Installing drywall and how to build a wall and ceiling explained in detail

Plasterboard has become one of the leading materials for construction and renovation thanks to its versatility, fast installation, and clean finish. From building interior partitions to creating suspended ceilings or cladding walls, working with laminated gypsum boards makes it possible to transform any room without the need for complex construction work or lengthy drying times. 

That is why installing plasterboard is the preferred option for both professionals and DIY enthusiasts who want to renovate their homes practically and efficiently. 

In this article, we reveal all the secrets you need to install plasterboard like a professional: how to build a wall or ceiling and what tools and equipment will be essential to achieve an impeccable result.

What exactly is plasterboard

Before addressing the technical aspects and learning how to install plasterboard, it is very useful to pause for a moment to understand what we are dealing with. 

Although we use the term "plasterboard sheetsgenerically, we are actually referring to laminated gypsum boards (PYL), a construction system that combines a gypsum core with outer layers of special cellulose. 

This composition makes it possible to achieve smooth, versatile, and robust surfaces that can be transformed into anything from a designer shelving unit to a partition with high acoustic performance.

Advantages over traditional construction

Installing plasterboard instead of brick is not a passing trend, but a practical decision based on efficiency. Anyone planning a renovation wants to optimize resources and minimize disruption, and this is where dry construction makes the difference.

• Installation speed: Installing plasterboard is not only fast; it also drastically reduces the time required by eliminating the waiting periods for cement or wet plaster to set.
• Clean construction: Since it is a dry process, the amount of rubble and dust generated is minimal compared with traditional masonry, making it easier to live alongside the renovation.
• Effective insulation: One of the great advantages of installing plasterboard on a wall is the creation of an intermediate cavity. This space is ideal for housing rock wool or fiberglass, enhancing thermal and acoustic comfort without the need to build excessively thick walls.
• Perfect finishes: The boards provide a level of flatness that is difficult to achieve with manual plastering, leaving the surface ready to paint with minimal effort.
• Integrated installations: The metal structure itself serves as a channel to safely and aesthetically conceal electrical wiring and pipes.
• Types of boards by room

Before installing drywall at home, we should think a little about planning. There are many different types of drywall, and each manufacturer identifies the properties of each board with a color code on the surface. Before installation, consider which type is most appropriate for your specific situation: 

Standard board (white or gray)

This is the basic and most economical drywall option, designed for dry rooms. It works perfectly in living rooms, hallways, or bedrooms where there is no risk of moisture and no specific fire-protection requirements.

Moisture-resistant board (green)

Its treatment with silicone oils reduces water absorption, making it an essential material in damp areas. If your project involves installing a drywall ceiling in a bathroom or kitchen, this is the only viable option. It can withstand ambient humidity, although it is not designed for direct and continuous contact with water without additional waterproofing.

Fire-resistant board (pink or red)

It incorporates fiberglass into its core to withstand high temperatures. Its use is highly recommended, and sometimes required by regulations, in areas such as chimney surrounds, industrial kitchens, or public buildings that require greater passive fire protection.

High-hardness board (yellow)

Thanks to its greater density, it withstands impacts much better than standard board. It is ideal for installing drywall in high-traffic areas, such as schools, hospitals, or narrow entryways where walls are continually exposed to scuffs or furniture impacts.

Project planning: time and budget

Once the materials have been selected, success depends on organization. The installation process follows a fixed logical sequence: measuring, assembling the framework, installing the insulation, securing the boards, and treating the joints. Skipping steps or changing this order often complicates the final finish.

In economic terms, installing drywall is very competitive. Although the cost of the materials, including boards, framing, screws, and joint compounds, may be slightly higher than that of brick and plaster, the savings in labor hours balance things out. 

In addition, good planning makes it possible to cover a standard room in one weekend, always respecting the drying times of the joint compound, which is an undeniable advantage for any home project.

Tools and materials needed before getting started

Let's see what the hand tools y building materials needed to install plasterboard professionally. 

The structure and fasteners: the system's skeleton

Installing plasterboard follows a very specific assembly logic, similar to a construction kit, where each piece performs an irreplaceable structural function. To shop wisely at the building-supply store, it is worth becoming familiar with the technical terminology.

Metal framing

Galvanized steel forms the basis of the entire assembly. If the goal is to install plasterboard on a wall, we will need tracks and studs. The tracks are U-shaped and act as guide rails fixed to the floor and the original ceiling. The C-shaped studs fit vertically inside the tracks and support the weight of the boards; their perforations also facilitate the passage of electrical installations.

The situation changes slightly when installing a plasterboard ceiling. Here, the usual framing consists of furring channels (often referred to as TC-47 or similar) and perimeter angle profiles. These elements, attached to the structural slab with rods and hangers, create a sturdy grid suspended in the air.

Specialized screws

A common mistake with hardware when installing plasterboard, people often use wood or standard screws. The system requires fasteners designed for this purpose. On the one hand, there are PM (plasterboard-to-metal) screws, phosphated black to withstand moisture from the plaster and with a trumpet-shaped head to avoid tearing the paper. 

On the other hand, MM (metal-to-metal) screws, also called “stitching screws,” are small, have a drill-point tip and a wide head, and are used exclusively to join metal profiles to one another.

Interior insulation

To take advantage of the system's thermal and acoustic properties, the space between the studs must be filled with mineral wool (rock wool or fiberglass). This material must be exactly thick enough to fill the cavity without being compressed, ensuring the room's final comfort.

Materials for joint treatment

The taping stage determines the final appearance. To join the plasterboard sheets and to make the surface appear seamless, joint compound and tape are used. Although self-adhesive mesh tape may seem simpler, microperforated paper tape offers greater tensile strength and better prevents cracks in the long term.

Regarding joint compound, there are air-drying options, which come ready to use in a tub and allow you to work at your own pace, and powdered setting compounds, which harden through a chemical reaction in a short time. 

For anyone starting out with plasterboard installation, ready-mixed joint compound or slow-drying compound is usually easier to work with. Do not forget the corner beads, profiles that protect external corners from knocks and ensure a straight, clean edge.

Tool kit for installation and finishing

You do not need to invest in industrial machinery to install plasterboard, but you do need tools that provide precision. The measuring tools are the starting point: a sturdy tape measure and a long spirit level are essential. However, a laser level makes it much easier to establish plumb lines and levels, saving a great deal of checking time.

To handle the materials, the manual cutting tools such as a professional utility knife with a replaceable blade is the standard tool for cutting boards, while sheet-metal snips are needed to adjust the metal framework. A keyhole saw will be very helpful for opening holes for sockets and switches.

When fastening the boards, a drill a screwdriver is sufficient, but using a bit with a depth stop is strongly recommended. This small accessory prevents the screw from passing through the board's cardboard facing, which would nullify its holding power.

Finally, for finishing after installing the plasterboard, you need a set of spatulas in various sizes (narrow ones for loading, wide ones for smoothing) and a trowel, together with a manual sander and fine-grit sanding blocks to leave the wall ready for painting.

Safety and personal protection

Working with metal profiles involves handling sharp edges, and sanding plaster generates very fine dust. The protective equipment is not optional: cut-resistant gloves, safety glasses, and, especially, a suitable particle mask will make the experience safe and much more pleasant.

How to install plasterboard on a wall

Mastering the technique of installing a self-supporting lining, the technical term for covering a wall with an independent framework, represents a real leap in quality in any renovation. 

Unlike bonding the boards directly with adhesive, this method creates an air cavity that allows you to correct out-of-plumb walls, conceal installations without cutting chases, and significantly improve the comfort of the home. Learning how to install plasterboard on a wall using this procedure will guarantee a sturdy, stable, and durable result.

Setting out and marking the guides

The work of installing plasterboard on a wall begins long before picking up the drill. Precision in the initial layout determines the success of the entire installation. First, we must decide the distance from the original wall, calculating the space needed to accommodate the profiles and insulation material, which usually requires around five or six centimeters.

Using a chalk line or marking reel, the line for the base track is drawn on the floor. This is where the plumb line—or, even better, the laser level—comes into play, measuring tools essential for projecting that same reference onto the ceiling. If these two lines are not exactly parallel, the wall will be slanted, complicating the subsequent installation of furniture or tiles.

Building the metal framework

Once the perimeter has been marked, the galvanized steel framing is assembled. The strength of a plasterboard wall installation depends entirely on this concealed structure.

Fastening the tracks

The U-shaped profiles, known as tracks, are screwed to the floor and ceiling following the marks already made. A detail that distinguishes professional work is placing an airtight acoustic strip at the base of the profile before fastening it. 

This foam strip absorbs vibrations and prevents sound from traveling through the structure. It is fastened every 60 centimeters with plugs and screws suitable for the hardness of the substrate.

Installing the studs

The vertical C-shaped profiles, called studs, fit inside the tracks with a slight twist. To facilitate installation and allow for the building's natural expansion, it is advisable to cut them one centimeter shorter than the room's total height.

The spacing between them, known as the stud spacing, is usually 600 millimeters for standard partitions. However, if the wall will support tiles or heavy loads such as kitchen cabinets, it is advisable to reduce the spacing to 400 millimeters for greater rigidity. 

The studs are joined to the tracks with metal-to-metal screws or a punch tool, always ensuring that the openings for the installations are aligned.

Interior installations and insulation

With the structure open, we have the perfect opportunity to prepare the wall. Electrical cables and pipes are routed through the punched holes in the studs, eliminating the need to cut the metal, which would weaken the structure.

Next, the mineral wool is inserted. Rock wool or fiberglass panels must fill the space between the studs without being excessively compressed. This step provides the system's true thermal and acoustic performance. 

Closing and fastening the boards

The final stage consists of covering the structure. The boards are installed vertically, but never placed directly on the floor. A 10- to 15-millimetre gap must be left at the bottom to prevent capillary moisture from the slab rising through the plaster; simple scraps of board or wedges can serve as temporary supports until the fastening is complete.

Plasterboard-to-metal screws are used to secure the boards every 25 or 30 centimetres. Using a depth stop on the screwdriver is vital so that the screw head sits flush with the surface without breaking the protective paper. If the cardboard tears, the fastening loses its effectiveness. 

On tall walls requiring more than one board, horizontal and vertical joints should be staggered, a technique known as "staggering" or "breaking the joints", similar to the arrangement of bricks, which prevents long cracks from appearing in the future.

Guide to installing a plasterboard ceiling (continuous suspended ceiling)

Installing plasterboard on a ceiling is a greater technical and physical challenge than putting up a simple partition wall. Here, we are not only contending with the need to level the surface, but also with gravity. 

Although the system's logic shares certain principles with the process of installing plasterboard on a wall, a ceiling structure requires much more demanding fixing to the structural slab to ensure complete safety. 

Understanding how hangers and framing work is the first step in transforming an old or excessively high ceiling into a modern, efficient surface.

Defining the height and levelling the perimeter

The first step in installing plasterboard on a ceiling is an aesthetic and functional decision: determining how high we want the new ceiling to be. Often, this height is dictated by the need to conceal air-conditioning ducts, dropped beams, or waste pipes. Once the height has been decided, we must transfer that measurement to all the walls in the room with absolute precision.

At this stage, laser level becomes an indispensable tool. Trying to mark out long distances with a spirit level and a straightedge usually leads to small errors accumulating, resulting in a visibly sloping ceiling. 

The line projected by the laser will mark the exact position where we will screw the perimeter angle profiles. These L-shaped profiles close the gap against the wall and are fixed approximately every 60 centimetres.

Installing the suspension system

The critical difference when installing plasterboard on a ceiling compared with doing so on a wall lies in its support. The structure does not rest on the floor; instead, it hangs from the original ceiling by means of a network of anchors that must be robust and reliable.

Installing rods and hangers

We draw a grid on the original ceiling to locate the drilling points. It is customary to place the anchors in rows no more than 100 or 110 centimeters apart. 

At each mark, we drill into the structural slab—whether concrete or ceramic hollow-core flooring—and insert a brass plug or a specific expansion anchor. We will suspend the threaded rods from these points, steel bars that allow us to adjust the height with millimeter precision.

At the lower end of each rod, we screw on the bracket or hanger, which grips the profile. It is vital to check that all the brackets are aligned at the same level as the wall angles before proceeding to the next step.

Installing the main framework

With the hangers in place, we insert the ceiling profiles—generally called TC-47—fitting them into the brackets using a clipping or pressure-fit system. 

The distance between these profiles, known as the spacing, is more exacting than for walls. A maximum center-to-center spacing of 400 millimeters is recommended. Using 600-millimeter spacing, although possible, risks causing the board to sag or bow over time under its own weight.

Lifting and fastening the boards

The moment of truth has arrived, as has the most physically demanding stage. The gypsum-board partitioning Laminated board is heavy and difficult to handle at height. If assistance is unavailable, renting a board lift—a specialized manual hoist—is no longer a luxury but an operational and safety necessity.

Raise the board until it contacts the metal framework. Board-to-metal screws are installed at intervals of no more than 15 or 20 centimeters, always perpendicular to the main profiles.

The staggering technique

As with partition walls, joints should never line up to form a cross. The boards are installed with staggered joints, alternating the transverse joints between one row and the next. 

In addition, it is advisable to leave a small gap of about 3 millimeters between boards and around the perimeter against the wall; this clearance will absorb the building’s natural expansion and prevent cracks from appearing in the future.

The art of taping and joint treatment

Many people believe that knowing how to install drywall is limited to assembling the metal framework, but the real difference between an impeccable finish and a mediocre one lies in treating the joints. It is a job that requires patience and skill because, if not done correctly, cracks will eventually appear, ruining the effort already invested.

Choosing the material: compounds and tapes

Before getting the putty knife dirty, we need to choose the right compound. The market offers two main families of compounds, and understanding how they behave will save us frustration during the process.

Air-drying compounds

They come pre-mixed in buckets and ready to use. They harden through the simple evaporation of water, which means they take longer to dry, especially in humid environments, and tend to shrink or contract slightly as they lose volume. 

They are ideal for the final finishing coats and for users who are new to these tasks, as they allow errors to be corrected at a leisurely pace.

Setting compounds

They come in powder form and require mixing with water. They harden through a chemical reaction at controlled times, which can range from thirty minutes to several hours. 

Because they are much harder and shrink very little, they are perfect for filling large gaps or for the first coat used to bond the tape, providing strength from within.

The tape: paper or mesh?

Although self-adhesive mesh tape may seem more convenient to apply, professional advice strongly favors microperforated paper tape. It offers much greater tensile strength and bonds chemically with the compound, creating a solid seam that stitches the boards together. 

This sturdy connection is vital both when installing plasterboard on walls and on ceilings, where structural stresses are greater.

The taping process step by step

The secret to a good joint is not applying a large amount of material, but putting it in the right place at the right time. The process is divided into three coats, always allowing the previous one to dry.

Filling and applying the tape

The first step is to check that no screws are protruding. Next, we apply a generous layer of compound in the channel formed where the two boards meet. We place the paper tape onto this fresh bed, pressing with the putty knife from the center toward the ends to remove excess compound and air bubbles. The tape should be neither dry nor lumpy, but smoothed flat and completely embedded.

The loading coat or second coat

Once the tape has dried, we will notice that the area has sunk slightly due to shrinkage. The second coat is used to bring it level. 

We use a slightly wider putty knife, about 15 or 20 centimeters wide, to cover the tape and fill the natural recess between the boards. At this stage, we are not aiming for absolute perfection, but to level the surface.

Finishing or skim coating

The third coat defines the final finish. Here, we use a trowel or a 30-centimeter-wide putty knife to apply a very thin layer, extending about 15 or 20 centimeters beyond the original joint. 

The aim is to “feather out,” softening the slope between the joint and the rest of the board so that, visually, the wall appears to be a single piece. Mastering this technique is especially important when installing a drywall ceiling, where raking light from lamps or windows reveals any irregularity.

Solutions for corners and inside angles

Areas where the wall changes plane require specific treatment to maintain the geometry and withstand daily use.

• Inside corners: for joints between two walls or between a wall and ceiling, fold the paper tape along its marked central crease. Apply compound to both sides of the angle, position the folded tape, and smooth it carefully using a corner trowel or a regular one, ensuring a clean vertex.
• Outside corners: these are the most vulnerable areas of the home. Tape alone is not enough here; corner beads must be installed. These profiles, which may be metal or plastic with reinforced paper, are bonded with joint compound to the exposed corner to provide straightness and protection against impacts. Covering them requires gradually spreading compound outward on both sides to conceal the profile’s thickness, a task that requires patience to make the transition invisible to the eye.

Conclusion: installing drywall is easier than it seems

Knowing how to install drywall opens up a world of possibilities for both renovations and new builds. With proper planning, the right materials, and an orderly installation, you can build walls, create suspended ceilings, and achieve smooth, professional finishes without wet construction or long waiting times. 

Whether you want to improve insulation, renovate rooms, or design modern spaces, drywall boards are a clean, fast, versatile system accessible to anyone eager to learn.

At Brikum, you’ll find everything you need 

At Brikum, we put the tools and equipment ideal for installing drywall with professional results: boards, framing profiles, specialized screws, insulation, tape, joint compound, and complete DIY and safety equipment. 

Whether you’re an expert installer or renovating your home for the first time, here you’ll find quality products, advice, and the best solutions to keep your project moving forward without a hitch. Your renovation starts at Brikum: bring your ideas to life and build with confidence.