Why Aluminum Frames are Preferred for Windows

Aluminum frames offer 4 key benefits over wood timber and PVC making them the perfect choice for beautiful window frames:

  • High strength
  • Excellent thermal efficiency
  • Low maintenance
  • Style


High Strength

Aluminum is the strongest material used to make window frames. Its built-in durability means the material won’t be affected by temperature changes and doesn’t:

  1. Flex
  2. Twist
  3. Expand
  4. Contract

Both wood and PVC are prone to warping in different weather conditions. For example, wooden window frames can warp if the material absorbs too much moisture or is exposed to direct sunlight for long periods of time. When the wood warps, it can affect the fit of the window in the frame, causing thermal and operating efficiency problems.

uPVC frames are also prone to warping at high temperatures, which can cause the material to expand and contract, making it difficult for the frame to open and close properly.

Aluminum is not affected by such factors and due to its innate strength, this also means that the window can be made much larger without compromising the level of security. This means significantly more flexible design possibilities, allowing for more light and less profile.


Excellent Thermal Efficiency

Aluminum profiles are very heat efficient, as long as the window frames are equipped with heat compartments.

Thermal fracture prevents the conductive properties of the metal from transferring heat away from the house. The Origin window is equipped with a 35mm polyamide heat shield with interlocking slats that minimize airflow through the system.

A bespoke cavity sealing gasket is installed in the inner cavity of the window frame, between the baffle and the frame (except for the side of the frame where the locks are installed), to further improve thermal efficiency. You can learn more about the thermal performance of windows and glazing with the following helpful FAQs.


Low Maintenance

Aluminum window frames require the least maintenance.

Aluminum windows only require cleaning with warm soapy water to maintain their clean appearance. Most aluminum window frames are powder coated, which means they don’t need repainting and the color won’t fade over time.

Powder-coated aluminum will not corrode, discolor, rot or warp. You can read more about aluminum maintenance here in this section on bi-fold doors – much of which also applies to window aluminum frames.

Timber frames need the most maintenance, requiring repainting every few years to keep them from wearing out and to ensure the wood is completely sealed and protected from moisture.

uPVC frames are a low-maintenance option; However, their main disadvantage is that they can wear down over time, especially if exposed to strong sunlight for long periods of time. Unlike wood, they cannot be repainted, so their lifespan is often shorter.



Beautiful slim frames and multiple color finishes make aluminum windows an extremely stylish choice. The aluminum window frames are available in RAL powder-coated colors giving a perfectly smooth finish, provided the aluminum used is of high quality. Some window manufacturers make windows from remelted scrap aluminum, which can create minor imperfections in the smoothness of the frame surface.

At the other end of the scale, OEM windows are made from high-quality billet aluminum that can be fully traced back to the source supplier. They produce windows of the highest quality. Windows can be finished in a variety of RAL colors including multiple realistic wood-effect finishes.

Just like timber and uPVC windows, aluminum windows are available in a range of styles to suit your taste and your home, including casement, bay, and gable windows.

Wood is aluminum’s closest rival when it comes to aesthetics, especially in terms of age-old properties. The main disadvantage of wooden frames is that they show signs of wear and tear faster than other materials and require more maintenance. PVC window frames are not known for their beauty and can look thick. There are also limited color options available with PVC windows.

Talk to your local installer to learn more about the benefits of choosing aluminum for window frames and the options available to your property. MISUMI India is a leading supplier of aluminum profiles in India. Also, if want you want to buy aluminum frames in bulk quantity at a discounted price then Contact MISUMI India at 0124-4688 800.

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