This article is all about what is roofing sheet is, the types of roofing sheets and also what are their properties, and what is the best type of roofing sheet to choose for your home. We will also guide you and give some basic tips to choose the best roofing sheet types according to your need and weather conditions where you live.
What is mean by a Roofing sheet?
The Indian roofing industry is shifting its demands from convectional types to modern and durable roofing sheet types.
So, types of roofing sheets have different types and properties so why roofing sheets are required. The roofing sheets became so popular because of these two reasons.
The first reason is the industrial growth in the Indian market and two is because of the consumers being dissatisfied with available conventional options. Customers are looking for more value for their investment in roofing sheets.
This created a great demand for roofing sheets so let us discuss the types and properties of these roofing sheets.
1. AC Roofing Sheets
Asbestos cement sheet is manufactured by mixing 15 percent of asbestos fibers and 85 percent cement. Asbestos fiber is evenly distributed and pressed with cement to form a long roofing sheet.
Although these sheets can be molded in any shape but usually formed in corrugation or piping structure to provide strength.
Asbestos fiber is very good at providing stiffness, rigidity to the sheet with less thickness.
But inhaling its smell for a prolonged time can cause some serious health issues like lung cancer, mesothelioma, and asbestosis. Nowadays since it affects health, fibers are getting replaced with asbestos material.
Benefits of AC roofing sheet
- It is a very cost-effective roofing sheet type.
- Its quality of highly durable makes it a durable roofing solution
- Asbestos cement sheets are very good at heat-insulating and increase the energy efficiency of your space.
- These sheets are highly resistant to fire and don’t burn easily.
- These sheets are very easy to clean and maintain.
2. Polycarbonate Roofing Sheets
Polycarbonate Roofing sheets are made from high-impact polypropylene resin and have an amorphous thermoplastic with carbonate groups in its chemical structures.
This roofing sheet type is much lighter in weight, durable, and resistant to cracks, and is available in a range of compositions and depths. Due to its transparency, this makes great roofing options for areas where you need ample sunlight like greenhouses, warehouses, carports, etc.
There are different types of polycarbonates roofing sheets are solid and textures, corrugated, and multiwall.
Benefits of Polycarbonate Roofing Sheet
- Lightweight, durable, and resistant to breakage and cracks.
- Allows ample light transmission capability makes it a great roofing option for areas demanding sunlight.
- Easier to handle and installation.
- The flexibility of carbonated sheets makes this prior choice in curved structures like domes.
- Polycarbonate sheets have aesthetic appeal & can enhance the overall architectural look of the space.
3. Aluminium Roofing Sheet
As the name suggests aluminum roofing sheets are made of aluminum mixing with other metals like zinc, and tin. Aluminum metal has the highest strength and is neither combustible nor flammable, making it an ideal type of roofing sheet.
Aluminum roofing sheets are high insulating and can withstand high winds, heavy rains, and fire so these sheets are more durable than others. These roofing sheets are available in a plethora of styles textures and colors. Less flexibility in aluminum limits this sheet’s usage in curvy structures.
Benefits of Aluminium Roofing Sheets
- It can reflect over 90 percent of the heat, making it energy saving, and can help to reduce your spending on energy utility bills.
- Aluminum roofing sheets are very good at resisting fire.
- It is sturdy and withstands severe weather conditions.
4. Plastic Roofing Sheets
Next on the list is plastic roofing sheets, less durability makes these sheets the least preferred option for roofing applications. These sheets are mainly used for garden sheds or for covering temporary structures. The price of the roofing sheets goes on increasing with the quality of the plastic used in the roofing sheets.
Benefits of Plastic Roofing Sheets
- They are light in weight, non-corrosive, flexible, and waterproof.
- Very easy to trim and can be used for DIY projects.
5. FRP Roofing Sheets
So, what is FRP roofing sheets? FRP stands for fiber-reinforced polymer or fiber-reinforced plastic. FRP sheets are a composite material made from a polymer and reinforced with fibers.
The polymers are mostly epoxy, vinyl ester, etc, and fibers are glass, carbon, etc. Fiber acts as reinforcement material and gives rigidity and helps to retain the molded shape. They are anti-corrosive have less maintenance cost.
The degree of opacity of the sheets can be controlled at the time of manufacturing, which helps to select the right sheet having the perfect amount of sunlight to deliver. FRP roofing sheet types are mostly used in the marine, aerospace, automotive, and construction industries.
Benefits of FRP Roofing Sheets
- Comes in different opacity provides you custom roofing solution according to your needs.
- FRP sheets are resistive against warp, rot, or decay from exposure to moisture or succumb to corrosion, insects, mold, or mildew.
- FRP material has low thermal conductivity, so these roofing sheets are good insulators.
- It has good impact resistance to keep its shape through heavy handling and usage.
6. PVC Roofing Sheet
Polyvinyl chloride (PVC) roofing sheet is made from a type of thermoplastic polymer produced by the polymerization of the vinyl chloride monomer. These sheets have features like weather-resistant, waterproof, and non-corrosive.
PVC sheets offer sturdy, and good strength roofing solutions suitable for offices and modern homes. Its property of high strength and flexibility provides aesthetic appeal and heavy roofing application. It is also known for durability, resilience, and ease of maintenance.
Benefits of PVC Roofing Sheets
- Great flexibility allows to mold it in any shape, maximizing its application in curved structures.
- Lightweight and high density provide insulation from noise and heat.
- Easy to install and maintain.
7. UPVC Roofing Sheets
UPVC stands for unplasticized polyvinyl chloride roofing sheet, which is made when no plasticizers are added to PVC material through co-extrusion technology processing. It is a multiple-layer sheet manufactured by mixing resins and PVC material with advanced equipment to ensure an additional margin of safety.
These sheets are hard and rigid with a little flexibility which differs from PVC sheets in their functionality.
Resin material on the surface makes it anti-aging color stable, it resists chemical corrosion of acid-alkali, and salt, etc. Due to the features of anti-corrosion, they are also best recommended to areas with high humidity and chemical vapors such as chemical factories food factories the farming like poultry piggery cattle farm
Benefits of UPVC Roofing Sheets
- UPVC features temperature is fire-resistant, recyclable, and provides protection from ultraviolet radiation.
- UPVC sheets absorb noise during rainy days.
- UPVC sheets do not conduct electricity.
- UPVC sheet has by direction attention performance on the geometric shape.
- UPVC sheets are hard to be burning fireproof is great anyone.
- UPVC sheet has lightweight easy to handle during installation.
- UPVC material can be recycled it is friendly to the environment.
8. GI Roofing Sheet
GI stands for galvanized iron sheets, in these types of sheets, iron or steel sheets were galvanized by zinc or zinc + aluminum to gain anti-corrosive properties.
Hot-dip galvanized and electro-galvanized are the main types of GI sheets, in addition to that, there are also colored galvanized steel sheets, printed galvanized steel sheets, and polyvinyl chloride laminated galvanized steel sheets. However, hot-dip galvanized sheets are common.
Benefits of GI Roofing Sheets
- The galvanizing process has a lower cost make these roofing sheets an economical option.
- Less maintenance cost, since galvanized steel sheets are virtually maintenance-free and last a long time.
- Since the galvanized coating has a unique metallurgical structure providing it outstanding resistance to mechanical damage in transport, erection, and service.
- The GI roofing sheets are suitable to install in coastal environments where the rate of corrosion is higher than in any other weather area.
9. PUF Roofing Sheet
PUF (polyurethane foam) Roofing sheets are made when high-density foams are sandwiched between the two sheets of similar material and size. Because these sheets consist foam in the middle, it has the highest level of thermal insulation property.
These sandwich roofing sheets are generally used where thermal insulation is the priority like food processing industry, ripening chambers, health centers, port cabins, etc
Benefits of PUF roofing sheet
- PUF roofing panels Can withstand wind velocity up to Maximum Level.
- Provides higher energy saving due to very low thermal conductivity.
- Great in reducing the effect of noise pollution.
10. Rubber Roofing Sheet
In the rubber roofing system, a layer of rubber also known as EPDM (ethylene propylene diene monomer) is cladded over the existing roofing with the purpose of making the roof waterproof and heat-resistant.
EPDM is ethylene propylene diene terpolymer, a synthetic rubber membrane that has ideal characteristics of heat, water, and air pollution resistance.
A rubber sheet is rolled over the existing roof and glues or taped with a specific binding material to form a single roof frame.
Benefits of Rubber Roofing
- EPDM is made from recycled materials, making it an environment-friendly roofing solution.
- Even if you find a crack or leak, it is very easy to fix simply by covering it with latex sealant.
- Rubber is very resistant to noise, making this roofing option most soundproof.
- Rubber roofing is very good at regulating heating and cooling inside the installed structure either by trapping heat or reflecting sun rays.
11. Bio-Composite Roofing Sheet
These roofing sheets are generally manufactured by using plant fibers mixing with synthetic resins. The fiber used in the production of Bio-composite roofing sheets is derived from the sisal, jute, banana, coconut, etc. This roofing option is the most eco-friendly and provides a cultural look to the building.
Benefits of Bio-composite Roofing Sheet
- As it is manufactured from the decomposition of plant fiber makes it is a very budget-friendly roofing option.
- Bio-composite roofing sheets are even made from recycled materials, which helps reduce your carbon footprint and protect the environment.
- Bio-composite roofing sheets are very good at repelling moisture, mold, and algae growth.
- You can easily replace a damaged portion of the roof when working with other roofing materials.
12. Bitumen Roofing Sheet
Bitumen roofing sheets as the name suggest are manufactured from fibers that have been saturated in bitumen. These roofing sheets adhere to the substrate with hot tar-based cement using blowtorches. Joints between adjacent sheets are also made with the same hot adhesive.
These roofing sheets are capable of bare both cold and hot temperature conditions. This construction is what gives these sheets their high tensile strength at a lightweight.
Benefits of Bitumen Roofing Sheets
- Bitumen Roofing Sheets have a high-tensile strength, making them resistive against cracks.
- Seams are usually melted together which doesn’t allow any space for leakage.
- If the roof does tear, it can repair quickly and efficiently through bitumen patches.
13. Bamboo Roofing Sheet
Bamboo roofing sheets are made from natural and sustainable bamboo sheets coated with resins. Bamboo roofing is an excellent alternative to corrugated metal, plastic, or asbestos roofing sheets.
Bamboo sheets are quieter in the rain and cooler in the sun than conventional metal or plastic sheets.
These types of sheets allow a historical and traditional look to your architectural structure. The corrugated bamboo sheets were coated with resins to protect them from external environments.
Benefits of Bamboo Roofing Sheets
They give an attractive and natural appeal and are easy to work with.
Bamboo roofing offers the coolest environment than any other roofing material.
Bamboo sheets are durable and strong with high resistance to weathering, fire, or insect attacks.
So just assess your exact requirements and budget before setting out to buy the most suitable type of roofing sheet as per your requirement along with conducting some research on your own.