Clay roof tiles generally are among the most durable roofing materials. They’re affordable in the long run. Because of their long lifespan, installation and maintenance costs are considerably lower than other materials in the long run.

Slate roofing tiles has the properties of impressive service life, excellent durability and timeless appeal. Slate roof tiles are made of 100% natural stone, and have a naturally cleft surface with beautiful color variation ranging over the entire roof.

Sandwich panels are made of two layers of metal (usually steel or aluminum), with a thick piece of insulation wedged in between. These panels are commonly used in commercial buildings. The materials mainly vary in their thermal insulating performance, sound insulating performance, reaction to fire and weight.

XPS foam board is a rigid material with a very high compressive strength, so it has dimensional stability and durability. It can be easily shaped. It’s cost is relatively low.