Slate roofing is thick and beautiful made of the highest quality but is more expensive. The drawback is they are very heavy and must have a supportive structure. Labor of this type of roofing will be more expensive due to the heaviness. Lifetime of 80-100 years. Cedar Shake is environmentally friendly and comes in 3 widths for easy installation. It also varies in thickness to meet your houses needs. Custom colors and the life of 50+years make it a popular choice. Pricing is affordable.