There are several types and sizes of roofing sheets. They are made of many materials, including aluminum, zinc, and others. The robustness, general efficacy, quality, and cost of these roofing sheets varies. Certain roofing sheets are more durable than others.
One of the most crucial components needed for a construction project is roofing sheets. In addition to providing a covering for the structure, they also, in their own unique ways, enhance the home’s beauty and elegance. Selecting the proper roofing sheets is crucial, there is no doubt about it. Purchasing roofing sheets is one thing, but ensuring that they are the proper roofing sheets for the building type and your needs is quite another.
You may need to speak with an architect, engineer, builder, or quantity surveyor to determine which is ideal for your building needs. They may provide recommendations for you. The decision to be made, however, ultimately comes down to the cost per sheet as well as other requirements for your roof, such as aesthetics, durability, energy efficiency, water and soundproof qualities, ease of maintenance, weight of the material, longevity, intended Slope or Pitch of your Rafter, among other determining factors that vary from region to region.
In Nigeria, one of the largest markets for building supplies is for roofing sheets. You would anticipate their demand to be quite high given how crucial they are to construction projects, especially in a nation where buildings are being constructed on a daily basis. This has drawn many mattress manufacturers from across the world, which has led to the market release of various kinds of roofing sheets. The era of only a few roofing sheet brands in the nation is long gone. The wide range of types and brands available today might be overwhelming.
The cost of each roof type as a whole is influenced by different roof designs. Residential buildings like residences, hotels, and hostels are typically made to appear like they serve a certain purpose from the top. Moreover, there are buildings constructed for commercial uses, such as factories, banks, public offices, and restaurants. All things considered, a roof with a steeply pitched truss often requires more roofing sheets than a roof with a moderate slope. In contrast, a complex or difficult roof plan will necessitate the use of more roofing sheets than is possible with a basic roof plan, and of course, the more area that has to be covered with sheets, the greater the cost to the customer. These and other elements have a significant impact on the overall cost of roofing and the cost-effectiveness of a specific fashion in Nigeria.
The price of building materials is rapidly changing, thus in order to keep you informed, we have determined the current roofing sheet costs in Nigeria to assist you in choosing between the various varieties of roof covering materials that are now offered in the markets.
Cost And Types of Various Roofing Sheets in Nigeria
The sizes, styles, quality, and cost of roofing sheets vary. While there are many options available on the market right now, it’s crucial to choose the finest one for you depending on the kind of structure and, of course, your preferences. Selecting the ideal color, pattern, and kind of roofing sheets becomes even more crucial because of the unique way they may enhance the appearance of a structure. The Nigerian building sector is adorned with a variety of roofing material grades to suit every imaginable design need. The normal sizes widely accessible in today’s marketplaces range in gauge from 0.45 mm to 0.75 mm, and these roofing sheets are often sold per square meter in accordance with their thickness. Dealers or the product’s makers may occasionally sell them in bundles or by the ton, particularly the coil right before grinding. A bundle of roof sheets consists of 12 pieces. Here, we’ll examine the many kinds of roofing sheets that are offered and their respective market prices. We’ll only take into account roofing materials that are accessible in Nigeria.
1. Stone-Coated Roofing Sheet
In Nigeria’s major cities, roofing sheets with a stone coating are common. This kind of roof sheet combines strength and beauty. It is considered as one of the nation’s longest-lasting roofing sheets. They come in a variety of sizes and styles. Steel or other metal sheets are used to make the roofing sheet. To assure strength, dependability, and aesthetic appeal, they are covered with stone chips that have been bonded to acrylic film. which enables them to be;
- Fire and heat resistant: The roofing’s stone coating makes it difficult for it to catch fire. The stone coating also increases the roofing’s heat resistance. Use stone-coated roofing if you wish to reduce heat in your building throughout the summer.
- Soundproof: You won’t even notice it raining when the rains land on your roof. Stone-coated roofing is your best option if you don’t like the sound that the rain making contact with your roof makes.
- Long-lasting beauty: Nobody will likely argue that stone-coated roofing is significantly more attractive than the solutions now available in Nigeria. This is the best choice for you if you’re picky about appearances that wow and exude sophistication.
- Lightweight: The safer for your structure, the lighter your roofing should be. This is due to the fact that heavy roofing places an excessive strain on the building’s framework and can create fractures or even failure in structures with poor construction. One of the greatest solutions to this issue is to use roofing that is stone-coated.
These Stone-coated roofing sheets are in more demand on the market for use on expensive roof projects in major cities around the nation since they are strong, dependable, colorful, attractive, and ecologically beneficial. This is due to the fact that throughout time, stone-coated roof kinds have supplanted aluminum roofing sheets’ shortcomings, raising the price per piece. In actuality, stone-coated roofing sheets are among the priciest roofing materials on the market. Stone-coated roofing sheets don’t rust, in contrast to several other forms of roofing sheets. Compared to most other types of sheets, this sort of roofing sheet is more expensive, but the investment always pays off and they are worth the cost. Compared to most other types of roofing sheets, they often have a longer lifespan, are more dependable, and can handle extreme temperatures better. Building owners seldom need to replace the sheets since upkeep is simple and they can usually rely on them.
As the necessity for concealment and protection developed in Europe in the 1940s, the concept for these types of sheets was born. This was made ideal by coating it with bitumen and then covering it with sand, stone, or other materials. According to their description, stone-coated roofing sheets are made of refined metals, often steel, that are covered in stone chips and attached with an acrylic film on top of galvanized steel. The majority of them are oven-baked with a life expectancy guarantee of around 50 to 70 years, which eliminates the need for replacement and some other unneeded maintenance charges that would have increased the lifecycle cost over time, particularly during refurbishment.
2. Aluminium Roofing Sheets
Aluminum roofing sheets are by definition roof materials formed entirely of the metal Al or its alloys with components like copper, tin, manganese, silicon, or magnesium, etc. This is done, among other intended beneficial attributes, to increase its tensile strength, flexibility, ductility, and recyclability. These sheets are used in a variety of applications, including as the cladding of walls, awnings, gutters, and sidings.
According to use data, Nigeria’s most popular roofing sheet type at the moment is aluminum. Aluminium roofing sheets are extremely dependable and durable. Regardless of changes in weather or temperature, the majority of dealers guarantee over 50 years of use for the roofing sheet. This can be explained by its low cost, light weight, durability, improved corrosion resistance, acceptable insulation, and inability to burn during fire outbreaks. It has certain drawbacks, one of which is the noise it produces during rain and the cracking sound it makes during periods of intense sunlight.
|Long span||0.70 mm||N6,700|
|Long span||0.55 mm||N3,750|
|Long span||0.50 mm||N3,200|
|Long span||0.45 mm||N2,800|
Aluminium roofing sheets, While one of the most sought-after roofing materials, aluminum roofing sheets are less durable than stone-coated roofing sheets since they have a propensity to corrode over time. Despite this, they continue to be among the most popular roofing sheets in the nation, which does not diminish their quality.
Any Purlin built of steel or wooden can have aluminum roofing installed on it according to requirements.
3. Fibre Britment Roofing Sheets
This particular style of roofing sheet was popular at one point. In fact, it dominated the market and was the topic of conversation at the time. Although it continues to be of high quality and exceptional toughness, its market worth and consumer preference have decreased. This premium roofing sheet works hard, reliably, and in the most elegant ways for you. Below are some of the most affordable varieties of roofing sheets made of fiber reinforced plastic that can be found in Nigeria.
- Each square meter of Fibre Britment Step-Tile Roofing Sheets costs 4,900 naira.
- Each square meter of Fibre Britment Roofing Sheet costs 3,400 naira.
4. Fibre Cement roofing sheet
Fibre Cement roofing sheet have been in use for so long, they have truly withstood the test of time. Fibre cement sheets with flat surfaces continue to be among the best cladding materials, while those with corrugated finishes are still utilized for roofing. Overall, the cost of a square meter of fiber cement roofing sheet in Nigeria ranges from 4,000 to 5,000 Naira.
The name is frequently confused with Fibre Britment roofs, which have already been phased out. While fiber cement roofing sheets are still popular, demand is declining as consumers turn their focus to metal alternatives. While they are simple to break, purchasers believe that they are more durable than corrugated zinc roofing sheets.
Fibre cement boards are essentially slates constructed of composite materials like cellulose fibers and Portland cement that have been blended with water and other chemicals to create the hard, non-metallic, non-combustible, heavy, well insulated, opaque profiles that are familiar to us today. These cement sheets are occasionally reinforced by their producers with asbestos to give them certain strong qualities.
5. Swiss Roofing Sheets
Swiss roofing sheets are now the most costly roofing sheet in Nigeria since they feature all the wonderful and necessary characteristics of a normal roofing material. Purchasing it beforehand necessitates placing a pre-order with importers, who will ultimately raise the price owing to the dollar-to-naira exchange rate. Due to the lower cost of national distribution, Swiss Metrotiles Ltd currently sources these items through their manufacturer in Switzerland.
There are very few roofing sheets that can compare to Swiss Roofing sheets in terms of beauty, class, elegance, and durability. In Nigeria, they are not the most often used kind of roofing sheet. This is mostly because of their high cost. The price per square meter for a typical Swiss Roofing sheet is from N6,000 to N9,000.
After metro tiles, this roofing sheet is one of the most recent, pricey roofing material varieties in the nation. With its amazingly distinct color combination and tendency to follow a typical pattern, it resembles a Stone-coated variety more than a variant sold under a different brand name.
6. Roof light roofing sheet
The basic materials used to make these translucent or transparent roofing sheets include plastic, danpalon, polycarbonate, and fiberglass.
These kind of roofing sheets are uncommon but quite useful when you want to let light into your home without worrying about rain. They are often supplied corrugated in a variety of thicknesses, including 1mm, 2mm, 3mm, 4mm, and even more. In Nigeria, the cost of a Rooflight or GRP transparent roof sheet varies from ₦5,000 to ₦15,000 per square meter.
The rooflights constructed of fiberglass, also known as glass-reinforced polyester resin (GRP) or fiber-reinforced polymer, are the best and most widely used (FRP).
Keep in mind that the cost of building supplies varies and is subject to fluctuate. Despite the fact that we have gathered prices based on the current market, we cannot promise that they won’t alter any time soon.
Types and Design styles Of Roofs in Nigeria
The type of roof you choose not only enhances the aesthetics of your roof and building overall, but it also has a significant impact on the property’s market value. For instance, having a roof with space for solar panels or other energy-saving devices is now a selling factor.
Furthermore, based on the style of roof, particularly Gable roofs, additional living areas can be carved out by your carpenter to create an attic for human habitation, especially in crowded places like Lagos where flats are not so inexpensive. For those who enjoy it, having above water storage tanks constructed specifically on the rooftop might also be a draw. In that scenario, the list of roof kinds below will be helpful to you.
- Butterfly Roof
- Bonnet Roof
- Clerestory Roof
- Mansard Roof
- Gambrel Roof
- Shed or Skillion Roof
- Curved Roof
- Hipped Roof
- Dormer Roof
- Gable Roof
- Flat Roof
- Jerkinhead Roof
- M-Shaped Roof
- Dome Roof
- Combination Roof
Important Notices Before Choosing Your Roofing Sheet
Each style and type of roofing sheet requires a particular sort of woodwork. The timber framework beneath stone-coated roofing has to be tightly fixed. Thus, be prepared to pay significantly more on the woodwork if you choose stone-coated roofing.
Choose your roofing style before beginning any woodworking. This is due to the possibility that the woodwork for one form of roofing may not be adaptable to another. For instance, the woodwork for step-tile aluminum roofing will not fit for longspan aluminum roofing. Similar to how stone-coated roofing will not work with the woodwork for step-tile aluminum. The woodwork for stone-coated roofing may, however, be used to any kind of roofing.
There are several brands and degrees of quality available for both stone-coated roofing sheets and step-tile aluminum roofing sheets. So, you should be aware of dishonest roofers who offer prices for high-end, pricey brands but then purchase less expensive, subpar brands that lose their appeal after a few years.
Calculating The Amount Or Quantity Of Roofing Sheets For A Structure
The different parts of a typical roof, such as the King post, Structs, Rafter, Tie beam, Purlin, Eaves overhang, Ridge, etc., are visible from the simple roof layout shown above.
We must be aware of the numerical values for at least two sides of the traingle in the diagram in order to compute the amount of roofing sheets (Side A, B & C).
The hypotenuse, or Side A, is obtained using known slopes.
Half of the building’s breadth, or Side B, is adjacent and easily accessible.
The length of the roof height/King post is roughly represented by Side C, which is the opposite (if any).
Take the King post’s height to be 1,200 mm, the block wall’s overall length to be 6,500 mm, and its width to be 3,600 mm based on our sketch.
We divide 3,600 by 2, which gives us 1,800, and we add one side of the eave overhang to the triangle to get 2,400 mm, which is the entire sloping length.
As a result, A = X , B = 2.4 m , C = 1.2 m
Using the use of the Pythagorean Theorem, which states that A² = B² + C², we were able to determine X to be 2.68 meters.
We now multiply the two sides of the eave by the WHOLE Lenght of the end-to-end block wall to arrive at 7,700mm, which is the area of just half of the basic roof type. To obtain 4,800 mm, we also use the same procedure for the WIDTH.
Hence, 7.7 x 4.8 = 36.96 m² of roofing sheets are required for this project, which becomes 36.96 m² multiplied by two to become 73.92 m².
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