Noise Reducing Windows in Melbourne: How to Choose the Right Product for Your Home
Noise reducing windows in Melbourne are one of the most practical upgrades available to homeowners dealing with unwanted sound. Whether the source is traffic on a main road, trams and trains, neighbours, or the general background noise of a busy suburb, the right windows make a measurable and noticeable difference to the acoustic environment inside your home. This guide covers what drives acoustic performance in windows and what to look for when choosing a product.
Why Windows Are the Weakest Point Acoustically
Walls, floors, and ceilings in most Melbourne homes provide reasonable acoustic insulation by virtue of their mass and construction. Windows are the weak point because they use much less material and because gaps around poorly sealed frames allow sound to bypass the glass entirely.
Single-glazed windows provide minimal resistance to sound transmission. Even standard aluminium double-glazed units with degraded seals or inadequate frame construction allow significant sound transfer. Noise reducing windows in Melbourne address this by combining heavier glass, wider insulating gaps, and airtight frame sealing to attenuate sound across a much broader frequency range.
The Key Factors That Drive Acoustic Performance
Not all double glazed windows perform equally well acoustically. Here is what determines how much noise reduction a window delivers:
- Glass thickness and mass: Heavier glass is harder for sound to vibrate. Thicker glass panes attenuate more sound energy than thin ones.
- Asymmetric glass thicknesses: Using different glass thicknesses on the two panes of a double glazed unit is more effective acoustically than matching thicknesses. Matched thicknesses can resonate at the same frequencies, which creates a weak point in the attenuation curve. Asymmetric panes break this coincidence effect.
- Gap width: A wider gap between the panes provides more acoustic separation. Gaps of 12 millimetres or wider generally provide better acoustic performance than narrow gaps.
- Frame sealing: Multi-point locking systems that compress seals evenly around the full perimeter of the frame eliminate the air gaps that allow sound to bypass the glass. This is one of the most important factors in real-world acoustic performance.
- Frame material: Rigid uPVC frames with multi-chamber construction do not flex or vibrate in the way that thinner aluminium frames can, which contributes to overall acoustic performance.
What Noise Reduction Levels Are Realistic
Quality noise reducing windows in Melbourne using double glazed uPVC construction typically achieve sound reduction values of 35 to 42 decibels, depending on the glass specification and installation quality. Triple glazing provides additional attenuation, particularly for low-frequency sounds like traffic and rail noise. A reduction of 10 decibels is perceived as roughly halving the loudness of a sound, which means a 35 to 40 decibel reduction represents a very significant change in the acoustic environment of your home.
The Window Range
Astellite manufactures noise reducing windows in Melbourne across a full range of styles using German-engineered Aluplast uPVC profiles and high-performance glazing. Here is what is available:
- Tilt and turn windows with excellent multi-point sealing for strong acoustic performance.
- Fixed windows for maximum acoustic insulation in permanently sealed areas.
- Awning windows for rooms that need ventilation as well as noise reduction.
- Sliding windows for modern layouts.
- Bifold windows for wide openings that seal effectively when closed.
- Custom windows for specific acoustic or architectural requirements.
Every window is custom manufactured to your home’s exact dimensions. Astellite holds accreditation from AGWA and WERS, and all products meet Australian building and safety standards. Every installation is backed by a 10-year warranty.
Get a Free Quote Today
Astellite services homes in Melbourne, Geelong, Melton, and the Mornington Peninsula. Contact us today to arrange your free measure and discuss the right acoustic specification for your home.