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Compression Seals for Windows
We use compression seals for windows because it’s simply the best way to seal against drafts and noise. The silicone in our compression system stands up to heat and sun while nearly disappearing into the window frame. It was designed with a refrigerator magnetic seal in mind, but improved and simplified to make it stronger and easier to remove and reinstall.
How Indow Inserts Seal Windows
We use acrylic panels surrounded by silicone tubing to create our one of a kind window inserts. We use acrylic because it’s better for thermal and sound control than glass. We use silicone because it’s the best quality: long-lasting and resilient so it won’t lose its spring force over time.
Just like the Ove Glove, which uses silicone to protect your hands in the oven and keep the glove from being altered by heat, your window insert frames will stand up to the elements. They’ll be exposed to sun, heat, and UV rays for years, but will never change shape or lose their compression force.
“Silicone is almost impervious to UV radiation which exists in abundance in window frames, it’s highly resistant so it’s not going to lose its spring force over time. There’s something in engineering called compression set which is how much something loses its spring force when it’s squeezed for a long time and silicone has the very best compression set properties and durability properties.” -Sam Pardue, Indow Founder
Founder and CEO Sam Pardue installing one of the first Indow inserts sold, in the first year of the company’s history
Evolution of the Compression Seal for Windows
We originally had a magnet inside our tubing to seal windows. We wanted to improve the magnetic attachment system by accommodating for the acrylic panel’s thermal expansion and contraction while cleaning up the appearance by removing the need for a big metal frame on the window.
The plan was to make the frame of the insert act like a refrigerator magnetic seal. If you look at a refrigerator door, it’s a magnet surrounded by a compression seal. So, we were going to combine a magnet and compression tubing, just like a refrigerator magnetic seal.
VP of Marketing, Kristina Damschen Spina, installing the insert in the kitchen where the product was invented.
The initial prototype failed. It also didn’t look great. We removed the magnet and just used the spring force of the compression seal and worked! It looked so pristine in the window frame you could hardly see it. We accomplished everything we wanted: a near airtight seal for windows, a near perfect appearance, and no harm done to the window frame.
We didn’t stop there. We continued to innovate on the perfect way to seal windows, adding more compressive range and increasing the amount of spring force. We even added space in the tubing for a metal spine for added stability on large inserts. We’re constantly optimizing different aspects of our window insert from compression seals for windows to customer usability.
Seal Windows in Any Environment
We continuously improve our compression seal for windows to create the best draft- and noise-blocking window inserts possible. Together acrylic and silicone forge a perfect sound and climate control combination. They are both resilient, standing up to sun exposure without losing their effectiveness.
No matter what window issue you have, there is a window insert that can help. Take a look at all of our products to see what works for your situation.
Trusted Since 2010
Indow has insulated more than 23,000 buildings - helping reduce carbon emissions by nearly 200,000 tons - and creating comfort across the US & Canada!
Reviews
Excellent
4.49 Average Rating
1546 Reviews
Excellent product for windows outside noise problems. Bought 2 Indow inserts for our bedroom windows. I was hesitant at first, but after installing our new acoustic Indows I was impressed. It really cut down on outside noise tremendously. Got few estimates for 2 new windows to replace the old ones. The cost of installing new windows was a shocker. Now, I am happy with my choice to go with Indows. Highly recommend!