to help you order with confidence.

Buying & choosing

Ultimate Guide to Aluminium Windows

Everything you need to know about aluminium windows in South Africa — styles, glass, sizing and buying.

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Aluminium Door Buying Guide

Compare sliding, folding, stacking, hinged and pivot doors, and choose the right one for your space.

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Aluminium vs uPVC Windows

How aluminium and uPVC windows compare on durability, looks, maintenance and cost.

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Measuring & sizing

How to Measure Aluminium Windows

Step-by-step measuring for aluminium windows, with a checklist and the common mistakes to avoid.

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How to Measure Aluminium Doors

Measure for sliding, hinged and folding doors — width, height, threshold and opening direction.

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Glass, safety & compliance

Safety Glass Explained

Laminated vs toughened glass, glass thickness, and where safety glazing is required in South Africa.

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AAAMSA Glass & Glazing Certificate Guide

What the certificate confirms, when it is required, and the SANS standards behind glazing compliance.

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Care & efficiency

Aluminium Maintenance Guide

How to clean and care for aluminium frames, glass, tracks and seals for a lifetime of good looks.

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Window Energy Efficiency

Solar-control and Low-E glass, sealing, orientation and shading for a cooler, more comfortable home.

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Ready to order?

Browse aluminium windows and aluminium doors, explore automatic doors, order glass cut to size, or contact the Coetz™ team for advice.

Compare Your Options

Not sure which option is right for you?

Our Comparison Centre puts the choices side by side — sliding vs folding, aluminium vs timber, toughened vs laminated and more — with honest pros, cons and prices to help you decide with confidence.