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Custom Window Inserts for Any Space
WHAT IS MAGNETITE
Custom Window Inserts for Any Space
Magnetite® custom window inserts are precision-built interior inserts designed to fit virtually any existing window or door opening. Custom-measured to your specifications, they are ideal for residential, commercial, historical, and condominium applications. Whether you need acoustic window inserts or soundproof window inserts to reduce outside noise, or energy efficient window inserts to improve comfort and lower energy costs, Magnetite solutions help reduce noise, increase energy efficiency, limit condensation, and block UV.
Our custom window inserts are available 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 custom window insert solution for your home, or scroll down to learn more.
Material options overview
Acrylic
Laminated Glass
Tempered Glass
Acrylic
Acrylic window inserts are a lightweight and cost-effective option for custom window inserts, making it easy to install, remove, and retrofit. When paired with a proper air gap and airtight seal, acrylic provides effective sound reduction, improved energy efficiency, and UV protection, helping create a quieter and more comfortable indoor space.
Acrylic inserts are well suited for budget-conscious projects where weight, removability, and overall value matter most. While laminated glass offers higher sound control in demanding environments, acrylic remains a practical and proven solution for many homes and buildings.
Lightweight and removable
Cost-Effective Solution
Durability
High
Laminated Glass
Laminated glass provides the highest level of sound control for custom window inserts. Made from two layers of glass bonded with a clear interlayer, laminated glass absorbs vibration rather than transmitting it, which significantly reduces both high-frequency and low-frequency noise.
In addition to superior sound reduction, laminated glass offers strong UV protection, improved security, and long-term durability. This makes it the preferred option for homes and buildings where maximum performance and comfort are required.
Superior Durability
Superior Soundproofing & UV Protection
Durability
High
Tempered Glass
Tempered glass is a strong, durable option for custom window inserts and is commonly selected for safety, clarity, and building code compliance. The heat-treated glass offers excellent impact resistance and long-term durability, making it a reliable choice for both residential and commercial applications.
Tempered glass provides moderate sound reduction and performs well in everyday noise conditions. While it does not offer the same level of acoustic damping as laminated glass, it remains an effective solution when strength, safety, and structural performance are the primary considerations.
Safe & Durable
Code Compliant Material
Durability
High
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.
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.
OUR WINDOW INSERT STYLES
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
- Easy use handle for insert removal
- Available in 3mm and 6mm
- Allows for additional privacy or solar films
MAGNETITE®SlimLine
Our Legacy Window System Ideal for Low Profile Applications
- Top Grade virgin panel
- PVC subframe
- Steel strapping
- Available in 3mm and 6mm
- Allows for additional privacy or solar films
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.
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Our Customers Frequently Asked Us
FAQs
What are custom window inserts?
Custom window inserts are interior panels made to fit your existing windows. They install on the inside of your home and create an additional insulating barrier that improves comfort, reduces outside noise, and increases energy efficiency without replacing your original windows.
How effective are window inserts at reducing noise?
High quality inserts are very effective at reducing noise when properly measured and sealed. Acoustic window inserts and soundproof window inserts help reduce traffic noise, construction sounds, and general outdoor disturbances by minimizing air gaps where sound travels.
Are window inserts considered soundproof?
While no solution can make a window completely soundproof, soundproof window inserts significantly reduce noise by adding an extra interior layer and increasing the air space between panes. This is one of the most effective non invasive ways to quiet a room.
Do acoustic window inserts work for city or traffic noise?
Yes. Acoustic window inserts are designed to reduce common urban noise such as traffic, sirens, and street activity. They are ideal for condos, homes near busy roads, and offices that need quieter interior spaces.
Will custom window inserts affect how my windows look?
Custom window inserts are designed to be low profile and discreet. They install on the interior side of your window and preserve the original exterior appearance, making them a popular option for property owners who care about aesthetics.
Can window inserts help with energy efficiency?
Yes. Window inserts improve insulation by reducing drafts and heat transfer. This helps maintain consistent indoor temperatures, lower heating and cooling costs, and improve comfort throughout the year.
Are window inserts removable?
Yes. Custom window inserts are fully removable, making them easy to clean or remove seasonally if needed. This makes them a flexible option for homeowners and renters who want a non permanent upgrade.
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Are window inserts custom made for each window?
Yes. All custom window inserts are individually measured and manufactured to fit each window opening. This ensures proper sealing, better acoustic performance, and long term durability.
