Metal Roofing Installation: Step-By-Step Guide

Are you sick of needing pricey and ongoing roofing repairs every year? It's time to think about getting a metal roof installed. Due to its extreme durability, metal roofing can survive up to fifty years without upkeep.

This blog post will review all the information you require about installing metal roofing. Everything from the various varieties of metal roofing to how to get ready for installation, the equipment and supplies you'll need, installation methods, and important safety considerations.

We will also review the steps to maintain and care for your metal roof after installation to increase lifespan. To tackle the installation of metal roofing like a pro, let's get started with our thorough instructions.

What is Metal Roofing?

Metal roofing aims to shield a building from the elements by using metal pieces or tiles as the roofing material. Steel, aluminum, copper, and zinc are just a few metals that can be used to create metal roofing.

Protective coatings are typically applied to this material to stop corrosion and rust. Metal roofing is favored in both residential and commercial construction because of its strength, lifespan, and little maintenance needs.

In addition, it is a preferred option for new construction and remodeling projects because it is portable and simple to install. Along with its functional advantages, metal roofing can be tailored to fit the aesthetic of almost any building thanks to its availability in a wide range of hues, patterns, and finishes.

Types of Metal Roofing

Because of its long lifespan and lower maintenance requirements, metal roofing is an excellent long-term investment with a high return on investment.

However, Metal is a broad term that covers a lot of elements, and yet! that means you have an eclectic range of metallic elements to choose from.

You can choose a metal that possesses the highest compatibility with your structure. Some common options that you can come across while picking your new metal roofing panels are mentioned below. 

Steel

When it comes to different kinds of metal roofing, steel roofing is a well-liked choice that is available in galvanized steel, Galvalume, and stainless steel, among other forms. Galvanized steel is a sturdy option for roofing since it has a zinc coating to stop corrosion.

On the other hand, Galvalume is an aluminum-coated steel that can replace standard steel roofing at a lower cost. Stainless steel is a rare but beautiful material frequently utilized on famous structures like the Chrysler Building.

In addition, steel reflects sunlight, keeping a structure or residence cooler in the summer. Steel may last for several decades with adequate care and is resistant to hail, wind, and fire damage.

Aluminum

Aluminum roofs are a popular form of metal roofing material with various benefits over other roofing materials. It is a corrosion- and rust-resistant lightweight Metal that is a great option for tough weather situations.

Zinc is typically plated on aluminum roofing to stop corrosion and lengthen the lifespan. The complementary seam panels make aluminum roofs easy to install. Energy efficiency is one of the main advantages of aluminum roofing.

The quantity of heat the roof receives and transmits into the house is decreased thanks to aluminum's ability to reflect solar rays.

Copper

Copper is a metal roofing material used for millennia because of its durability, strength, and unusual aesthetic appeal. Copper roofing is frequently installed over a plywood or metal roof deck and is made from premium copper sheets.

One of copper roofing's most unique features is the natural patina. The greenish-blue patina that copper develops over time due to environmental reactions lends the roof's appearance, character, and depth.

In addition to enhancing the aesthetic appeal of copper roofing, the patina protects the Metal from the elements by coating it.

Zinc

Zinc is a particular kind of metal roofing material that has grown in favor recently because of its toughness and beauty. A naturally occurring patina, or aged appearance, gives the bluish-gray metal zinc a distinctive and alluring appearance.

Moreover, zinc is a very malleable metal, making it simple to work with and form into many shapes. This enables the creation of distinctive and imaginative roofing patterns that can enhance the exterior of a building visually.

The sustainability of zinc is another benefit. When zinc reaches the end of its useful life, it can be recycled and put to other uses. In addition, zinc production uses less energy than other metals in your existing roof, making it a more environmentally responsible choice.

Tin

Tin roofs have been used as metal roofing for ages since they are inexpensive and long-lasting. Tin roofing is frequently installed in sheets using either standing seam or corrugated techniques to create a watertight seal that aids in preventing leaks and other types of damage.

One advantage of tin roofing is it's lightweight, which makes it simple to install and reduces the load on the roof structure. Tin roofing is recognized for its durability and immunity to wind, hail, and fire damage. It can live for many years with proper maintenance and care.

How much does it cost to install Metal Roofing?

The cost of your new metal roof can vary depending on the type of Metal used, the roof's size, and the installation's complexity. The price of a standing seam metal roof, including the cost of the roofing material and installation labor, may generally be estimated to be between $8 and $14 per square foot.

Overall costs could vary based on the material from $3.10 to $29.65. A typical 3,000-square-foot roof can cost anywhere from $9,300 and $88,950 overall. There are no additional charges for licenses, insulation, or underlayment included in this pricing, only the supplies and the installation. 

It's crucial to remember that although a metal roof may initially cost more than other roofing materials, such as asphalt shingles, metal roofs are typically more resilient and long-lasting, leading to cost savings over the roof's lifespan.

Metal roofs can also lower energy expenses because they are frequently more energy-efficient than your old roof.

Preparation for Metal Roof Installation

You must take certain preparatory steps to ensure that your metal roof installation endeavor runs smoothly. One such necessary measure is to evaluate your roof pre-installation and check its condition to see if it can harbor your new metal roof.

You must ensure the roof deck is leveled and barrier-free for an even and efficient installation. If you want to protect your roof against moisture, a roofing underlayment is necessary.

Inspection of the Roof Structure

A crucial part of installing a metal roof is inspecting the roof structure. This procedure aids in ensuring that the old roof is sound and capable of bearing the weight of the new metal roof.

Visually checking the roof surface is the initial step in inspecting the roof structure. Look for any deterioration indicators, such as cracks, holes, or drooping. The surface on which the metal roofing will be put, the roof deck, should next be inspected.

Look for evidence of insect infestation, deterioration, or decomposition. These can undermine the roof deck and jeopardize the installation of the metal roof.

Finally, check the chimneys, skylights, and other roof penetrations that are already there. Proper preparation is crucial for a successful and long-lasting metal roof installation.

Measuring the Roof dimensions

The next step in your DIY metal roof installation is to figure out the measurements of your roof and the roof pitch. Precise length, width, and height measurements using standard prescribed tools will ensure the smooth insertion of metal sheets.

Choosing the appropriate Metal Roofing material

A successful and long-lasting metal roof installation depends on selecting the right metal roofing material. The correct metal roofing material has excellent durability, weather resistance, and energy efficiency.

In addition, different forms of metal roofing are more appropriate for various climates. For instance, copper roofing may not be suited for places with high quantities of acid rain, whereas steel roofing may be more susceptible to corrosion in coastal areas.

Another crucial aspect to consider when selecting a metal roofing material is the pitch, or slope, of the roof. While some materials, like corrugated metal roofing, may be preferable for low-pitched roofs, others, like standing seam metal roofing, are better suited to steeply pitched roofs.

Obtaining necessary permits

An essential step in constructing a metal roof is getting the required permits. Local building codes and regulations frequently demand permits to guarantee that the installation complies with structural and safety requirements.

Finding out the precise permission requirements in your neighborhood is the first step in acquiring permits for the construction of metal roofs. The local building department or permit office can obtain information on the necessary permits and the application procedure.

Once you have identified the relevant permits, you must apply along with any supporting documentation to the neighborhood permit office. This could contain a thorough explanation of the metal roof installation, metal roofing materials, plans or drawings, and details on the roofing installer or contractor. 

Tools and materials you need to Metal Roof Installation

Before beginning a metal roof installation, having all the tools and materials on hand is crucial. Carefully check your local construction codes and ordinances before installing metal roofing and making a shopping list.

However, we have compiled a list of some common materials you will require for your metal roof installation project.

Tools

• Tape measure
• Chalk line
• Roofing hammer or nail gun
• Tin snips
• Metal-cutting blade
• Drill
• Screwdriver
• Caulking gun
• Roofing brackets
• Ladder or scaffolding
• Safety equipment (safety glasses, gloves, hard hat, harness)

Materials

• Metal roofing panels
• Roof underlayment (such as felt or synthetic)
• Screws or nails (specifically designed for metal roofing)
• Ridge cap
• Flashing
• Sealant
• Foam closures (for sealing gaps between the panels and roof edges)

The installation process for Metal Roofing

It is crucial to adhere to the manufacturer's instructions and, if necessary, seek professional assistance to ensure a successful and durable installation.

Preparing the Roof surface

The roof surface must be properly prepared before installing metal roof sheets. To ensure a smooth and even installation, this also entails making sure the roof deck is level and free of obstructions. To further protect against moisture, it is advised to install a roofing underlayment.

Installing underlayment

It's crucial to install the underlayment properly while putting metal roof sheets. A layer of underlayment is positioned beneath the roofing panels to offer further defense against moisture.

In addition, the panels must be correctly spaced and aligned to achieve a waterproof installation. Properly installing the underlayment can significantly increase the lifespan and durability of your metal roof replacement.

Installing Metal Roof Panels

Although metal roof installation may appear like a do-it-yourself project, it requires specific tools, knowledge, and training. To guarantee that everything is completed securely and correctly, it is advisable to leave it to a professional roofer.

Depending on the materials used, installing a metal roof might cost between $5 and $13 per square foot.

Securing panels with screws and fasteners

Typically, metal roofing panels need a certain kind of screw or fastener made for use with metal roofing. Before attaching them to the roof, you must pre-drill holes in the panels where the screws or other fasteners will go.

Then, use the screws or fasteners to affix the panels to the roof after the holes have been bored. Next, install each additional panel similarly, gently overlapping each one to create a watertight seal.

Sealing roof penetrations and joints

Install flashing and sealants around roof penetrations, such as chimneys, vents, or skylights, before putting on the metal roofing panels.

First, the margins of the flashing where it meets the roofing panels should be sealed with a high-quality sealant. By doing this, a waterproof seal will be made, preventing water from penetrating beneath the metal roofing panels.

Next, apply a sealant to form a watertight seal where the edges or overlaps of metal roofing panels are. By doing this, water won't leak between the panels and harm the supporting structure.

Installing ridge caps

The ridge caps must first be cut to fit after being measured for length. Roofing panel metal is frequently used for ridge tops as well. Place the ridge cap to cover the space between the two metal panels at one end of the ridge.

Use screws or nails made especially for metal roofing to affix the ridge cap to the roof.

Safety precautions

While your new roof made of Metal may be durable, however, there are appropriate Safety measures that you must adhere to during your DIY session. Below are some tips you can keep in the back of your head.

• When working on a metal roof, you should always wear safety goggles, gloves, a hard hat, and non-slip footwear. Wear a safety harness when working at a height to prevent falls. 
• Use roofing-specific tools that are in good shape, such as ladders, scaffolds, and safety ropes. Verify that the ladder can sustain your weight and is positioned securely.
•  Avoid working on a metal roof when it's windy or rainy. Strong winds and wet metal roofs can make it challenging to keep your equilibrium.
• To prevent damage, raise heavy metal panels with your legs rather than your back.
• Exercise caution when working close to power lines or electrical equipment because metal roofs can conduct electricity.

Regular maintenance and care of the metal roof

A metal roof needs regular care and maintenance to preserve its life span and guard against any problems. Here are some pointers to keep your metal roof in good condition.

First, remove any dirt, leaves, or other debris that might collect on the roof regularly. This will stop water from becoming sucked in and harming the roof.

Check your roof frequently for indications of deterioration, such as dents, scratches, or rust. If you spot any damage, take immediate action to stop it from growing worse.

Finally, coat your roof with protective materials to help stop rust and other damage. Make sure the coating you select is suitable for your metal roof style.

Bottom Line

Installing metal roofing can be a do-it-yourself project if you have the necessary supplies and equipment. Installing drip edges at the eaves and measuring the roof are the first steps in the procedure.

Next, corrugated metal roofing panels should be installed square to the roofline and sealed with caulk or roofing sealant tape to keep out moisture and debris. Finally, the roof should be properly sealed and energy-efficient during installation.

These simple procedures will help homeowners install metal roofs with the least work and expense.

Frequently Asked Questions

What goes underneath a Metal Roof?

Underlayment, insulation, and plywood or OSB decking are typical building supplies. Insulation can assist in controlling temperature and offer soundproofing, while underlayment acts as a water-resistant layer.

Another layer that helps support the roofing material and keeps the metal roof in place is plywood or OSB decking. To choose the best materials for your metal roofing project, it is best to speak with a specialist.

How does thermal expansion affect Metal Roofs?

Thermal expansion can affect metal roofs as they are exposed to temperature changes throughout the day. When Metal heats up, it expands, and when it cools down, it contracts.

Over time, this cycle can cause metal roofs to expand and contract repeatedly, potentially causing damage, such as leaks or cracks in the roof.

To prevent this, it is important to choose the right type of metal roof for the climate and install it correctly in the best way to allow for thermal expansion and contraction.

How is metal roofing attached to the roof?

Depending on the type of metal roofing and the construction of the building, there are various ways to attach metal roofing to the roof. Among the most sought-after techniques for fastening metal roofs are screw fastening, clip fastening, adhesive bonding, and standing seams.

How long do Metal Roofs last?

Depending on the type of Metal your metal sheets are made of, the caliber of the installation, and the level of upkeep, metal roofs can endure anywhere between 40 and 70 years. Some metals, such as copper and zinc, can endure for over a century.

Regular care can increase a metal roof's lifespan by cleaning and quickly resolving any problems. Because of their strength and lifespan, metal roofs make a great long-term investment.