limelaastit

Limelaastit is a Finnish term referring to lime-based building materials. These materials have a long history of use in construction due to their properties of breathability, flexibility, and environmental friendliness. Traditional limelaastit include lime plaster, lime mortar, and lime wash.

Lime plaster is a mixture of lime, sand, and water, often with additives like animal hair for reinforcement. It is known for its ability to regulate humidity, creating a healthier indoor environment. Its porous nature allows moisture to evaporate, preventing condensation and mold growth. Lime mortar is used for binding building blocks such as bricks or stones, offering similar benefits to lime plaster in terms of durability and breathability. Lime wash is a decorative and protective coating applied to walls, providing a soft, matte finish and acting as a natural disinfectant.

The production of lime involves heating limestone to high temperatures, a process that requires significant energy. However, the resulting lime materials are carbon-neutral or even carbon-negative over their lifecycle, as they reabsorb carbon dioxide from the atmosphere as they cure. Modern applications of limelaastit often involve specialized formulations for various construction needs, including interior and exterior finishes, insulation, and restoration projects. The use of limelaastit is experiencing a resurgence as builders and homeowners seek sustainable and healthy building solutions.