Why choose timber windows over all aluminium?

Choosing timber windows over all-aluminium ones has several advantages, particularly in terms of thermal insulation and durability when enhanced with cladding. Here’s a breakdown of the key points:

   Thermal Insulation:

• Timber as an Insulator: Timber naturally offers better thermal insulation compared to aluminium. This is because wood has a lower thermal conductivity, meaning it is less likely to transfer heat between the inside and outside of a building. This property results in lower U-values for timber windows, indicating better energy efficiency and helping to maintain a comfortable indoor temperature with less reliance on heating and cooling systems.
• Thermally Broken Aluminium: While thermally broken aluminium windows are designed to improve their insulating properties, they still generally do not match the thermal performance of timber windows.

   Durability and Maintenance:

• Weathering of Timber: Exposed timber can deteriorate over time due to weathering, leading to potential issues like rotting. However, modern timber windows often come with solutions to mitigate these problems.
• Aluminium Cladding: By cladding timber windows with aluminium on the exterior, manufacturers like Velfac and Rationel protect the timber from direct exposure to the elements. This cladding takes on the weathering effects, preserving the structural integrity and appearance of the timber underneath.
• Installation Method: Special installation methods that allow full airflow around the window ensure that no water accumulates against the timber. This is crucial to preventing rot and prolonging the lifespan of the windows.

   Aesthetic and Environmental Considerations:

• Aesthetic Appeal: Timber windows often provide a more natural and aesthetically pleasing appearance compared to aluminium. They can add a touch of warmth and traditional charm to a building’s design.
• Sustainability: Timber is a renewable resource, and when sourced responsibly, it can be a more environmentally friendly option compared to aluminium. Timber windows can also contribute to a building's sustainability credentials.

In summary, timber windows, especially those with aluminium cladding, offer superior thermal insulation and a blend of durability and aesthetic appeal. The combination of these materials ensures that homeowners can enjoy the best of both worlds: the natural insulating properties of timber and the weather resistance of aluminium.

Head over to our various pages to find out more information:

https://www.aspectaluminium.co.uk/Internorm-UK-Swansea

https://www.aspectaluminium.co.uk/Rationel-Velfac-windows-doors