According to Johnny Lovett from Grangeway Partners, you can generally identify the type of roof your home has by looking at ...

Cite: Souza, Eduardo. "10 Types of Roofs and the Possibilities of Slate Tiles" [10 Tipos de telhados e as possibilidades das telhas de ardósia] 12 Nov 2020. ArchDaily.

Torch-on felt is the cheapest type of flat roof covering, with EDPM usually working out at around 25% more expensive. At the top of the price scale lie green roofs and sheet metal, such as zinc.

Designed primarily as a warm roof structure, the Kalzip Deck Roof System is suitable for roof pitches starting from 1.5° and is compatible with various substructures and support systems.