Pet Door Installation: Glass Door vs Timber Door

July 27, 2026

Choosing the right door material for pet door installation matters more than most pet owners realise. Whether you have a sliding glass panel or a solid timber entry door, the material affects how installation is approached, what products can be used, and how much complexity is involved.


Glass Doors and Pet Door Installation

Glass door installation requires specialist work. The existing panel cannot simply be drilled into on site. Instead, it typically needs to be removed and replaced with a custom-cut toughened panel that already has the aperture built in. Toughened glass is used because it handles the repeated impact of your pet passing through over time.


This process involves more steps than a timber job. Measurements are taken, the glass is manufactured off site, and a qualified technician returns to fit the new panel. The result is a clean, seamless finish that suits modern homes and sliding door set-ups common across Geelong suburbs like Highton, Belmont, and Armstrong Creek.


Glass installations are generally a better long-term fit for owner-occupiers, as the work is structural and less practical for renters who cannot make permanent changes.


What to Know About Glass Door Types

Not all glass is the same. Double-glazed panels, frosted glass, and floor-to-ceiling sliders each present their own considerations. Always confirm the glass type before proceeding, as this affects which pet door products are compatible.


Timber Doors and Pet Door Installation

Timber doors are generally more straightforward to work with. Installation typically involves cutting an aperture directly into the door panel and fitting a pet door unit using a standard frame-and-flap system. Solid timber and hollow-core doors both accept pet doors, though hollow-core doors may require additional framing around the cut to ensure a sturdy, weather-tight result.


For renters or those in strata properties, timber door installation can sometimes be reversed, making it a more flexible option. It is still worth checking your lease or body corporate rules before going ahead.


Geelong's coastal climate means draught sealing matters. A well-fitted pet door with quality magnetic or brush seals helps keep warmth in during winter, regardless of door material.


Solid Timber Versus Hollow Core

Solid timber doors offer a more stable substrate and tend to hold a pet door unit more securely over time. Hollow-core doors can work well for smaller pets, but larger breeds may need a reinforced fitting to prevent movement or flex around the frame.


Which Door Material Is Right for You?

The best choice depends on your home type, your pet's size, and whether you own or rent. Glass suits owners seeking a premium, low-profile result. Timber suits those who need a quicker turnaround or a more flexible installation. Either way, a professional measure-and-quote is the best starting point. You can learn more about options on the dog door supply and installation page and cat door supply and installation page.


Ready to Get a Quote for Your Home?

Geelong Cat & Dog Doors provides professional pet door installation across Geelong, VIC, and the surrounding region. Whether your home has glass or timber doors, the team can help you choose the right product and get it fitted properly. Contact the team today for an obligation-free quote, or find them on Google at Geelong Cat & Dog Doors.