A metal copper plate made of steel, aluminum, etc. It is made of a surface material (metal plate) with excellent design and durability and a backing material with excellent insulation and fire resistance, and is lightweight and durable. It needs to be repainted every 10 to 15 years to maintain its beauty and prevent mold. If the paint film is damaged, it needs to be treated immediately.

A material made from cement and fiber in a plate shape. It is available in a wide variety of designs, including tile and brick patterns, and is widely used these days. The base material is water absorbent, and the waterproofing function relies on the coating, so if the coating is allowed to deteriorate, it can cause serious damage to the structure of the building.

A lightweight aerated concrete exterior wall material. It has excellent insulation, fire resistance, and durability, and is often seen in apartment buildings. If the paint is left to deteriorate, it will fall apart from the inside because it has poor waterproofing. If it is too late, it will be necessary to restore it by repairing the base, so it is important to repaint it as soon as possible.

Concrete, a mixture of water, cement, sand, and gravel, is the strongest exterior wall material. However, over time, the waterproofing effect deteriorates and water will seep into the concrete, requiring professional repairs.

This is one of the most common roof types, and is made of thin stone boards. As it deteriorates, cracks and warping of the surface, corrosion of the base material at the joints of the roof surface, and loosening of the nails that hold the metal sheets in place will occur. After 10 years or more, dirt and moss will appear, and fading will become noticeable, so it is a good idea to have it inspected for corrosion inside.

Among tiles, there are cement tiles, Monier tiles, concrete tiles, etc. Compared to slate tiles, they deteriorate more slowly, but still require regular maintenance. The treatment method and paint used vary depending on the type, so it is important to perform maintenance according to the material.