What is the best type of corrugated roofing?

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If you are planning on building a carport or looking to finally re-roof your shed you may well be considering using corrugated roofing sheets on your project.

Easy to install, easy to handle, readily available and coming in a wide array of options; Corrugated roof sheets may just be the answer to your next DIY venture!  However, with a variety of corrugated roofing types on the market it is not always easy to determine which type of corrugated roof sheets you require for your specific roof project.

These are the main points to consider when considering using corrugated sheets on your project which hopefully will help you make a more informed choice about the type of roofing sheet which suits your needs best.

Most popular corrugated sheet options:

• PVC

• Stormproof

• Polyester

• Bitumen

• Metal

• Corramet

What is a Corrugated PVC sheet?

PVC corrugated sheets are often seen as a cheaper alternative to Polycarbonate sheets as they often have a lower retail price, making them a good clear corrugated plastic roofing option for projects on a tight budget! 

Naturally the lower cost of corrugated PVC roofing sheet is due to the fact that they are not as robust as Stormproof clear corrugated sheets so aren't as durable. However, PVC corrugated sheets are still a great lightweight clear solution for many different applications at home where a more budget option works fine. For example, on a garden pergola or gazebo a corrugated PVC sheet can often be the best option.

In summary, Corrugated PVC sheets are an ideal solution for areas that do not require high impact resistance but still require great light transmission and a degree of visibility. This is what makes PVC such a popular option for many outdoor, garden and carport roofs.

Key Benefits of Corrugated PVC Sheets:

• Low Cost
• Great Light Transmission
• Lightweight
• Ideal for DIY

Common Uses of Corrugated PVC Sheets:

• Small to Medium DIY Projects
• Lean-tos

What is a Corrugated Stormproof sheet?

Corrugated Stormproof Sheets are the strongest and most durable clear plastic corrugated roofing sheet available on the market today.

Manufactured from a very robust plastic resin, stormproof sheets are 200 times stronger than glass, of the same thickness, and provide a high quality finish. Corrugated Stormproof clear sheets are extruded from a similar material to the ever-popular solidwall and multiwall flat roof sheeting, which means they are virtually unbreakable!

Unlike cheaper alternatives, polycarbonate corrugated sheets have a UV Protection layer, which ensures they don't go brittle and provide superior light transmission and unrivalled clarity for many years. this UV protection makes them the best option for outdoor areas. When installed with the correct flashings and fixings, these Corrapol stormproof corrugated sheets can often have expected lifespans exceeding 20 years or more!

In addition to all these excellent qualities, Polycarbonate corrugated sheets are relatively lightweight and easy to cut and install, so are a win-win solution for both DIY and Trade corrugated roof projects! 

Key Benefits of Corrugated Stormproof Sheets:

• UV Protected
• High Impact Strength
• Virtually unbreakable
• Best of class light transmission and clarity
• Don't discolour or go brittle like cheaper alternatives
• Available in wide range of lengths

Common Uses 

of Corrugated Stormproof Sheets

:

• Medium to large garden projects and commercial projects
• Carports
• Canopies
• Pergolas
• Public Walkways
• Seating Area Covers
• Agricultural Buildings
• Car wash bay screens
• And many more!

What is a Corrugated Polyester sheet?

GRP or polyester corrugated sheets provide a somewhat unique mix of qualities! These sheets provide excellent strength and rigidity similar to that of clear polycarbonate sheets, however, they have a completely different visual style. It is worth noting that although they are as rigid as corrugated Stormproof sheets they aren't as unbreakable.

Due to the fibres contained in the GRP sheets, the level of light transmission is lower than that of other clear corrugated sheeting options creating a translucent finish. This is ideal for applications where a level of privacy is required or where you ae trying to create a more rugged style.

The fibrous design of corrugated GRP sheets makes them popular for more industrial-style applications. If you purchase corrugated polyester sheets manufactured in the same profile as your corrugated bitumen or corramet sheets they can be interweaved making it easy to create a rooflight in an otherwise solid corrugated roof.

Key Benefits of Corrugated GRP Sheets:

• Great Light Transmission
• Allows a degree of visibility while retaining privacy
• High Strength
• High Rigidity

Common Use of Corrugated GRP Sheets:

• Agricultural Buildings/Barns
• Garages
• Rooflights in corrugated bitumen roofs
• Sheds 
• Stable roof lights

What is a Corrugated Bitumen sheet?

Corrugated Bitumen roof sheets are without doubt the most competitively priced roofing solutions available to homeowners on the market today. Being one of the easiest roofing sheets to install, bitumen sheets are used in s of applications every single month.

Bitumen roof tiles are very lightweight, straightforward to cut and speedy to install on a wide range of roof types! This makes it easy for even inexperienced DIYers to create their own outdoor space or spruce up the garden shed roof with confidence!

As bitumen sheeting has great waterproofing qualities,  when installed correctly with the right fixings and flashings your roof will be maintenance free for many years and have a great life span!

Corrugated bitumen roofing is available traditionally in a variety of colours which are predominately black, brown, green and red. This range of colours gives you a lot of options, whether you are looking to complement your roof colours or looking to create some eye-catching contrast!

If you are installing corrugated bitumen roofing sheets on a longer term project then it is recommended to use a more robust premium bitumen sheet for maximum longevity.

Key Benefits of Corrugated Bitumen Sheets:

• Low cost
• Lightweight
• Easy to Cut to size
• Quick and simple installation

Common Uses of Corrugated Bitumen Sheets:

• Sheds
• Log Stores
• Children&#;s Playhouses
• Lean tos
• Chicken Coops

What is a Corrugated Metal sheet?

Corrugated metal sheeting is one of the more robust coloured corrugated options available on the market. Common corrugated metal sheets include tin corrugated sheeting and corrugated steel sheeting. If you are looking for sheets for a project that is likely to be exposed to extreme weather conditions or requires high levels of impact resistance then metal roof sheets could be your best option, however they do have some downsides. 

Firstly, it is worth keeping in mind that metal sheets can be a lot more expensive than the other options on the market and manufacturing lead times can be a lot longer! You will also find that metal roofing sheets will often be more difficult to cut to size and install. Even a seasoned DIYer may require some extra help - which can of course add additional cost!

The noise factor is also something to consider when thinking about installing metal sheeting. Without an additional insulating layer, metal sheets can be one of the noisiest options, especially in heavy rain!

Key Benefits:

• High Impact Strength
• Good Rigidity

Common Uses:

• Agricultural Barns
• Industrial buildings

What is a Corrugated Corramet Sheet?

Corrugated Corramet roofing sheets are a unique type of corrugated sheet that have great rigidity. Manufactured for a specially formulated plastic compound resin, Corramet sheets are designed to provide a strong and durable roofing solution.

An advantage compared to other solid colour corrugated roofing options is that corramet sheets are available in longer lengths including up to 3 metres and 4 metres. This makes them ideal for a wide mix of residential and agricultural projects, such as stable roofs, shed roofs and log stores.

Another key advantage compared to corrugated metal sheets is that corramet corrugated sheets are available with a fast delivery lead time of only 1-3 days. This saves you from having to wait weeks to start your roofing project! What's more, corramet sheeting is made in a corrugated profile that is compatible with all Rock N Lock Flashings (Gable, wall and top wall flashings) making installation a straightforward process. In addition for Apex roofs, this type of corrugated sheet work with the Super Ridge system making it perfect for ridged applications, like sheds or  barns.

Key Benefits:

• Available in longer lengths
• Great Rigidity
• Supplied with colour-matched fixings
• Compatible with Rock n Lock flashings for easy install

Common Uses:

• Garage roof replacements
• Sheds
• Barns

In conclusion &#; What is the best corrugated roofing sheet?

Possibly frustratingly, it really does depend on your application! However, depending on whether you require clear or solid colour sheets there are two clear winners:

If you require clear corrugated sheets for your project, then a polycarbonate option such as Corrapol Stormproof is clearly the best option, as this will provide you with a much longer life expectancy than cheaper PVC options and the best lifetime cost.

If however, you require a solid coloured corrugated sheeting option then it is best to look at a premium Corramet corrugated sheet. Corramet sheets provide a great robust solid option without the difficulties of metal sheets!

For a more budget solid coloured corrugated sheeting it is worth considering a bitumen roof sheet, such as Awnapol Premium Bitumen sheets or Corrapol BT DIY Grade Bitumen Sheets. Bitumen sheets are one of the most popular options on the market due to their ease of installation and low cost.

Best Corrugated Roofing Sheets Based on Budget

Solid Colour Corrugated Roofing Type:

Small Budget - Bitumen Corrugated Sheet

Medium Budget - Corramet Corrugated Sheeting

Clear Corrugated Roofing Type:

Small Budget - PVC Corrugated Sheet

Medium Budget - Stormproof Corrugated Sheet

Installing Corrugated Roofing Sheets

Regardless of which sheets you decide to use on your roofing project, there are a lot of similarities in both the installation process and the options you have in terms of fixings and accessories.

Below we shall quickly run through some of the commonalities between these and how you can use similar practices when choosing your fixings/accessories, and in installation.

What corrugated fixings & flashings do I need?

When considering your corrugated roofing project there are some key accessories that you want to make sure you haven&#;t missed! These are similar across most corrugated roofing options, with the exception of metal sheets.

Most importantly you will want to ensure you have the correct number of corrugated eaves fillers and corrugated roof fixings for your project:

How many eaves fillers do I need?

As a general rule of thumb, you will want at least 2 eaves fillers per sheet, one for each of the lower and upper purlins. It is always an advantage, however to have these on each of your cross-purlins to ensure an even compression level across the sheets and to provide additional strength to the corrugations.

How many fixing do I need?

This is not as straightforward as it can depend on so many factors such as pitch, location, exposure to weather and the underlying structure. However, generally speaking, it is advisable to have a minimum of 20 fixings per sheet, with most installers having between 30-50 per sheet. Ensuring these fixings are fitted to the peaks of the corrugations!

Are Corrugated Sheets easy to install?

Yes, most corrugated roofing sheets, with the exception of metal sheets, are easy to install and have a similar installation process. These are often tackled by DIYers and with the correct step-by-step guide to hand are relatively straightforward to install.

Corrapol Clear Installation Guide
Corrapol Bitumen Installation Guide

How many roof sheets do I need?

This is a common question asked when thinking about your project, but with a simple calculation, you can determine how many sheets you will require for your Corrugated Roof.

For example, if you had a roof that was 9 metres wide by 1.5 metres deep/long you would simply divide the width of your roof by the coverage width of a sheet.

The coverage width of most corrugated Roof Sheets is 855mm when allowing for one corrugation overlap or 760mm if you are allowing for two corrugation overlaps.

Therefore: mm ÷ 855mm = 9.35

Next, round up the number to ensure full coverage, meaning in this example you would require 10 roof sheets across the width of your roof.

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Then you must ensure you have enough coverage down the length/slope of your roof. To do this, simply divide the total length by the length of the sheet then round up to ensure you have sufficient coverage.

 

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Are you looking for reliable and affordable roofing material for your home or business? Look no further than corrugated Roofing! This durable and versatile material is perfect for protecting your property and comes in various styles and colors to fit your needs.

In this guide, we'll cover all the basics of corrugated Roofing, from the benefits and drawbacks to the different types and installation options available. We'll also provide tips on choosing the right material for your needs and budget.

So let's get started and explore the world of corrugated Roofing!

What is Corrugated Roofing?

Corrugated metal roofs are a durable option for roofing structures. They are available in various materials and profiles, such as steel, aluminum, and polyethylene.

Corrugated metal roofing is weather-resistant, with panels and ridges for added structural integrity. This makes it the best choice for buildings that withstand harsh outdoor conditions. Corrugated metal roofing is a popular option for its durability and weather resistance.

In addition, it has benefits over other types of roofs, such as metal shingles, in several ways. One major advantage is its cost. Corrugated metal roofs are cheaper than metal shingles and last 30 to 45 years, whereas metal shingles last 40 to 80 years but are more expensive.

Also, corrugated metal roofs can be installed quickly compared to the process required for installing metal shingles.

Types of Corrugated Roofing Sheets

Galvanized corrugated Roofing

Galvanized corrugated roofing sheets are metal sheets made from steel hot-dipped in a protective zinc coating. The zinc coating is a barrier that protects the sheets from rust and corrosion.

The sheets come in various widths and lengths and are typically used to cover roofs, walls, and other structures. They are relatively inexpensive and easy to install.

Polycarbonate corrugated roofing

Polycarbonate corrugated roofing sheets are more rigid and durable than metal sheets. These roofing sheets can be used in various projects, including roofs, walls, sheds, and greenhouses. They are cost-effective and require less maintenance than metal sheets.

However, there are some drawbacks to using polycarbonate corrugated roofing sheets. For example, they can be expensive compared to metal siding sheets. Additionally, they require special installation methods if they are to be used in wet or cold climates. 

Asphalt corrugated roofing

Asphalt Corrugated Roofing is a durable alternative to asphalt shingles, lasting up to 45 years. It is constructed from metal panels secured with screws requiring more maintenance than metal siding. This type of Roofing can be used for commercial buildings, while metal shingles are better suited for homes.

Corrugated metal roofing panel is cheaper than metal shingles and a great value for durability and cost-effectiveness. Asphalt Corrugated Roofing is the best option for projects that require a lasting and cost-effective roofing solution.

Stainless steel corrugated Roofing

Stainless steel corrugated roofing sheets are one of the most popular types of roofing sheets and are used to provide a durable and attractive finish to various roofing projects. They are made from a strong and durable material for an underlayment that is resistant to corrosion and weathering, making them ideal for use in unpredictable weather. The unique texture of the corrugation wall panel adds an interesting visual element to the roof while also providing superior strength and durability. Additionally, stainless steel corrugated roofing sheets are available in various colors and finishes, making them a great choice for any style of home or building.

How much does Corrugated Roofing cost?

On average, the cost of corrugated Roofing can range from $3 to $7 per square foot for materials only. This includes the cost of the metal panels, fasteners, and sealants.

However, installation costs can add significantly to the project's overall cost. The installation cost of corrugated Roofing can vary depending on the contractor's fees, the project's complexity, and the property's location. Installation costs can range from $2 to $5 per square foot.

This means that the total cost of a corrugated roofing project can range from $5 to $12 per square foot. Corrugated Roofing comes with a 30+ years warranty.

The installation process of Corrugated Roofing

Pre-installation preparation

Corrugated roofing sheets are commonly used for various projects, including roofs and wall cladding. Before installing corrugated Roofing, you must prepare by cutting the panels to length and pre-drilling holes on the end and side ridges.

You should also review the detailed instructions provided with the material and ensure you follow all safety precautions while working with it. Corrugated roofing materials, such as asbestos cement, were popular in the past but can be hazardous now.

Instead, it would help if you considered using PVC or metal sheets for your project.

Gathering tools and equipment

Corrugated Roofing can be used for roofs, walls, and cladding on various structures. It is made up of many layers of corrugated sheet metal. Each layer has a smooth inner surface and a corrugated outer surface, which creates a unique texture.

The final product has strength and durability compared to other materials. To successfully install corrugated Roofing, you will need cutting tools and equipment such as wire cutters, saws, and screwdrivers.

Installation steps

To install corrugated Roofing, the panels must be cut to length, pre-drilled holes must be drilled on the end and side ridges, and screws must be put in place to secure them to the purlins.

Corrugated cement-asbestos roofing was popular in the US from the s&#;the s due to its durability and fire resistance. Corrugated roofing sheets can be used for projects with pitches as low as 5° and as wall cladding for sheds, greenhouses, and storage facilities.

Finishing touches

Corrugated roofing sheets are available in various materials, such as PVC, steel, polycarbonate, and fiber cement. This makes it suitable for various applications, from small residential roofs to large commercial and industrial buildings.

In addition, corrugated roofing sheets are often used in carports, sheds, and other structures that provide ideal weather and impact resistance. The finishing touches to a successful corrugated Roofing installation include cutting the sheets to length and pre-drilling holes to fasten the panels to purlins.

These steps ensure that the roofing panels stay aligned across the roof and attached.

Maintenance Tips for Corrugated Roofing

Regular inspection

Corrugated Roofing is a popular and cost-effective solution for various applications due to its long-lasting performance and versatility. Despite being built to withstand extreme weather conditions, it still requires regular maintenance and inspection to ensure it functions as intended.

In addition, proper maintenance can help prolong the life of your corrugated roofing sheets.

Cleaning

Corrugated Roofing is a durable solution for various structures, including sheds, carports, and warehouses. It is made from a metal panel and has a unique corrugated form that maximizes its strength and prevents pooling and leaks.

The corrugated form of Roofing also makes it lightweight and easy to handle and install. Corrugated sheets can be used for roofs with low pitches, lightweight structures, and wall cladding.

Debris removal

When installing corrugated Roofing, pre-drill holes 6&#;8 inches apart and screw down directly onto purlins. This prevents the screws from backing out and helps create a secure attachment, just like a standing seam.

It also allows the installer to place the panels onto the roof deck precisely. Use only galvanized or stainless steel screws when installing Corrugated Roofing for best results.

Repairs

Corrugated metal roofs require regular maintenance to ensure they remain in good working condition. These roofs should be checked regularly for signs of wear and tear, such as loose or missing fasteners and moisture damage.

In addition, the sheets must be properly secured to avoid leaks and damage. It is also important to regularly clean the roof surface to remove accumulated debris and prevent dust and dirt buildup. 

Professional maintenance

For a DIY installation, it is best to use an installer with proven expertise installing this type of seam roofing. Corrugated sheet metal roofing requires more maintenance to ensure that screws stay secured.

This type of Roofing also needs a periodic inspection to ensure it functions correctly. However, proper care and regular inspections can last up to 30-45 years. A professional maintenance service can help with this task and reduce the risk of costly repairs.

Pros & Cons of Corrugated Roofing

Pros

Corrugated metal roofing is a durable and weather-resistant option for year-round protection. It can be used to build sheds, stables, warehouses, and more. It is a low-cost option, ideal for projects that require a quick and cost-effective solution.

The material is versatile and can be used in residential and commercial applications. It can last up to 30 years with proper maintenance. Corrugated copper roofing has high energy efficiency and is resistant to rust and extreme weather conditions, making it a good choice for projects requiring long-term protection.

Besides, options are available in various materials, colors, profiles, thicknesses, and sizes to suit your project needs.

Cons

Corrugated Roofing can be noisy during rain, hail, or snowfall, which may concern some homeowners. Metal corrugated roofing can be susceptible to dents or damage from hail, fallen branches, or other impacts.

Corrugated Roofing may experience condensation buildup on the underside of the panels, which can lead to moisture damage and mold growth if not properly addressed. It requires regular maintenance to prevent the buildup of debris or algae, which can damage the panels over time.

Bottom line

With so many options and variations, it's no wonder that corrugated Roofing is one of the world's most popular types of roofing materials. These days, you can choose from a wide range of affordable, sustainable, and eco-friendly options that are well-suited for various applications.

From agricultural to industrial buildings, commercial to residential premises, and more, a type of corrugated roofing sheet (CRS) is right for your building. So which option is ideal for your building? Let us know in the comments section below!

Frequently Asked Questions

How long does a Corrugated Roof last?

A corrugated metal roof can last over 40 years with proper installation and maintenance. In addition, it is often two to three times longer than a typical non-metal roof, providing unparalleled strength and longevity.

A National Roofing Contractors Association study found that corrugated metal roofs can last for 50 years or more, providing tremendous value to your home and lowering insurance rates due to their fire resistance.

What is the best type of Corrugated Roofing?

You can choose from various materials when it comes to the best type of corrugated Roofing. Some common choices include PVC, galvanized steel, polycarbonate, fiber cement, and bitumen.

As far as roofing materials are concerned, corrugated metal roofing is a popular and durable option. It is easy to install and is naturally resistant to rust and weather conditions. Corrugated copper roofing has high strength-to-weight ratios and is weather-resistant.

It is suitable for various applications, including carports, garden buildings, sheds, commercial warehouses, and agricultural buildings.

Which is the cheapest Roofing Sheet?

While there is no one "cheapest" roofing sheet, Lowe's offers a variety of options that are lightweight, fire-resistant, and energy-efficient. In addition, metal roofing can be made of different types of metals with unique features and pricing.

The most popular type of metal roofing is durable steel, which has galvanized, Galvalume, or stainless steel options and ranges from $3.35 to $5.50 per square foot.

Which is better: metal or fiberglass?

When it comes to metal or fiberglass roofs, there are pros and cons to each. Here are some of the major factors to consider. Metal roof panels are cheaper than fiberglass roofs and can last 30 to 45 years.

They also have a unique look that can stand out from the rest, making them a popular choice for homes. However, metal roofs are more expensive than fiberglass roofs, and installation can be difficult.

Fiberglass roofs are better for commercial buildings because they're more resistant to weathering and tear.

For more information, please visit PC Corrugated Sheet.