Pet Door Guides & Advice

Free guides on choosing, measuring and installing Catwalk® cat doors and Dogwalk® dog doors. Written by the Pet-Tek International team, designed in New Zealand since 1999.

28 articles
US Buyer’s Guide

Best Cat Door for Sliding Glass Doors (US Guide)

The permanent in-glass alternative to track insert panels — how US glass shops fit it in tempered sliders, with models in US sizes.

· Pet-Tek Team
Read More →
Facts vs Myths

Do Cat Flaps Make Your House Cold?

Five heat-loss myths tested — and the warm-home checklist: dual glaze models, seals, positioning and the 4-way lock.

· Pet-Tek Team
Read More →
Size Guide

What Size Pet Door Does My Dog Need? Breed Guide

The two measurements that matter, a breed-by-breed flap size chart, and the sizing rules that prevent buying the wrong door.

· Pet-Tek Team
Read More →
Installation Guide

Pet Doors in Toughened & Double Glazed Glass

Why toughened glass can’t be cut, how to identify your glass type, and how the replacement panel process really works.

· Pet-Tek Team
Read More →
Renter’s Guide

Cat Doors for Renters — Fully Reversible Installation

The replacement panel method that returns the property to exactly its original state — plus a ready-to-send landlord request checklist.

· Pet-Tek Team
Read More →
Installation Guide

Dog Doors for Sliding Glass Doors & Ranch Sliders

The permanent solution for toughened slider glass — why the replacement panel beats track inserts, and which models fit.

· Pet-Tek Team
Read More →
Buyer’s Guide

Best Dog Doors NZ — 2026 Buyer’s Guide

Every Dogwalk® model compared: glass vs wood fitting, flap sizes by breed, and ranch slider and double glazing options.

· Pet-Tek Team
Read More →
Installation Guide

How to Fit a Cat Door in Glass

The complete glazier & homeowner guide: the round core-drill process, cut-out sizes for every model, and the toughened glass path.

· Pet-Tek Team
Read More →
Installation Guide

Pet Doors for French & Bifold Doors

How to fit a cat or dog door into French, bifold or patio glass — the round cut-out, measuring your panel, and glazier installation.

· Pet-Tek Team
Read More →
Buyer’s Guide

Cat Door vs Dog Door — Which Do You Need?

Key differences between cat and dog doors — size, flap material, locking and more explained clearly.

· Pet-Tek Team
Read More →
Training

How to Train Your Dog to Use a Dog Door — 5 Proven Steps

Step-by-step training guide with two video walkthroughs from Pet-Tek.

· Pet-Tek Team
Read More →
Buyer’s Guide

Best Glass Fitting Cat & Dog Doors — The Complete Guide

How glass fitting doors work, round cut-out benefits, and which model suits your glass type and thickness.

· Pet-Tek Team
Read More →
Installation

Cat Flaps in Double Glazed Glass — Everything You Need to Know

Can you fit a cat flap in double glazing? Yes — here’s exactly how it works and what to tell your glazier.

· Pet-Tek Team
Read More →
Cat Door Advice

How to Stop Other Cats Coming Through Your Cat Door

The permanent, battery-free solution to unwanted cats and wildlife entering through your cat flap.

· Pet-Tek Team
Read More →
Buyer’s Guide

Cat Flaps Explained — How to Choose the Right Cat Flap for Your Home

Types, sizes, materials, glass vs wood fitting — everything you need to know before buying.

· Pet-Tek Team
Read More →
Size Guide

How to Measure Your Pet for a Pet Door — Get It Right First Time

Height, width and weight — the exact measurements you need before choosing a cat door or dog door.

· Pet-Tek Team
Read More →
Buyer’s Guide

Best Pet Doors in NZ & Australia 2026 — The Complete Buyer’s Guide

Glass fitting, wood fitting and magnetic models compared — NZ-designed since 1999.

· Pet-Tek Team
Read More →
Home & Energy

Keep Your Home Warm with a Pet Door — How Pet-Tek Engineers Out the Draft

Brush seals, polycarbonate flaps and precision moulding — how Pet-Tek keeps your home warm.

· Pet-Tek Team
Read More →
Installation

Cat Door Installation Guide — Glass & Wood Fitting Step by Step

What your glazier needs to know and what you can do yourself — full step-by-step guide.

· Pet-Tek Team
Read More →
Product Guide

Multi-Magnetic Cat Doors Explained — Battery-Free Selective Entry

Only your cat gets in — how the mechanical collar key system works and which models are available.

· Pet-Tek Team
Read More →
Trade Guide

Wholesale Pet Doors — Trade Pricing, MOQs & Trade Accounts

Trade pricing, minimum orders and how to open a wholesale account — buying Catwalk® and Dogwalk® doors direct from the maker.

· Pet-Tek Team
Read More →
Trade Guide

How to Become a Pet Door Distributor — What Trade Buyers Need to Know

Pet shops, garden centres, glazing companies and hardware stores — how wholesale supply works in 20+ countries.

· Pet-Tek Team
Read More →
Trade Guide

Importing Pet Doors Internationally — Freight, Lead Times & MOQs

Air vs sea freight, lead times, MOQs and documentation for distributors importing pet doors from New Zealand.

· Pet-Tek Team
Read More →
Trade Guide

Merchandising Pet Doors In-Store — Which SKUs to Lead With

Which SKUs to lead with, how to lay out the bay by fitting type, point-of-sale, cross-sell and seasonal placement.

· Pet-Tek Team
Read More →
Trade Guide

Pet Doors for Builders, Architects & Property Developers

Specify pet access at scale — round cut-out pre-cut into double glazing, wood-fitting for solid doors, and volume supply.

· Pet-Tek Team
Read More →
Trade Guide

Pet Doors for Vet Clinics, Catteries, Kennels & Shelters

Durable, easy-clean doors with selective entry and lifetime parts for high-traffic commercial and institutional use.

· Pet-Tek Team
Read More →
Trade Guide

Why Stock New Zealand-Designed Pet Doors

The supplier case: NZ-designed since 1999, engineered round cut-out, a 3-year warranty and lifetime parts availability.

· Pet-Tek Team
Read More →
Trade Guide

Why Glaziers Prefer Round Cut-Out Pet Doors

Faster installation, less breakage risk, fewer callbacks — why the glazing industry chooses round over rectangular.

· Pet-Tek Team
Read More →
No articles in this category yet —

Frequently Asked Questions

The right door depends on your pet’s size and your installation surface. Start with our free interactive door finder — enter your pet’s weight and it recommends the correct model in 60 seconds.
Yes — the entire Catwalk® glass fitting cat door range is designed for double glazing, ranch sliders and patio doors. A glazier cuts a round hole and the door slots in cleanly. Glass thickness 3mm to 32mm is supported.
Measure your pet’s shoulder height and widest body width while standing, then add 25mm to each measurement. Full instructions with diagrams are in our pet door measuring guide.
The permanent, battery-free solution is the Catwalk® multi-magnetic cat door. A small magnet on your cat’s collar unlocks the flap — no other cat can open it.
Not with a Pet-Tek door. Every Catwalk® and Dogwalk® model features a full-perimeter brush weather seal and precision-moulded polycarbonate flap that sits flush and draft-free when closed.
A glass fitting cat door installs directly into a glass panel. A wood fitting cat door installs through a timber, PVC or composite door panel.
Yes — ranch sliders are one of the most common installations for Pet-Tek glass fitting cat doors in New Zealand and Australia.
Only for glass fitting installations. Wood fitting pet doors are DIY-friendly and most homeowners can install them in under an hour with basic tools.
Pet-Tek cat doors are built for long-term use. The UV-stabilised polycarbonate flap will not yellow, warp or crack. All models come with a 3-year manufacturer’s warranty.
Use our interactive door finder — enter your pet’s weight and door type and get an instant model recommendation.

Not sure which pet door is right for you?

Use our free interactive size guide — enter your pet’s weight and find the right Catwalk® or Dogwalk® model in 60 seconds.

Find My Pet Door →
Ships to 20+ countries | +64 9 570 2001 | [email protected] | Designed in NZ since 1999
Contact Us
Menu
Home About Products → Glass Fitting Cat Doors → Glass Fitting Dog Doors → Wood Fitting Cat Doors → Wood Fitting Dog Doors → Multi Magnetic Cat Doors → Spares & Accessories Find My Door Become a Distributor Blog Contact Us Language / Region English (AU) English (UK) English (US) English (ZA) English (IE) Français (FR) Deutsch (DE) Italiano (IT) Polski (PL) Filipino (PH) العربية (AE) Español (MX) Português (BR) Español (AR)
Contact
WhatsApp
Call Us

Get In Touch

We reply within 1 business day