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Window Insulation That Actually Reduces Noise
When most people search for “window insulation,” they’re thinking about blocking heat or cold, i.e., “Thermal Insulation”. But if your main problem is insulating against noise and sound—from traffic, neighbors, or barking dogs—traditional insulation like fiberglass, foam, or plastic film won’t help much. What you need is “Sound Insulation.”
At Sun and Sound Windows, we specialize in sound insulation for windows, not just energy efficiency.
Why Traditional Insulation Fails at Soundproofing
Most insulation materials are lightweight and porous, like fiberglass or foam. These are great for thermal insulation but poor at blocking sound. Sound travels through air—and lightweight, fluffy materials don’t have the mass or density to stop it.
If you’ve tried weatherstripping, window film, or foam insulation and still hear everything, you’re not alone.
What Actually Works to Insulate Against Sound
Effective sound insulation requires:
- Mass – Heavy materials absorb sound energy, and lightweight materials don’t.
But this is a window, so you require heavy, CLEAR material, i.e., laminated glass. - Separation – A minimum 3-inch air gap between your window and the sound panel/insert reduces vibration transfer and creates a soundwave interference zone.
- Sealing – Prevents sound leaks around frames.
Our custom-made window inserts use all three principles to block outside noise—up to 90% reduction in real-world homes and offices.
Real Results Without Replacing Your Windows
Our inserts are installed over your existing windows. You won’t need to replace anything, and the results are immediate:
- Dramatic reduction in street and neighbor noise.
- Better sleep and peace of mind.
- Lower energy bills, too—our inserts provide thermal benefits as a bonus.
Are We the Right Fit for You?
If your main goal is to reduce outside noise, we can help.
Call us today for a free estimate and learn whether our solution is right for your windows—and your ears.
