This roof design uses elastomeric roof coating to close up the roof. Unlike the built-up flat roof made up of three layers, the modified bitumen system is made up of two layers. This is employed in the built-up roof design and likened to it because it has asphalt as a component. This is a hydrated roof system that has a combination of traditional roofing installation and high technology formulation. If not properly maintained you might be forced to spend money on repairs, as it is often difficult to know where the leakage is from. The only problem with this roof design is that the gravel makes the roof heavy, which clogs the gutter causing drainage problems. It is advisable for you to use this flat roof design for residential buildings. The built-up flat roof design is very affordable and cheap to construct. This roof design has a lot of tar and asphalt which forms three layers on the flat roof while the gravel covers the tar from ultraviolet rays of the sun, this is to enable the roof to last long and not damage easily.Tar is not DIY-friendly due to its foul smell while gravel is better because it is fire resistant and prevents fire outbreaks. The built-up roof design is very popular and commonly used in industrial and commercial buildings. The structure of this roof is made of gravel and hydrocarbon which are used to cover the flat roof. The advantage of a green flat roof can be harmful to nearby streams because it absorbs stormwater, helping with the drainage system.
This roof design is expensive to build but it is eco-friendly and functions in bio-diversity creating a home for wildlife. Green flat roofs can be quite difficult to maintain as you would have to weed them occasionally to invasive plants from growing on your roof causing damage. You can be able to get quality air from your home due to this flat roof design and it reduces the money spent on energy. It does not only represent beauty but also represents nature. This roof is mostly or partly covered by green leaves which are made possible by building a waterproof system underneath the roof. A green roof system design can give you additional structures like drainage, irrigation systems, and root-barrier. This type of flat roof design is also called the eco-roof, vegetative roof, or living roof. These roofs vary in texture, functionality, price, and quality. There are different types of flat roofs you can choose from based on your style. Here are the types of flat roof designs in Nigeria
Care must be taken when building flat roofs to prevent leakages due to rainfall. Flat roofs are usually used in commercial buildings. It is built with less labor work and the roof is built in concrete to prevent heat from the sun. Small and stylish flat roof design: this type of roof is built in areas with less rainfall.
Commercial buildings are known globally for this design. The Latest and contemporary flat roof designs are installed mostly on commercial buildings since the levels are more required. Due to seasonal climate change, care must be taken while building this roof.
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