Slate is resistant to moisture, cold and wind. It is a good insulator, and these makes slate roof to last hundreds of years. It is also ecologically friendly and does not negatively affect the environment.

It is good for internal and external flooring. Floors made of slate are usually laid in external porches, bathrooms, kitchen and basements. Internal floors of slate add glamour to the house as they are durable and versatile. It gives room for unique and creative designs of the interior.

Slate is useful in the landscaping of both residential and commercial buildings because of its resistance to weather and pollution.