Katemateriaali
Katemateriaali refers to the substances used to cover and protect a roof. The primary functions of katemateriaali are to shield the underlying structure from weather elements such as rain, snow, sun, and wind, and to contribute to the overall aesthetic of a building. The choice of katemateriaali significantly impacts a roof's durability, lifespan, maintenance requirements, and cost.
Various types of katemateriaali are available, each with distinct properties and applications. Common materials include asphalt
Other less common but sometimes used katemateriaali options include slate, which is highly durable and fire-resistant