Specialized Sliding Patio Door Inserts

custom_window_graphic 1
windows_options_1920w

WHAT IS MAGNETITE

Custom Window Inserts for Any Space

Magnetite® patio door inserts are precision-built interior inserts designed to fit existing sliding patio doors, windows, and door glass openings. Custom-measured to your specifications, these patio door window inserts are ideal for residential, commercial, historical, and condominium applications, especially where full replacement is not practical. Designed as high-performance sliding window inserts and door solutions, Magnetite inserts help reduce outside noise, improve insulation, support condensation reduction, and block UV. 

Our patio door inserts are offered in acrylic, tempered glass, or laminated glass, with 3mm or 6mm thickness options and two design styles, ProCore and SlimLine. This flexibility allows us to match performance, appearance, and budget to your specific needs.

Contact us to find the best patio door insert solution for your home, or scroll down to learn more.

Material options overview

Material comparison chart

Find the Best Window Insert
Material for Your Needs

We offer multiple insert materials to suit different sound reduction needs, durability preferences, and budgets.

BenefitAcrylicTempered GlassLaminated Glass
Sound Reduction★★☆★★☆★★★
Durability★★☆★★★★★★

Thickness options

Window Insert Thickness Options
for All Materials

All insert materials are available in two thickness options, each offering different performance and weight characteristics.

ThicknessBest ForSound ReductionWeight
3MMLight to moderate noiseGoodLighter
6MMLouder environmentsBetterHeavier

OUR PATIO INSERT STYLE

MAGNETITE®ProCore

OUR FLAGSHIP CANADIAN-PATENTED WINDOW INSERT SYSTEM
  • Top Grade virgin panel
  • Solid hollow PVC subframe optimized for more structural support
  • Robust steel strapping for stronger magnetic contact
  • A custom PVC channel system is mounted at the top and bottom of the subframe, allowing the insert to glide laterally for full, unobstructed access to your primary patio door.
  • Includes an ergonomic vertical handle strip for easy, controlled opening and closing.
  • Available in 3mm and 6mm 
  • Allows for additional privacy or solar films
colour_option_scs
WHAT IS MAGNETITE PROCORE

ProCore Sliding Door System

Effortless Comfort & Access For Patio Doors

Magnetite® ProCore patio door inserts are designed specifically for sliding patio doors, improving insulation and sound control while maintaining smooth, everyday door operation. These patio door window inserts install on the interior and enhance comfort without replacing your existing door.

A smooth-glide PVC guide channel allows the insert to open and close easily, while a vertical handle strip supports effortless use. ProCore delivers a quieter, more comfortable space while preserving full door functionality.

living room patio
woman staring on patio door

Quick, Clean & Custom-Fit Installation

Each ProCore system is custom-measured and professionally installed for a clean, built-in finish. As specialized inserts for sliding doors, installation is completed from the interior with no exterior modifications and no construction mess.

Most installations are completed in a single visit, providing an immediate upgrade to comfort and usability.

Why choose Magnetite

Engineered For Performance

High-Performance Insert Panels

Magnetite custom window inserts are available in acrylic, tempered glass, or laminated glass, each selected based on performance needs and budget.

Magnetic Seal System

 A low-profile magnetic frame allows each insert to click securely into place, creating a tight, continuous seal.

Sealing and Reinforcement

Integrated foam trim and reinforcement help eliminate micro gaps and trap still air. This improves thermal performance and supports effective sound reduction.

Custom Fabrication

Every insert is custom-measured to your exact window or door opening for a clean, built-in appearance. Inserts lift out easily for cleaning or seasonal access.
magnetite_window_insert 1

From the blog

Latest News & Insights

Our Customers Frequently Asked Us

FAQs

Patio door inserts are custom interior panels designed to fit over existing sliding or patio doors. They create an added insulating layer that improves comfort, reduces noise, and enhances energy efficiency without replacing the original door.

Patio door window inserts reduce noise by adding an additional barrier and increasing the air space between the insert and the existing glass. This design helps block outside sound and is especially effective for patios facing busy streets or shared outdoor spaces.

Yes. Patio door inserts are commonly used on sliding doors and function similarly to sliding window inserts. They are custom made to ensure a tight fit that minimizes drafts, vibration, and sound transfer.

Patio door inserts are available in several material options, including acrylic window inserts and glass. Acrylic options, sometimes referred to as plexiglass door inserts, are lightweight and impact resistant, while glass options offer a more traditional feel.

Yes. By sealing air gaps and adding an extra insulating layer, patio door inserts help reduce heat loss in winter and heat gain in summer. This can lead to more stable indoor temperatures and lower energy costs.

Patio door inserts are designed to work alongside your existing door system. They install on the interior side and do not interfere with normal door operation when properly measured and installed.

Yes. Specialized inserts are available for oversized doors, multi panel patio doors, and unique configurations. Each insert is custom measured to ensure proper fit, performance, and ease of use.

Yes. Patio door inserts are fully removable, making them easy to clean or remove seasonally if needed. This provides flexibility for homeowners who want a non permanent upgrade.