Kaksoisseinämiä

Kaksoisseinämiä, also known as double walls, are a construction technique involving two parallel structural walls separated by a cavity. This cavity can be filled with various materials such as insulation, air, or even structural components depending on the specific application and desired properties. The primary benefit of a double wall construction is enhanced thermal insulation, significantly reducing heat transfer between the interior and exterior environments. This leads to improved energy efficiency in buildings, lowering heating and cooling costs.

Beyond thermal insulation, kaksoisseinämiä can offer advantages in soundproofing. The air gap or the material within the cavity acts as a sound barrier, absorbing and reflecting sound waves, thereby reducing noise transmission. This makes double walls a common choice in environments where noise reduction is important, such as apartments, hotels, or structures near busy roads.

The construction of double walls can vary. In some cases, two distinct structural walls are built with a gap between them. In others, a single structural wall might have an additional, non-load-bearing inner or outer wall constructed with a gap. The materials used for the walls themselves can include brick, concrete block, timber framing, or steel framing. The cavity's width and the fill material are key design considerations to achieve the desired insulation and acoustic performance. While offering significant benefits, double wall construction can sometimes increase the overall wall thickness, which might impact usable interior space or require adjustments in design for elements like window and door openings.