Metal Stud Framing: Sizes, Uses, and Installation Tips

Use leveling tools to ensure precise measurements of the metal studs. The studs should have gaps less than ⅙ inches from the top and sole plates. If the gaps are bigger, the weight of the walls is transferred to the screws. It results in a weak frame that might not hold up over time.
Metal studs are available in various widths and heights. It’s worth knowing the right size for your walls before purchasing.

What Are Metal Studs?

Metal studs are suitable for any type of buildings, from houses to commercial buildings due to their strength and durability. Metal stud framing is a construction method that uses tracks, metal studs, and other elements. The framing method is best for partitions, ceilings, and structuring interior walls.
Electrical cables should run along each stud’s center line. Screwing the cables using plastic ties bundles them together and secures them to the studs. Before running the cables through, insert plastic cable bushing into the holes. It protects the wires and pipes from rubbing against the studs’ sharp edges.
Here’s a list of tools you may require for metal stud framing:

The Perks of Using Metal Studs

It’s a cost-effective and easier-to-install frame. The metal stud construction is also lighter in weight than steel frames or wood. There are specifications to follow when installing a metal stud framing. You can DIY install the metal stud framing with the right tools and techniques.

• Cost Effective: Their ease of installation and lightweight design makes them cheaper than wood frames. Metal studs are recyclable; hence, they’re more eco-friendly than other options.
• Better Soundproofing & Insulation: Their tight construction reduces air movement and sound transfer between rooms. The soundproofing qualities of metal stud framing make it ideal for industrial and residential projects.
• More Fire-Resistant: Metal stud framing is more fire-resistant than wood. It has a galvanized coating, making it hold up well against flames. Unlike wood, metal studs aren’t prone to temperature, moisture, or termite damage.

Standard metal stud sizes are 1 ⅝, 2 ½, 3 ⅝, 4, and 6 inches. They also vary in thickness, from 14 to 26 gauge. Consider the size of the building before choosing the ideal size. Building a large structure requires thick metal studs with a wide web size. For small structures and non-bearing walls, thinner studs would suffice.

• Durable: Metal studs offer a more durable, long-lasting structure than wood framing. Proper installation and sealing make them less prone to cracking or warping. Their resistance against rot or mold growth makes them remain intact.
• Versatile: Metal stud framing is ideal for various construction needs. It frames walls, subflooring systems, and ceilings. Metal studs are also suitable for different industrial projects. They reinforce both interior and exterior walls.

Dimensions for Metal Stud Walls

A stud-framed wall is used to partition offices and apartments. A double-stud partition is essential when creating a thick wall with insulation. Metal studs create a house’s main frame according to the architectural plan.
Use aviation snips to cut metal studs to the desired length. Cut both sides with snips and score a line on one side. Then bend the stud back and forth till it breaks apart.
Manufacturers make structural and non-structural metal studs. While structural studs are used for load-bearing walls, non-structural studs are suitable for ceilings, soffits, and non-bearing walls. Manufacturers aid contractors in choosing and the installation process of the studs. They also advise on the ideal fastener size and spacing between studs.

Metal Studs Framing Tools

Communities update the codes often, so it’s crucial to keep up to date. Through InspectToProtect, you can learn the building codes in your area before installing metal studs.

• Hammer
• Level
• Utility knife
• Tape measure
• Screwdrivers
• Saw
• Cordless drill
• Pole sander
• Metal snips
• Stud finder
• Notched trowel
• Handsaw

Metal Stud Sizes

Metal studs are available in different sizes, widths, flanges, knockouts, and thicknesses.

Standard Metal Stud Sizes

Circular and miter saws are also great alternatives. But they’re noisy and release metal shavings. When using a miter saw, wear protective goggles and hearing protection.

• 2 1/2 inches
• 3 5/8 inches
• 4 inches
• 6 inches
• 8 inches
• 10 inches
• 12 inches
• 14 inches

Nominal sizes are used to identify metal studs. But they’re not the actual dimensions of the studs.

Nominal Metal Stud Sizes

These sizes refer to the width of the stud. The thickness of the metal can vary, with the most common being 25 gauge and 20 gauge.

• 2✕3
• 2✕4
• 2✕6

Flange Sizes

When installing metal studs on doors, leave a 3-inch gap. The gap helps fasten 2✕4 wood bucks for hanging the door. Lower gauge metal studs are made from thicker steel. A 25-gauge steel, for instance, is thicker than a 20-gauge stud.

• 1 ¼ inches
• 1 ⅜ inches
• 1 ⅝ inches
• 2 inches
• 2 ½ inches
• 3 inches
• 3 ½ inches

How to Read Metal Stud Sizes

Their impermeability makes it difficult to hang decorative wall hangings after framing. The contractor installs wood blocking in the metal framing for any wall hangings. The wood blocking allows nails and screws through when fixing kitchen cabinets and other objects.
Studs also come in handy when you need more partitioning in the future. Builders use studs on multiple-story buildings. Studs also customize garages and half-walls.

How to Determine the Right Metal Stud Size for Your Project

The three main components of a metal stud wall frame include:

Framing Thickness

Metal stud framing costs an average of to per square foot. Lower gauge metal studs cost more than higher gauge types because they’re thicker. Labor costs, the size of the building, and the type of metal stud also influence the final costs.
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Load-Bearing Requirements

A metal stud is a structural component that builders use to construct interior walls and ceilings. Most metal stud frames are either made of aluminum or galvanized steel. They’re sturdy, lightweight, durable, and common in commercial or industrial construction.

Local Building Codes and Regulations

Metal studs are lightweight and easy to transport than wood studs. Unlike metal studs, wood is prone to bending, warping, and rotting in high-moisture rooms. Metal studs are more suitable for load-bearing walls and frames. They tend to support more material weight.
Metal studs have some benefits, making them more suitable than wood or galvanized steel framing.

Price

Manufacturers include color markings on metal studs to help in identifying the stud size. For the metal studs’ actual dimensions, you can use a micrometer.

Size

The spacing of the metal studs affects the strength and weight it can hold. Most builders erect metal studs 16” apart from one center to the next. Other design plans allow placing the metal studs 24” inches on center.

Manufacturer’s Recommendations

The next three numbers show the metal thickness in 100th inches. In this case, 162 translates to 1 ⅝ inches. The last digit, 43, represents the minimum base metal thickness in mils. Plus, the metal stud would be 0.043 inches thick.

Design Plans and Architectural Specifications

Most manufacturers label their metal studs in a series of digits. For instance, 300 S 162 43. The first three digits represent the web size in 100th inches. S represents stud, so it’s a 3-inch flange metal stud.

Main Components of a Metal Stud Wall Frame

Local communities have building codes to ensure strong structural integrity. The codes protect the occupants of the building from natural disasters and extra damage costs.

• Track: the tracks function as the top and sole plates. Sole plates fix the frame to the floor, while top plates attach the studs to the ceiling. Top plates are attached to the ceiling joists or noggins if the joists are unevenly positioned.
• Stud: vertical studs are fitted between the top and sole plates. They form the interior and exterior framing of the house. Metal studs are durable and strong. They can hold up cabinets, doorways, door frames, etc.
• Noggins: noggins are small pieces fixed between the tracks. Metal stud framing uses one row of noggins since they are more rigid than wood.

Metal Studs Gauge Chart

A structural engineer should determine the spacing to ensure proper distribution of weight. The flange and lip size are also worth considering when installing the metal studs.

Metal Studs Installation Tips

Cut and Bend Metal Studs Using Proper Tools

The side sections (flanges) of metal studs vary in width.
Exterior load-bearing walls need 16 or 18-gauge metal studs. They support the roof’s weight and evenly distribute the load to the foundation and soil. As per the International Residential Code (IRC), bearing walls should have a maximum spacing of 24 inches. Interior bearing walls should be at least 8 inches thick.

Use a Level to Maintain the Right Alignment

The standard widths for metal studs are 2 ½ and 3 ⅝, but custom dimensions are available upon request. A metal stud’s height depends on the area of installation. Metal studs are also available in different thicknesses.

Align the Precut Holes for Wiring and Plumbing

Space load-bearing metal studs at 24 inches centers to maintain the structure’s stability. The studs could be spaced 16 inches from center to center for interior walls. Spacing allows for the installation of drywall and baseboards along the frame. Install the studs in the same direction for easy wiring.

Leave Some Space Between Studs to Enhance Stability

Metal framing studs provide vertical support to a wall. They range from 2-14 inches wide. 3 ⅝-inch wide studs are the most common for commercial doors and window bucks.

Metal Studs vs. Wood Studs: Which Is Better?

Metal studs are also suitable for earthquake-prone areas and environments with high moisture levels or wind. They require less maintenance over time.
The standard metal stud sizes are:
Metal stud sizes and widths are standardized and come with knockouts for wiring and plumbing. But, metal studs can be challenging to install since only drywall screws penetrate through.

Besides framing walls and ceilings, metal studs also reinforce existing structures. Metal brackets or clips join studs together while screws and bolts fasten them. Metal studs are effective at supporting wiring, piping, and drywall insulation.