I was stunned to hear that some inventions have been motivated by -yes human laziness. But by far Necessity has been the mother of numerous inventions in the annals of human sojourn on this planet.The necessity of a roof over our heads has spawned some ingenious products that will work on either flat, pitched or hybrid between these two roofing systems . The material that are used to make these product range from tree barks to hi-tech and expensive material like fiber-glass and asphalt shingles as explained below.
These roof covering are made of dry coconut branches & leaves and is common at Kenya Coast and tourist hotels.
A traditional roofing material used in Korea in the past ,but no longer in use.
Thatch,that is roof covering made of grass,uses a variety of long grasses that include but not limited to needle grass a.k.a Osinde grass, water reeds,long straws and combed wheat reeds.Water reed is durable, lasting between 50 to 60 years.All Thatched roofs require re-thatching after a few years.Thatched houses offer good insulation, keeping the building warm in cold seasons and cool in dry seasons.
Aluminium metal is used to manufacture profiled corrugated sheets that are durable and strong.Its also used together with zinc to coat iron sheets to protect them from corrosion and rust
Most common and popular roofing material in Kenya. It is used to manufacture galvanized corrugated iron sheets and Metallic roofing tiles.The Steel tiles may be stone-coated to give them an eye catching finish and cost about Kshs 650 per piece.Iron sheets are light and durable-which lowers roofing cost by minimizing amount of money spend on trusses and other roof support materials . Galsheet Resincot iron sheet cost about Kshs 452 at the factory.
They are similar to clay tiles .However they made from concrete and durable .The price may range between Kshs 80 and Kshs 125 per piece.
Clay tiles are made from clay which is baked at very high temperature.Clay tiles are good for rain water harvesting and sell between Kshs 100/and Kshs 200/
Its by-product of crude petroleum oil and nearly as expensive as slate.Used on both flat and pitched roofing systems
Its dark grey brittle stone . Flat pieces of this stones are used as roof covering. Its very expensive and durable -lasting for hundreds of years.
This are made of flat rectangular pieces of wood manufactured from Cedar Timber. They are fixed on roof like clay tiles and suitable for pitched roofing systems.
Its manufactured by by mixing cellulose fiber and cement and looks like slate