Many people use plasterboard when decorating the residential part of a house or apartment. At first glance, it may seem that it is not difficult to make the calculation; calculate the perimeter and buy a plasterboard sheet in the required quantity.
The fact is that the calculation of the suspended plasterboard ceiling it's not entirely simple. To make a correct calculation, you also need to take into account how many screws, anchors, frame and guide profiles you will need.
It is clear that the dimensions of the room and the gypsum board are different from each other, which means that when covering you will have to cut off pieces for necessary elements. Whatever cracks appear, the drywall will need to be assembled metal carcass, the joints of the sheets must lie preferably in the middle of the metal profile. Another important point: to avoid cracks in plasterboard, you need to alternate in a checkerboard pattern (a whole sheet with a cut sheet), so that the joints do not coincide. When installing gypsum boards, the factory edge should coincide with the factory edge, and the cut edge should coincide with the cut edge for ease of sealing the seams. To screw screws into drywall, you need to buy a bit with a limiter.
What is this article about?
Example of material calculation for a simple case
Let's take one of the simple cases - a rectangular room. Using the formula, we find the perimeter of the room, calculate it using the most common formula P = (a+b)*2, where a and b are the length and width of the ceiling. Let's take a= 520 cm, b= 310 cm, P=(520+310)*2=1660 cm. Now let's calculate how many components are needed. There are two types of profile: guide (UD-27) and for frame (CD-60).
UD-27 comes in lengths of 3 and 4 meters. With a room width of 3.1 m, it is inconvenient to use a 3 m long profile, so let’s take a 4 meter one. And so we calculate: 1660/400 = 4.15
Now let's calculate the number of frame profiles. For this we need the dimensions of the drywall. Size ceiling material 120 X 250 X 0.95 cm. In our case, we will fix the gypsum board along the width of the room, this way we will reduce the amount of waste. The width of the plasterboard is 120 cm, CD - 60 needs to be mounted along the edges and the middle, i.e. 3 pieces, i.e. the step will be 60 cm. We make the calculation: 520/60 = 8.9, almost 9 pieces. 9*60=540 cm turns out to be 10 cm larger, you will have to cut off the last profile.
Calculation of suspensions
We will fix the first profile at a distance of 30 cm from the wall. And then in increments of 60 cm, from here we get that for one element you will need 5 suspensions. We have 9 profiles, from here
9*5=45 pcs.
Jumpers are also made from CD-60 and the connection is made with crabs, which are fixed at a distance of 60 cm from the hangers. Our ceiling will require 36 pcs. single level crab. You will need 4 pieces per profile. jumpers between the crab and the UD guide - 27. We conclude that the profile with jumpers forms a figure with a parameter of 60X60 cm (square) - this is the most convenient option when installing drywall.
You need to remember that the crab is installed at the 250 cm mark, where the sheet of material ends.
Calculation for jumpers
The distance between the profiles is 60 cm. We use CD-60, subtract 3 cm from the bottom and top and get 54 cm. Minus another 0.5 cm for easier assembly and get 53.5 cm.
On the side where we started installing the frame profile, we have a distance of 60 cm. We calculate 60-3-0.5 = 56.5 cm. In total, we need 56.5 - 4 pieces. and 53.5 – 36 pcs.
Where to put the leftovers? It was their turn. We have 9 pieces of 90 cm each. We will cut 5 of them. 53.5 cm each and 4 pcs. 56.5 cm each. We will need 31 more pieces. 53.5 cm each. Let’s do the calculation:
53.5*31=1658.5 cm
We use a 3-meter profile since there will be less residue, we consider:
1658.5/300=5.52 pcs.
Now let’s calculate how many screws and dowels are needed.
To attach the profile to the wall, you will have to buy dowels, which are mounted 30 or 40 cm apart from each other.
P=1660/40=41.5
We need 4 self-tapping screws to screw the profile to the suspension
45*4=180 pcs
The crab is attached using 4 self-tapping screws, as well as two when attaching it to the profile:
6*36=216 pcs
With a gypsum board size of 120 X 250 X 0.95 cm, we will need 4 sheets. To fasten gypsum boards, screws are usually screwed at a distance of 25 cm from each other; for convenience, there are characteristic marks on the sheet where to screw the screw. We presented all these calculations for single-level ceiling. Of course, a two-level ceiling will be much more beautiful, especially if you illuminate the corners with lamps. If you understand the principle, you can find out how many sheets are needed for two-level ceiling. The calculation of the material for the walls is carried out in a similar way, only this is complicated by the fact that the dimensions of the windows and doorways, and for partitions their area will have to be multiplied by 2 because The partitions are double-sided. For walls it is best to use 12 mm sheet. For bathrooms and rooms with humidity above 80%, use moisture-resistant plasterboard.
Calculator for a simple single-level ceiling
Nowadays, it is not necessary to count everything yourself on pieces of paper. There are many online calculators on the Internet. With their help, you can easily calculate all the necessary material, up to how much putty, sickle, etc. is needed. To calculate the walls, we need the length and width of the wall, from there we subtract the dimensions of the doorways and windows, add to them the dimensions of the partitions, multiplied by two, and for the ceiling it is written in detail above. Also, when using the calculator, you need to reduce the dimensions of the walls at the top and bottom by 10 - 15 mm for ease of installation, we will leave technical gaps.
Due to its high technical and operational parameters, plasterboard is a universal building material that is used for finishing wall and ceiling surfaces. Drywall is non-toxic and non-conductive electricity, suitable for the implementation of various design ideas. Having experience in carrying out repair and construction work, you can install GC sheets on the ceiling and walls on your own. When planning the finishing of the gypsum board ceiling surface, it is necessary to correctly calculate the amount of material used, calculate the optimal profile consumption per 1 m2, drywall. A gypsum plasterboard ceiling is fixed to a supporting frame and can be “mounted” on a wooden or metal frame.
Drywall classification
Given the popularity of drywall, the construction market offers large assortment different kinds of this facing building material from domestic and foreign manufacturers. Professionals prefer products from two large, time-tested manufacturers - KNAUF (Knauf) and GYPROC.
Drywall is a material consisting of three layers, two of which are cardboard, connected by a gypsum mass (core), which has a number of useful characteristics. The core provides protection from moisture and fire. The sheet can be processed polymer compounds, due to which the strength of the structure increases.
Some types of gypsum boards have good flexibility and have soundproofing properties with a properly organized frame and sealing of seams with high-quality putty mixtures.
Important! Drywall is classified into categories depending on the place of application and technical characteristics building materials.
According to the place of application, they are distinguished the following types plasterboard “Knauf”:
- Wall. The leaf has standard parameters– thickness – 12.5 mm, length – 2.5 m, width – 1.2 m. The large thickness allows the use of material for partitions, ceiling structures, for cladding wall surfaces.
- Ceiling. It is permissible to use material for organizing ceiling structures of a standard thickness or a thickness reduced by 3-4 mm, since installation is much easier using more lightweight drywall. For lightweight gypsum plasterboards, a smaller amount of profile will be required.
- Arched. GK sheets are flexible enough to create complex structures various forms, arches Using the arched Knauf in interior design, you can implement various design projects.
To choose the right plasterboard for finishing the ceiling, you need to take into account the classification of the material depending on its functions. This parameter will allow you to determine the technical and operational characteristics of the building material and select gypsum boards depending on the functional characteristics of the premises. High quality drywall“Knauf” has a special marking indicating its type.
Classification of plasterboard "Knauf":
- GKL. Drywall covered with cardboard on four sides.
- GKLV. Moisture-resistant drywall is resistant to the formation of condensation, mold, and prevents the colonization of pathogenic flora on the surface of the material. GKL "Knauf" is used to create ceiling surfaces in rooms with high humidity. GKLV is painted green.
- GKLO. Plasterboard sheets have increased resistance to high temperatures, fire resistant. They are quite heavy, so they are installed in the most fire hazardous areas.
- GKLVO. Fire-resistant material with increased resistance to moisture.
- GVL. Fireproof non-combustible gypsum fiber sheet gypsum mixture, shredded paper.
GKL, GKLV, GKLO are used to create partitions and for cladding wall and ceiling surfaces. GKLV provides additional thermal insulation. Gypsum fiber "Knauf" - perfect solution for basements, attic rooms, rooms where the humidity level exceeds 65%.
Design of a suspended ceiling structure made of gypsum plasterboard
From a constructive point of view, a suspended ceiling made of gypsum plasterboard includes:
- Suspensions, profiles, fixed to load-bearing structure hardware.
- Metal frame, less often wooden slats are used. They are connected into a single frame using couplings and brackets. Using a metal profile, you can build a cellular rail frame. The metal frame can be one- or two-level.
- Plasterboard panels fixed to the frame.
Important! Despite the fact that the cost wooden frame will be cheaper, professional craftsmen To create a reliable, durable structure, it is recommended to use a metal frame.
When planning to install gypsum boards yourself, you must follow the technology, the sequence of work, prepare the necessary equipment, tools, purchase more than one type of profile, hardware (screws, screws, dowels), and reinforcing mesh.
Calculation of materials for HA ceilings
When calculating the materials needed for work, it is necessary to take into account the type and variety of drywall used, area, and functional features of the premises. As a rule, sheets are produced in standard lengths. The material may differ in width, thickness, weight. The acceptable thickness for suspended ceiling structures made of gypsum plasterboard is 8-9.5 mm.
For correct calculations required quantity building materials per meter square area, take into account:
- type of drywall;
- type of supporting, supporting structure (frame, profile, hangers);
- materials for finishing cladding.
When performing calculations of civil code per square meter, the dimensions and footage of the premises are taken into account. It is best to make a preliminary plan future design, which will allow you to make correct calculations and find out how many materials are required to create the structure. Indicate the dimensions of the room and the placement of the profile.
Guide profile quantity
To find out the required number of profiles per square meter, divide the perimeter by the length of the segments. Guides can be purchased three to four meters long.
Important! The number of ceiling profiles is calculated based on the calculation of 3000 mm per square meter of area.
How to calculate connectors, hangers for a profile
The formula will help determine the number of connectors for the profile: K= S*2, where S is the area suspended ceiling, K – number of crab connectors. For example, for a room with an area of 6 m2, 12 connectors will be required.
If the area of the room is more than eight square meters, the calculation of the material is carried out according to the formula: K = S * 1.7.
Consumption of hardware for drywall
Fixing drywall to load-bearing profiles carried out using self-tapping screws, screws, dowels. The screw is screwed in with a screwdriver or screwdriver. The sheets are fixed to the metal frame perpendicular to the built-in guides. The HA sheet should fit as tightly as possible to the frame. The screw and self-tapping screws are attached in increments of 30-35 cm. To enhance the strength of the structures, the spacing between the screws can be reduced to 15-10 cm. The screw is fixed so that its head is recessed by 1 mm.
Important! Self-tapping screws are placed at least 10-12 mm from the edge of the sheets, and 15 mm from the cut side. Otherwise, cracking of the building material may occur.
When calculating the number of screws, take into account:
- size of gypsum boards, slabs;
- hardware fastening step;
- number of layers of drywall.
If the HA sheets are installed in several layers, fixation is carried out with in different steps. For example: the first layer is attached in increments of 50-60 cm, the second - 35 cm. One sheet will require 65-70 pieces of hardware. In the case of a two-layer structure - 110-115 pcs.
While creating complex shapes plasterboard is attached to a metal frame the desired shape, using a pre-prepared template in which the sides can be made from plasterboard sheets.
Calculation of mass per square meter of partitions from HA
This parameter will allow you to calculate how much building material is required, the level of load on the floors created by the structure, which is especially important when arranging attic and attic spaces. Below is a calculation that can be used when standard sizes plasterboard sheets:
- If the partition has a height of five meters, the mass of one “square”, sheathed on both sides with plasterboard, will be 25 kg. If the partition has a greater height, thicker material is used to organize it; accordingly, the weight per square meter will increase.
- A two-layer 6.5-meter partition with a single frame will have a mass per 1 m2 of approximately 40-45 kg.
- If the partition is built on a double frame, there is a gap for engineering communications, a square meter will weigh 48-50 kg.
- When organizing structures with one layer of HA, one square meter will have a weight of 30 kg.
The weight increases if a metal frame was used for the structure. If the frame is made of wooden slats, the weight will be less, but the partition should not be higher than four meters.
Material consumption per 1 m2 for suspended ceiling
Let us give an approximate calculation of the consumption of building materials for a structure created on a metal frame made of gypsum plasterboard of standard thickness:
- guide profile – 0.8 m;
- rack, ceiling profile – 2.3 m;
- direct suspension – 2-3 pcs;
- reinforcing tape – 1 meter;
- self-tapping screw 9 mm – 4-5 pcs., 25 mm – for a suspended ceiling – 23-26 pcs.;
- dowel, corresponding screw – 5-6 pcs.
Video: calculation of materials for plasterboard ceiling structures
Hello friends, here we are already meeting on the updated website – the very place where all information about construction and repairs is stored. All information about modern technologies construction and innovative materials, already collected here for you.
you started home construction , but don’t know what to do and where to start? At your service is our database of advice and suggestions from industry professionals, construction professionals, architects and engineers, in general, masters of their craft.
You want unique design, fully consistent with your desires, reflecting your personality? Look at the interiors from our gallery, perhaps one of them will fully meet your requirements.
Does finishing require not only professionals, but also special materials? We have everything, from bolts to baseboards, from tools to furniture sets, from construction slag and sand to interior decorative trinkets. And that is not all! If it’s not enough for you to simply find and buy building materials or household appliances, but we also need someone who will install it or carry it out necessary work, you can also do it here on our website in literally two minutes.
It doesn’t matter whether you need to build a house, a cottage, a bathhouse, or choose curtains for your bedroom - you can find everything you need, and without leaving your home, you can website .
Especially for your convenience and speed of work, we have arranged the materials in such a way that finding them is easy and intuitive. For example, here we have collected a huge and truly unique in its diversity gallery of completed works, including all kinds of interiors and exteriors of houses, apartments and plots. Solutions landscape design were developed by leading domestic and foreign experts.
Website website created to help all those who are engaged in construction or repair, as well as other interested parties. With our help, you can rent or rent special equipment, find a team of professional masons or plasterers, submit or learn about construction tenders and competitions.
We have collected especially for you most interesting projects, news from our partners, leading companies in the construction industry, useful recommendations by choosing one or another material or technology. In our catalog you can find absolutely everything that craftsmen and their customers need. If you still haven’t found what you were looking for, it doesn’t matter, you can always announce a tender for construction or repair – you will be surprised how quickly there will be someone who will most accurately solve and eliminate your problem, because thousands of companies and private craftsmen will receive information about your application!
We are glad that you contacted us. Enjoy watching!
Anyone who has ever done a renovation knows how important it is to correctly calculate the amount necessary materials. In fact, these calculations are not so easy, since you need to know all the subtleties and nuances. In the future, we will reveal all the secret formulas for calculation, based on practical knowledge.
Calculating the required materials for the ceiling is quite difficult, because you need to take into account dimensions rooms and sizes of plasterboard sheets and profiles, and you also need to take into account various little things that you don’t even realize right away. Since the calculation process is based on installation technology, you need to start with it.
So, preparatory process installation consists of the following stages:
Frame structure.
It is worth noting that it must be made from metal profiles, although a wooden frame will be cheaper. And the wooden frame option is only suitable for a dry room in which there is no temperature difference. To make the correct calculation of the ceiling profile, you first need to decide how we will make the frame.
There are several options:
In order to build a metal frame in the form of a lattice with 600x600mm cells, we need a ceiling profile. This step was not chosen by chance, because a regular gypsum board has a width of 1200 mm, and the sheets are joined to the frame, i.e. The strip of the ceiling profile must pass under the joint.
Photo of a rail frame for mounting a plasterboard ceiling.
With this scheme, the ceiling profile is laid along the width of the room every 400 mm, and the transverse one runs only at the joints. You also need to take into account that the entire frame made of the ceiling profile must be attached along the entire perimeter to the wall. This fastening is done using a guide profile, so it also needs to be taken into account when calculating.
Drawing up a sketch.
In order to make the correct calculation and take into account all the nuances, it is necessary to make at least a very rough drawing. The drawing is drawn up to scale. It indicates all the overall dimensions of the room and the order of placement of the ceiling profile. The drawing is convenient because it can easily calculate the number of ceiling profile strips needed for installation. And you can immediately figure out how best to position the frame lengthwise or crosswise, what length of profile to buy: 3000mm or 4000mm, and adjust the calculations in accordance with the amount of leftovers.
Sometimes it seems that a profile with a length of 3 meters is more profitable, but after looking at the drawing, you understand that it’s still better to buy 4 meters and use the rest for jumpers. On the sketch you need to mark with crosses where the hangers and the transverse jumpers we need will be attached, so their number is also very easy to calculate by looking at the drawing.
Rules for calculating materials.
Calculation of the number of plasterboard sheets.
Calculation of the number of guide profiles.
Photo of a guide profile for installing a plasterboard ceiling.
The number of guide profile segments can be easily calculated by dividing the perimeter by the length of the segments. It is worth noting that the guide profile is produced in sections of 3m or 4m. Calculation of the number of ceiling profiles. The ceiling profile must be calculated based on the calculation of 3000 mm per 1 m2. But this is a very rough calculation. A more accurate calculation can be easily made based on the drawing. But it is worth noting that before you start counting, you need to choose necessary method installation of the frame, since the number of sections of the ceiling profile depends on this.
Calculation of the number of connectors for mounting a transverse profile.
Photo of a connector for mounting a plasterboard ceiling.
To calculate the number of connectors there is a crab simple formula calculation. First you need to calculate the area of the room. If the area is less than 8.5 m2, then the calculation is made using the formula
where K is the number of connectors, and S is the area of the suspended ceiling. those. if our room has an area of 7 m2, then we need 14 crabs. If the area is more than 8.5 m2, then we calculate the number of connectors using the formula
Calculation of the number of hangers.
Photo of hangers for mounting a plasterboard ceiling.
where P is the number of hangers, and S is the ceiling area.
For example, if our ceiling area is 20 m2, then we need only 14 hangers. 6.
R A counting the number of screws.
Since we will need screws for various purposes, we will make calculations according to the types of their use.
Self-tapping screws for fastening drywall sheets can be calculated in two ways.
where C is the number of screws, and S is the ceiling area. Or C=L*100, where C is the number of screws, and L is the number of whole sheets of drywall.
Calculation of dowel-nails for fastening hangers.
we calculate using the formula:
where D is the number of dowels and nails, and S is the area of the ceiling.
To put it simply, it takes 2 dowel nails to attach one suspension.
Calculation of dowels required for fastening the guide profile. Since the guide profile is attached in increments of 500mm, we calculate the quantity using the formula:
where D is the number of dowels, and P is the perimeter of the room being repaired.
Calculation of the amount of serpyanka tape.
Since serpyanka tape is glued to the joints of drywall sheets, its quantity is calculated using the formula:
where L is the length of the tape, and P is the perimeter of the drywall sheet, and K is the number of whole sheets.
Calculation of the amount of putty.
Photo of putty for installing a plasterboard ceiling.
Since we will need different putty and for different purposes, we will calculate it using different formulas.
Calculation of putty for filling joints is calculated using the formula:
where Shs is the amount of putty in kilograms, S is the ceiling area.
We calculate the putty required for filling drywall sheets using the formula:
where Shg is the amount of putty in kilograms, S is the ceiling area. We hope that these formulas will help you not make mistakes when calculating required quantity material.
For a more accurate calculation, you can use the program.
Video calculating materials for installing a plasterboard ceiling.
Enjoy your renovation!
Online calculator for calculating plasterboard for the ceiling. Ceiling plasterboard consumption calculator. Calculation of components for installing drywall on the ceiling.
Due to a number of its positive properties, such as good sound and thermal insulation, plasterboard today is in high demand as a material for overhaul premises. Simple and easy to process, this type material is well suited for carrying out facing works on wood, brick or foam block.
Convenient tool for repairs
A reasonable calculation of the amount of drywall will help not only to properly dispose in cash, but also to simplify and speed up work, as well as significantly improve quality finished object. Ceiling plasterboard consumption calculator, which is available online, can quickly solve any of your repair problems, immediately providing the best option.
Working with this tool comes down to taking simple measurements that even a person who does not understand repairs can handle, and entering them into a simple form.
The advantage of remote settlement
Calculation of a plasterboard ceiling using a calculator does not require any special skills, is easy and understandable for anyone common man who decided to start renovating his apartment. Those who have the opportunity to use the calculation can change the parameters at any convenient time and generate the result by pressing the calculate button.
The vast majority today use ceiling plasterboard calculator when solving repair problems. This choice is very justified, since contacting a specialist requires time and money, but with a calculator you get the finished result instantly.
That is why the decision to use such a tool for calculation will be more than correct, accessible to everyone.