Types of Roof Sheets

Last updated on June 22, 2023

Discover the various types of roof sheets available in the market, as we dive into their unique features and benefits to help you make an informed decision for your next roofing project.

Are you planning to install a new roof or replace your existing one? One of the most critical decisions you’ll have to make is choosing the right type of roofing sheet. With so many options available in the market, it can be overwhelming to decide which one suits your needs and budget.

However, fret not! In this article, we’ll take a closer look at different types of roof sheets and their advantages and disadvantages. By the end of this read, you’ll have a better understanding of which roofing sheet is best for your home or business.

So sit back, grab a cuppa, and let’s dive into the world of roof sheets!

Corrugated Roofing Sheets

types of roof sheets

Corrugated roofing sheets are a popular choice for many homeowners and businesses due to their durability, affordability, and versatility. These sheets have a distinctive wavy pattern that provides excellent strength while also allowing water to run off easily.

Corrugated roofing sheets come in various materials such as metal, plastic, or bitumen.

Metal corrugated roofing sheets are the most common type used in construction projects due to their high resistance against weather elements like rainwater or snowfall. They can be made from galvanized steel which is coated with zinc for added protection against rusting.

Plastic corrugated roofing sheets offer an affordable alternative that is lightweight and easy to install compared to other materials. They come in different colors and designs making them ideal for use on garden sheds or carports.

Bitumen corrugated roofing sheet is another option available on the market today; they provide excellent insulation properties while being highly resistant against fire damage making them suitable for industrial buildings where safety concerns are paramount.

Galvanized Steel Sheets

These sheets are made of steel coated with zinc, which protects them from rust and corrosion. Galvanized steel sheets come in various thicknesses, ranging from 0.5mm to 2mm, making them suitable for different types of roofs.

One significant advantage of galvanized steel is that it can withstand harsh weather conditions such as heavy rain or snowfall without getting damaged easily. They have excellent thermal properties that help regulate the temperature inside your home or business premises.

However, one disadvantage is that galvanization does not last forever; eventually, the coating will wear off over time due to exposure to elements like sunlight and moisture. Therefore regular maintenance is necessary if you want your roof sheeting system’s longevity.

Polyester Painted Sheets

These sheets are made of high-quality steel coated with polyester paint, which provides excellent resistance against corrosion and weathering. The paint also gives the sheet a smooth finish that enhances its visual appeal.

One of the significant advantages of polyester painted sheets is that they come in various colors, allowing you to choose one that complements your building’s design or personal preference. These sheets require minimal maintenance as they do not rust or corrode easily.

However, it’s essential to note that while polyester painted sheets offer excellent protection against harsh weather conditions such as rain and wind, prolonged exposure to sunlight can cause fading over time. Therefore it’s crucial always to ensure proper installation by professionals who understand how best to position them on your roof for maximum longevity.

PVC Plastisol Sheets

These sheets are made from PVC resin, plasticizers, and stabilizers that provide excellent strength and flexibility. They come in various colors, thicknesses, and sizes to suit different roofing needs.

One of the significant advantages of PVC Plastisol Sheets is their ability to withstand extreme temperatures without cracking or warping. This makes them an ideal option for areas with harsh weather conditions such as heavy rainfall or snowfall.

Moreover, these sheets have a smooth surface that prevents dirt accumulation while making it easy to clean using water or mild detergents. They also offer good thermal insulation properties that help regulate indoor temperature by keeping heat out during summers and retaining warmth during winters.

When it comes to installation, PVC Plastisol Sheets can be easily cut into desired shapes using standard cutting tools like scissors or knives. They can also be fixed onto roofs using screws/nails/clips depending on the type of roof structure.

Bitumen Roofing Sheets

Made from bitumen, which is a sticky, black, and highly viscous liquid or semi-solid form of petroleum, these sheets are reinforced with fiberglass or polyester materials to increase their strength.

One of the significant advantages of bitumen roofing sheets is that they can withstand extreme weather conditions such as heavy rainfalls and high winds. They also have excellent thermal insulation properties that help regulate indoor temperatures by keeping heat in during winter months while reflecting sunlight during summer months.

However, one downside to using bitumen roofing sheets is that they require professional installation due to the complexity involved in laying them correctly. Improper installation can lead to leaks and other issues down the line.

Sheet Metal Roofing

It’s made from various metals such as aluminum, copper, zinc, and steel. Sheet metal roofs are known for their strength and durability against harsh weather conditions like heavy rain or snowfall.

One of the significant advantages of sheet metal roofing is its longevity; it can last up to 50 years with proper maintenance. It’s fire-resistant and energy-efficient since it reflects sunlight instead of absorbing heat.

However, one downside to consider when choosing sheet metal roofing is that it can be noisy during rainfall or hailstorms due to its hard surface. Also worth noting that installation costs may be higher than other types of roof sheets due to the need for specialized tools.

Polycarbonate Roofing Sheets

They are made from thermoplastic polymers that can withstand extreme weather conditions such as hailstorms and heavy rainfall. Polycarbonate sheets come in various colors, sizes, and thicknesses to suit different roofing needs.

One of the significant advantages of polycarbonate roofing sheets is their high impact resistance compared to other materials like glass or acrylic. This makes them an ideal option for areas prone to natural disasters such as hurricanes or tornadoes.

Another benefit of polycarbonate sheets is their excellent thermal insulation properties that help regulate temperature inside buildings by reducing heat loss during winters while keeping interiors cool during summers.

Moreover, these lightweight yet sturdy roof panels allow natural light transmission into the building without compromising on privacy levels. This feature makes them perfect for creating skylights or transparent roofs in commercial spaces like malls or airports where ample sunlight is necessary but not at the cost of security concerns.

Plastic Roofing Sheets

Made from high-quality plastic materials such as PVC or polycarbonate, these sheets come in various colors and designs that can complement any architectural style.

One of the significant advantages of plastic roofing sheets is their lightweight nature. They are easy to install compared to other types of roof sheeting materials like metal or concrete tiles.

They require minimal maintenance since they do not rust or corrode over time.

Another benefit is that plastic roofing sheets provide excellent thermal insulation properties which help regulate indoor temperatures during extreme weather conditions. This feature makes them ideal for use in areas with hot climates where air conditioning costs can be high.

However, it’s worth noting that while plastic roofing sheets offer many benefits; they also have some drawbacks you should consider before making your final decision. For instance, prolonged exposure to sunlight may cause discoloration over time if the material used isn’t UV-resistant.

Roofing Sheets Price Range in India

In India, you can find a wide range of roofing sheet options that cater to different budgets and preferences. For instance, corrugated metal sheets are one of the most affordable options available in the market while polycarbonate or PVC plastisol sheets tend to be more expensive due to their superior quality.

It’s important not only to consider your budget but also other factors like weather conditions in your area before making a purchase decision. Investing in high-quality roofing materials may cost more initially but could save you money down the line by reducing maintenance costs and increasing energy efficiency.

To get an idea of pricing for different types of roof sheets in India, it’s best to consult with local suppliers or contractors who specialize in roofing installations. They will be able to provide you with accurate estimates based on your specific requirements and help guide you towards choosing a product that fits both your needs and budget.

Frequently Asked Questions

What is the lifespan of a roofing sheet? The lifespan of a roofing sheet depends on various factors such as material quality, installation, and maintenance. Generally, most roof sheets last between 15-30 years.

2. Can I install roof sheets myself? It’s not recommended to install roof sheets yourself unless you have prior experience in roofing or construction work.

Improper installation can lead to leaks and other issues that may compromise your home’s structural integrity.

3. Which type of roofing sheet is best for thermal insulation? Polycarbonate and PVC plastisol are excellent options for thermal insulation due to their insulating properties.

4. What should I consider when choosing a color for my roof sheet? When selecting the color of your roof sheet, it’s essential to consider factors such as climate conditions in your area, energy efficiency needs (lighter colors reflect heat), aesthetic preferences and local regulations if any exist regarding building appearance.

Advantages and Disadvantages

It’s essential to weigh these factors before making a final decision on which type of roof sheet to install. For instance, corrugated roofing sheets are lightweight, durable, and easy to install; however, they may not be the best option for areas with high wind speeds or heavy rainfall.

Galvanized steel sheets are resistant to corrosion and can last up to 50 years with proper maintenance. However, they tend to rust over time if scratched or damaged.

Polyester painted sheets offer excellent color retention properties that make them ideal for buildings that require an aesthetic appeal. On the other hand, PVC plastisol sheets have superior weather resistance but may not be suitable in areas prone to fire hazards due as they release toxic fumes when burned.

Bitumen roofing sheets provide excellent waterproofing capabilities but can become brittle over time under extreme temperatures such as heatwaves or cold snaps.

Polycarbonate roofing is highly transparent allowing natural light into your building while still providing insulation against UV rays from sunlight; however it is more expensive than some other options like plastic roofs which do not allow any light through at all!.

Thermal Insulation

It helps regulate the temperature inside your home or business, keeping it cool during hot summers and warm in chilly winters. Some roofing sheets come with built-in thermal insulation properties, while others require additional layers of insulation material.

Polycarbonate roofing sheets are known for their excellent thermal insulation properties. They have a high R-value (a measure of thermal resistance), which means they can effectively prevent heat transfer between the interior and exterior environments.

Bitumen roofing sheets also offer good thermal protection due to their multi-layered construction that includes bitumen membranes reinforced with fiberglass or polyester fabric.

When selecting a roof sheet based on its insulating capabilities, it’s crucial to consider factors such as climate conditions in your area, building orientation and design, ventilation systems installed within the structure among other things. Properly insulated roofs not only provide comfort but also help reduce energy consumption by minimizing heating/cooling costs throughout the year.

Roofing Sheets Installation

Proper installation is crucial to ensure that your roof lasts long and performs well. It’s recommended that you hire a professional roofing contractor for the job as they have the necessary skills and experience.

Before starting with the installation process, make sure that all safety measures are in place. Wear appropriate protective gear such as gloves, helmets, and safety shoes.

The first step in installing a roofing sheet is preparing the surface where it will be installed. The surface should be clean of any debris or dirt before laying down any sheets.

Next up is measuring and cutting each sheet according to its required size using specialized tools like circular saws or shears designed specifically for this purpose.

After cutting each piece of metal into shape, lay them out on top of one another so they can overlap slightly at their edges – this helps prevent water from seeping through gaps between panels during heavy rainfalls!.

Maintenance and Care

Regular inspection can help identify any issues early on, preventing costly repairs or replacements down the line. Here are some tips for maintaining your roof sheets:

1. Clean regularly: Dirt, debris, and leaves can accumulate on your roof over time, leading to blockages in gutters or drainage systems.

It’s important to clean these areas regularly.

2. Check for damage: Inspect your roofing sheets periodically for signs of wear and tear such as cracks or holes that could lead to leaks.

3. Trim nearby trees: Overhanging branches from nearby trees can cause damage during storms or high winds; it’s best to trim them back before they become a problem.

4. Avoid walking on the roof: Walking on a metal sheeted roof may cause dents which will affect its durability over time.

Choosing the Right Roofing Sheet

When selecting a roofing sheet, consider factors such as durability, cost-effectiveness, thermal insulation properties, and environmental impact.

Corrugated metal sheets are an excellent choice if you’re looking for a durable option that can withstand extreme weather conditions. They are also relatively affordable compared to other types of roofing sheets.

If you want something more aesthetically pleasing with better thermal insulation properties than corrugated metal sheets, polycarbonate or plastic roofing sheets may be ideal options. These materials come in various colors and designs while providing good heat resistance.

Another factor to consider when choosing the right type of roof sheet is its environmental impact. Some materials like PVC plastisol have been criticized for their negative effects on the environment during production and disposal stages; hence it’s essential to choose eco-friendly alternatives like bitumen or polyester painted steel roofs instead.

Environmental Factors and Roofing Sheets

For instance, if you live in an area with high humidity levels or frequent rainfall, you’ll need a roofing sheet that can withstand moisture without rusting or corroding quickly. Similarly, if your region experiences extreme temperatures during summers and winters, you’ll want to opt for a material that provides adequate insulation.

Moreover, environmental concerns have led many homeowners and businesses to choose eco-friendly roofing materials such as polycarbonate sheets made from recycled plastic or metal sheets coated with reflective paint to reduce heat absorption. These options not only help conserve natural resources but also lower energy bills by reducing the need for air conditioning.

Availability of Roofing Sheet Materials

Some materials may not be readily available in your area or may come at a higher cost due to transportation expenses. It’s essential to research and find out which roofing sheet materials are easily accessible in your region before making any purchase decisions.

Fortunately, many types of roof sheets are widely available across the globe. For instance, corrugated metal roofing sheets are popular worldwide and can be found in most hardware stores or online shops.

Similarly, PVC plastisol and polycarbonate roofing sheets have gained popularity due to their durability and versatility.

However, some specialized materials such as bitumen roofing sheets might not be readily available everywhere but can still be sourced from manufacturers who ship them globally.

When choosing the right type of roof sheet for your project ensure that you consider its availability within your locality as this will affect both cost-effectiveness and convenience during installation.


What are the different types of roof sheets?

Different types of roof sheets include plastic (polycarbonate, acrylic, polystyrene, PVC), metal (steel, zinc), bitumen, polystyrene, and fibre cement.

Which type of sheet is best for roofing?

The best type of sheet for roofing is polyvinyl chloride (PVC) due to its durability, resistance to weather and chemicals, and low maintenance costs.

What is the most common type of sheet metal roofing?

The most common type of sheet metal roofing is Galvanized Steel.

Which roofing sheet is heat resistant?

Polycarbonate roofing sheets are heat resistant.

What are the advantages and disadvantages of various roof sheet materials?

Advantages and disadvantages of various roof sheet materials include diverse durability, weather resistance, and price points, making some options more suitable for given climates and budgets.

How do I choose the right roof sheet for my specific climate and environment?

To choose the right roof sheet for your specific climate and environment, consider factors such as local weather patterns, sun exposure, material durability, and insulation requirements.

What is the average lifespan and maintenance requirements for different types of roof sheets?

The average lifespan and maintenance requirements for different types of roof sheets are: CGI sheet (10-15 years, low maintenance), polycarbonate (10-20 years, low maintenance), fiber cement (20-30 years, moderate maintenance), and PVC (10-20 years, low maintenance).