Which ceiling decor set to choose

Six kits. One catalog section. One line — and immediately a difficult choice. A person opensCPU ceiling decor kitsSTAVROS and sees: CPU-P1, CPU-P2, CPU-P3, CPU-P4, CPU-P5, CPU-P6. All in the same style, all with a cornice and molding contours, all for a classic or neoclassical interior. How do they differ, which one suits his bedroom, living room, or kitchen-living room?

This is not a rhetorical question. This is a practical task that has a precise answer — if you understand the logic of the series. Comparing CPU ceiling decor kits is not a comparison of "simple vs complex" and not a gradation of "cheaper vs more expensive." These are different architectural scenarios: from an intimate bedroom to a grand hall, from a standard apartment ceiling to a high ceiling in a private house. Which ceiling decor kit to choose depends on three parameters: the room, ceiling height, and the level of decorative saturation you want to achieve.

CPU-P1 molding decor set

from 1,793.68 $

CPU-P2 Molding Decor Kit

from 2,230.97 $

CPU-P3 molding decor set

from 1,253.99 $

CPU-P4 Molding Decor Kit

from 1,572.30 $

CPU-P5 Molding Decor Kit

from 1,000.65 $

CPU-P6 Molding Decor Kit

from 1,340.08 $

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How the CPU series is structured

Before comparing specific items, it is important to understand the architecture of the series as a whole.CPU stucco decor kit— this is not a set of individual moldings assembled "in a package". It is a ready-made ceiling system where all elements are designed together: the cornice, molding inner contours, corner overlays of different levels, ornamental field dominants, and a central accent under the chandelier.

What unites all six sets of the series:

• a single perimeter cornice A130V1 with a profile of 100 × 83 mm made of dense HIWOOD polystyrene — with a groove for LED strip, with a refined "gooseneck" profile;

• ceiling area 3200 × 3200 mm as the main working format;

• molding contours and corner systems of various ornamental density;

• central accent under a chandelier or built-in light;

• unified "Classic" collection — stylistic kinship of all six options.

What fundamentally differs: the number of product types in the set, the number of levels of corner accents, the scale of ornamental dominants, the recommended area and ceiling height, as well as the decorative density of the final result. Ready-made stucco ceiling sets of the CPU series solve the problem systematically — you don't need to separately select a cornice, separately calculate moldings, and separately choose corner overlays. All of this is already coordinated into a single ceiling scheme.

A ready-made ceiling decor set reduces the risk of error to a minimum: no scale mismatch, no stylistic inconsistency, no incorrect proportions. For a first project with ceiling stucco, this is a key advantage. For a designer working on multiple objects simultaneously, it saves time and ensures a confident result.

Now — for each set separately. In detail, without haste.

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CPU-P1 — basic calm option

Stucco decor set CPU-P1 — this is the position in the line that is sometimes called "basic", and this is not a diminishment, but an accurate characteristic. Basic means reliable, proportional, understandable. The CPU-P1 ceiling decor is created for those who want an expressive classic ceiling without excessive ornamentation.

Technically: zone 3200 × 3200 × 83 mm, central accent NPU-462.1 with a diameter of 330 mm, corner overlays 160–225 mm in width. This is a verified hierarchy of scales, in which no element "screams" and none is lost. The A130V1 cornice around the perimeter sets the frame — convincing, architecturally significant, but not monumental.

CPU-P1 for an apartment works exactly in the range where you want real classics — not a decorative hint, but a full-fledged architectural gesture — but without the feeling of "we've been carried off to a palace." A living room with such a ceiling looks like a design solution, not a chaotic pile of decor. A study with CPU-P1 acquires that strict representativeness that is appropriate where decisions are made and negotiations are conducted.

The card directly states: with a height of 2.7–2.8 m, the set looks proportional in rooms from 20 m². This is an important reference: CPU-P1 is not for small rooms, not for narrow hallways — it is for spaces where the ceiling system will be visible from several angles and will take its place in the interior hierarchy.

The price of CPU-P1 according to the current section is 134,170 ₽. This is not the most affordable option in the series, but it is a classic that works reliably and for a long time.

Who is CPU-P1 for:

• apartment, living room, study, hall;

• ceiling 2.7–2.8 m, area from 20 m²;

• first project with ceiling stucco, where a predictable result is important;

• interior in the style of quiet classicism or neoclassicism without active ornamentation.

Our factory also produces:

Molding Decor Set CPU-3-1

from 322.99 $

Molding Decor Set CPU-3-5

from 422.45 $

Molding Decor Set CPU-3-6

from 525.66 $

Molding decor set CPU-4-3

from 49.87 $

Set of stucco decor CPU-4-5

from 288.90 $

Molding decor set CPU-4-1

from 166.98 $

Stucco decoration kit CPU-4-4

from 184.22 $

Stucco decor set CPU-6-1

from 315.64 $

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CPU-P2 — a richer, more prestigious set

If CPU-P1 is confident classicism, then CPU-P2 — this is a step towards status. The ceiling decor CPU-P2 is designed for spaces where the ceiling must work as an architectural statement: a hall, a study with a high ceiling, a formal living room, a space where the decorative level of the interior is intentionally elevated.

Formally, the parameters are the same: zone 3200 × 3200 × 83 mm, cornice A130V1, ceiling zone in the same format. But the ornamental saturation is different. More complex corner groups, more expressive field ornamentation, a different relationship between 'background' and 'accents'. Where CPU-P1 works calmly and evenly, CPU-P2 creates a decorative hierarchy — the ceiling reads not as a frame with a central element, but as a full-fledged ceiling scene.

The CPU-P2 card specifies a scenario for a formal hall of 35–50 m² with ceilings from 3 m. This is a direct signal: the set is created for high and spacious rooms. At a height of 2.7 m in a small room, it may look richer than necessary. At a height of 3 m in a 40 m² hall, it works exactly as intended: large-scale, convincing, truly classical.

The price of CPU-P2 is 166,880 ₽, which is the highest position in the current section. But the application scenario for CPU-P2 is corresponding: it is not an option 'just want something interesting on the ceiling', it is an option for a purposefully built classical interior.

Ceiling decor CPU-P2 for high ceilings is the right choice where the scale of the room allows the ornament to unfold in full force. In combination with a central chandelier, side lighting, and a properly constructed system of reflected light, CPU-P2 turns the ceiling area into an independent architectural object.

Who is CPU-P2 for:

• hall, study, formal living room;

• ceiling from 3 m, area 35–50 m²;

• expensive classic interior where a prestigious result is needed;

• for those who find CPU-P6 too rich, but CPU-P1 not expressive enough.

CPU-P3 — a versatile middle option

This is where the story of the golden mean begins.CPU-P3 — the most understandable and most versatile set in the line. Not too intimate, not too formal. Noticeable, but not overwhelming. Expressive, but not pompous.

The CPU-P3 card directly states the scenario: living room 25–40 m² with ceilings from 2.7 m. Zone 3200 × 3200 × 83 mm. Unique for the series overlays NPU-472L/R and NPU-309 — they are not in CPU-P1 or CPU-P2. Corner group with a different relief character — dense, detail-rich, with a well-readable decorative hierarchy.

The CPU-P3 ceiling decor for the living room is the solution that most buyers will consider 'correct' in hindsight. Not too timid a choice, not too bold. It solves the problem completely: the ceiling above the sofa area becomes the center of the interior — visible, memorable, classically finished.

CPU-P3 works especially well in a kitchen-living room. An open space type requires a ceiling solution that simultaneously creates an accent and does not overload the visual field. CPU-P3 for a kitchen-living room is a zonal anchor above the dining table or island: the frame sets the boundary of the 'formal' zone within the combined space.

The price of CPU-P3 is 93,800 ₽, making it one of the most affordable options with a fairly high level of decorativeness. If the budget is limited and the space is spacious enough, CPU-P3 often turns out to be the ideal choice between economy and expressiveness of the result.

Who is CPU-P3 for:

• living room 25–40 m², kitchen-living room, open space;

• ceiling from 2.7 m;

• those looking for a 'sweet spot' between coziness and grandeur;

• a universal solution for a standard city apartment with sufficient space.

CPU-P4 — for a formal living room and large hall

Molding decor set CPU-P4 — this is a completely different scale of conversation. 21 product types. Four levels of corner accents. A multi-level ornamental system with the well-known central dominant MLDPU-2U-1.1. This is not 'decorating the ceiling' — this is building a ceiling architectural scene.

Ceiling decor CPU-P4 is recommended for a living room of 28–45 m² with ceilings from 2.8 m. Important: specifically from 2.8 m, not from 2.7 m. At 2.7 m, four levels of corner accents may create a feeling of overload — the system is too saturated for such a height. At 2.8 m and especially at 3 m — CPU-P4 unfolds as it should: multi-level, deep, architecturally convincing.

How does CPU-P4 differ from CPU-P6? This is a frequently asked question. CPU-P4 is more structural: four levels of corner accents create a strict decorative hierarchy, where each element has its place. CPU-P6 is larger in individual dominants, but less multi-level in composition. Where CPU-P4 wins with quantity and consistency of levels, CPU-P6 wins with the monumentality of large elements.

CPU-P4 for a large hall in a private house: this is a typical and very successful application scenario. High ceiling, spacious formal living room, a full chandelier above the central table — this is exactly where four levels of corner accents work as intended, creating a ceiling system that is commonly called 'palatial' in the best sense of the word.

Price of CPU-P4 per section — 117,610 ₽.

Who is CPU-P4 for:

• grand living room, large hall, representative space;

• ceiling from 2.8 m, area 28–45 m²;

• interior with a clear classical or formal character;

• where the ceiling should become a full-fledged architectural scene.

CPU-P5 — an intimate and affordable set

CPU-P5 — a special hero of the entire lineup. If CPU-P4 and CPU-P6 are about formality and scale, then CPU-P5 is about coziness, proportionality, and living space in the best sense of the word. This is the only set in the series directly oriented towards the most common conditions of a real city apartment.

Composition: 8 types of products. Not 21, like CPU-P4, — exactly 8. The two main accents of the field are NPU-244 and NPU-130, one central element MLDPU-2U-1.1. Without multi-level corner groups, without complex ornamental hierarchy — a calm, clean, intimate system.

Why is CPU-P5 the most logical choice for a bedroom? Because the bedroom is a personal space where the ceiling is visible from a horizontal position: lying on the bed. It is this perspective that dictates the scale: a too busy ceiling in the bedroom causes anxiety, a too empty one — a feeling of incompleteness. CPU-P5 works exactly in the range where the ceiling exists, it is complete, but it does not dominate the space.

CPU-P5 for a children's room is another natural scenario. A children's room should not be overloaded: it is a space of growth and tranquility. A neat ceiling frame with a light central accent creates architectural completeness of the room without excessive adulthood and pomp.

The proportionality directly indicated in the card, with a ceiling height of 2.6 m and a room area of 18–25 m², makes CPU-P5 the main and safest choice for a standard city apartment. Where CPU-P4 would be too large, CPU-P5 is just right.

The price of CPU-P5 is 74,850 ₽, making it the most affordable set in the CPU-P line. But "affordable" does not mean "poor": it is an architecturally competent, stylistically pure solution for a bedroom, children's room, and intimate living room.

Who is CPU-P5 for:

• bedroom, children's room, cozy living room;

• ceiling from 2.6 m, area 18–25 m²;

• city apartment, first ceiling decor;

• decor without a palace effect, without overload.

CPU-P6 — expressive ceiling architecture

CPU-P6 — this is the most complex solution in the line. The most ornamentally rich, the most monumental in individual elements, the most demanding in terms of application conditions. The card states directly: "CPU-P6 is a set without halftones. Either it works in the appropriate space, or it will be excessive."

Composition: 15 types of products. Large dominants NPU-464 size 300 × 420 mm and NPU-475 size 350 × 180 mm — these field elements set the decorative tone for the entire system. Zone 3200 × 3200 × 83 mm, recommended ceiling height — from 2.9 m, optimal — from 3.2 m. Area — from 35 m².

What does "works in the appropriate space" mean? A large hall with a high ceiling, a formal living room of a private house, or a representative apartment where the owner consciously builds an interior with a high decorative level — this is the space in which CPU-P6 fully unfolds. Monumental field overlays, expressive corner accents, a central element for a massive chandelier — all this in a spacious hall with a 3.2 m ceiling creates a ceiling system that can rightfully be called formal.

CPU-P4 or CPU-P6? This is the most common pair of doubts when choosing for a large hall. The difference is not only in the composition, but also in the character of the result. CPU-P4 — four levels of corner accents, structural hierarchy, an architectural scene with a clear ornamental order. CPU-P6 — fewer items in the composition, but the scale of individual elements is larger, the dominants are more monumental. Where CPU-P4 takes multi-levelness and detail, CPU-P6 takes size and expressiveness of key accents.

The price of CPU-P6 is 100,240 ₽, which is unexpectedly more modest than CPU-P1 and CPU-P2 with maximum ornamental saturation. This is a good illustration of the principle: the price in the CPU-P line is not a direct measure of the "richness" of the decor. You need to choose based on the room and ceiling height, not just the price tag.

Who is CPU-P6 for:

• large hall, formal living room, expensive interior;

• ceiling from 2.9 m, optimally from 3.2 m, area from 35 m²;

• maximum decorative saturation, monumental accents;

• private house, country residence, representative apartment.

Summary table: how to choose by key parameters

What to choose by room type

For the bedroom

The main choice is CPU-P5. If the bedroom is standard (18–25 m²) with a ceiling of 2.6–2.8 m, CPU-P5 creates the desired effect: the ceiling is finished and beautiful, but does not press over the bed. CPU-P5 or CPU-P1 for the bedroom — this choice is simple: CPU-P5 for a cozy living space, CPU-P1 for a more formal bedroom of 20+ m², where you want a slightly more architectural result.

What to consider when choosing ceiling decor for the bedroom: the viewing angle — lying down. Corner accents, ornamental field dominants, the central element — all this is visible not from the threshold, but from below upwards. This is a different experience that requires a different scale.Polyurethane ceiling rosettesunder the chandelier in the bedroom — proportionate, not too large, consistent with the ceiling height.

For the living room

The living room offers the widest range of choices. It all depends on the area and ceiling height:

• 25–35 m², ceiling 2.7–2.8 m →CPU-P3. A universal option that works almost always.

• 28–40 m², ceiling from 2.8 m →CPU-P4. A formal living room, an architectural stage.

• 35+ m², ceiling from 2.9 m →CPU-P6. Maximum decorativeness, monumental accents.

CPU-P3 or CPU-P4 for the living room is a choice between "noticeable" and "formal." CPU-P3 looks convincing and expressive, but within an apartment scale. CPU-P4 creates a feeling of "an interior with decorative ambitions." If the living room is the main room in the house and you want the ceiling to be a true architectural center, CPU-P4 is the right direction. If you want a good result without maximalism, CPU-P3 is safer and often turns out to be the precise choice.

For a kitchen-living room

A kitchen-living room is about zoning. Ceiling decor here is used not to "decorate everything," but to "designate the main area." This could be the dining table, kitchen island, or sofa group — depending on the layout.

Which set of ceiling decor to choose for a kitchen-living room? The basic answer isCPU-P3its decorative density is sufficient for the ceiling area to read as the center of the space, but not so saturated as to compete with the kitchen facade. CPU-P3 or CPU-P4 for a kitchen-living room — if the area is from 35 m² and the ceiling from 2.8 m, CPU-P4 becomes a realistic choice. If the space is more compact — CPU-P3 fully handles the task.

Polyurethane Crown Moldingin a kitchen-living room, they are mounted along the perimeter of the entire combined space — this creates a common architectural frame within which the CPU ceiling system reads as a central accent, not as an isolated decorative island.

For an office

A study is about status and concentration. A decorative ceiling in a study signals that this is a space with character, with hierarchy, with a deliberate architectural tone.

CPU-P1 or CPU-P2 for a study: for a standard study of 16–20 m² with a ceiling of 2.7–2.8 m — CPU-P1. For a more spacious study of 25–35 m² with a ceiling from 3 m or within a formal study of a private house — CPU-P2. Which decorative set to choose for a study where official meetings are held? CPU-P2 in a large hall creates the right feeling — representative, weighty, classically convincing.

Moldings made of polyurethaneon the walls of the study in combination with the CPU ceiling set create a unified decorative system — the ceiling area and wall frames work as one architectural whole. This is the next level of working with a classic interior.

For the children's room

For a children's room, definitely —CPU-P5. A calm system of 8 product types, without monumental dominants, without multi-level corner accents. Exactly what a space needs where comfort, lightness, and the absence of visual overload are important. Ceiling decor for a children's room should be present as a soft architectural gesture — and CPU-P5 implements this precisely.

For a large hall and high ceiling

For a high ceiling and large hall —CPU-P2, CPU-P4orCPU-P6 — depending on the nature of the desired result.

• High ceiling, strict classic, formal office → CPU-P2.

• Formal living room, architectural scene, multi-level system → CPU-P4.

• Large hall, maximum decorative richness, monumental accents → CPU-P6.

Which CPU kit is suitable for a high ceiling? The key question here is not "which is more beautiful," but "which is proportionate to your room." With a 3 m ceiling in a 35 m² hall, CPU-P6 will fully unfold — NPU-464 and NPU-475 will take their place without getting lost or overwhelming. With a 3.2 m ceiling in a 45 m² hall, this is already an indisputable choice.

What to choose based on ceiling height

Ceiling 2.6 m

One option is CPU-P5. At a height of 2.6 m, any other kit in the series risks visual overload. CPU-P5 was created specifically for this height and specifically for a room of 18–25 m². This is not a compromise — it is an architecturally precise choice.

Ceiling 2.7–2.8 m

Here the range is wider. For a room of 18–25 m² — CPU-P5. For a room from 20 m² — CPU-P1. For a living room of 25+ m² — CPU-P3. Which CPU kit to choose for a 2.7 meter ceiling depends on the area: the larger the room, the bolder you can go with CPU-P3.

Ceiling from 2.9–3 m and higher

At this height, CPU-P5 and CPU-P1 visually 'get lost' — their scale is designed for apartment format. Here, CPU-P2, CPU-P4, and CPU-P6 come into play. Which CPU kit suits a high ceiling is determined by area and decorative ambitions: CPU-P2 for stately classics, CPU-P4 for a grand hall, CPU-P6 for maximum richness.

What to choose based on budget

An important note worth mentioning separately: the price in the CPU-P line is not a direct indicator of decorative richness. Take a look at the price ladder:

• CPU-P5 — 74,850 ₽ (most affordable)

• CPU-P3 — 93 800 ₽

• CPU-P6 — 100,240 ₽ (maximum ornamental richness — and yet cheaper than CPU-P4 and CPU-P1)

• CPU-P4 — 117 610 ₽

• CPU-P1 — 134 170 ₽

• CPU-P2 — 166,880 ₽ (most expensive)

How to explain this? CPU-P6 is the 'richest' in terms of ornamental density — but it is cheaper than CPU-P1 and CPU-P2. CPU-P1 is more expensive than CPU-P6, although decoratively more modest. It comes down to composition: the number of product types, profile complexity, length of cornice elements, production specifics. The most affordable STAVROS ceiling decor kit is CPU-P5, and it is architecturally complete for its application scenario.

The conclusion is simple: do not choose a kit solely by price. Choose by room, ceiling height, and the level of decorative richness you want to achieve. Then any budget will yield an accurate result.

If the budget is strictly limited — start with CPU-P5 or CPU-P3. If the budget allows — focus on the room and height, not the price.

Which kit should a designer choose

This section is for professionals who work with multiple objects simultaneously and need a reliable, predictable selection tool.

For a designer, it's important not just to choose a "beautiful" kit — it's important to match the scale of a specific room. This means: no intuitive "by eye" decisions — only parameters. Area, height, usage scenario.

Practical matrix for designer selection:

• Bedroom and children's room →CPU-P5 — safe, predictable, always works.

• Standard apartment, living room →CPU-P3 — universal, suitable for most living rooms 25–40 m².

• Formal living room, country house, representative space →CPU-P4.

• Luxurious interior, high ceiling, maximum decorativeness →CPU-P6.

• Office, status classic, hall with high ceilingCPU-P2.

• Calm apartment living room, office, first project with stucco moldingCPU-P1.

A ready-made decor kit for turnkey renovation is also a practice of handing over to the contractor: everything in one scheme, all elements by name and with dimensions, the installation sequence is clear.installation of polyurethane moldingandinstalling polyurethane molding— detailed guides for craftsmen that will help correctly implement any of the kits.

A ready-made stucco molding kit for a design project saves time on selecting moldings, cornices, and overlays. This is critically important when several projects are being managed in parallel. A decision made on the CPU series gives confidence: the scale is verified, the style is consistent, the result is predictable.

Mistakes when choosing a CPU kit

Mistake 1. Choosing only by price

"The most expensive means the best" and "the most affordable means simple" — both judgments are incorrect when applied to the CPU-P series. CPU-P6 is cheaper than CPU-P1 and CPU-P2, but is maximally ornamentally rich. CPU-P5 is the most affordable, but architecturally perfect for its scenario. Price is not a criterion of decor "richness."

Mistake 2. Taking the most saturated kit for a small room

CPU-P6 in a small bedroom of 16 m² with a ceiling of 2.7 m is not palace chic, it's visual discomfort. Monumental overlays NPU-464 and NPU-475 in such a room will overwhelm rather than decorate. For a small room — CPU-P5, and only CPU-P5.

Mistake 3. Not considering ceiling height

CPU-P2 is designed for ceilings from 3 m. At 2.7 m, it will look excessive. CPU-P5 is designed for 2.6–2.8 m — at 3 m, it may look "too thin". Height is the first selection parameter, even before style and budget.

Mistake 4. Not considering the room's purpose

A bedroom requires calm and coziness — CPU-P5 or CPU-P1. An office requires status and concentration — CPU-P1 or CPU-P2. A living room requires expressiveness and a center — CPU-P3, CPU-P4, or CPU-P6. A kitchen-living room requires zoning — CPU-P3. The purpose determines the character of the decor.

Mistake 5. Not connecting ceiling decor with walls

The CPU ceiling kit works most effectively when connected to the wall system:Polyurethane wall decorin the form of frames, cornices, and overlays creates a unified decorative environment. A ceiling without wall support is a beautiful "island" in the space. A ceiling in conjunction with walls is a full-fledged interior scenario.polyurethane interior itemsSTAVROS allows you to build this entire system.

Where to buy CPU STAVROS kits

In the STAVROS catalog, the sectionCPU ceiling decor kits предоставляет полное сравнение всех шести позиций: состав, размеры, технические параметры, рекомендации по площади и высоте. Здесь можно выбрать готовый комплект лепного декора под спальню, гостиную, кухню-гостиную, кабинет, высокий потолок или парадный зал — с точным пониманием, что именно и за что именно.

Каждый комплект производится под заказ с гарантированным сроком от 5 рабочих дней, доставка — по всей России.

STAVROS — российский производитель архитектурного декора из полиуретана и плотного полистирола HIWOOD. Компания создаёт не отдельные элементы, а полноценные архитектурные системы: линейка CPU-P — это шесть готовых потолочных решений, каждое из которых является самостоятельным архитектурным сценарием. Весь ассортимент STAVROS — в едином каталоге: от moldings from polyurethaneandcrown moldingstoceiling rose и комплексных потолочных систем CPU-P1–CPU-P6. Это производство, которое понимает, что декор — это не украшение. Это архитектура.

FAQ: Answers to popular questions

Какой комплект CPU выбрать для спальни?
Для спальни — CPU-P5: камерная система для потолка 2,6–2,8 м и площади 18–25 м². Для более строгой классической спальни от 20 м² можно рассмотреть CPU-P1.

Какой комплект CPU выбрать для гостиной?
Для средней гостиной 25–35 м² — CPU-P3. Для парадной гостиной 28–45 м² — CPU-P4For a spacious living room of 35+ m² with a high ceiling —CPU-P6.

What to choose: CPU-P1 or CPU-P5?
CPU-P5 — for a bedroom, children's room, or compact apartment room with a ceiling from 2.6 m. CPU-P1 — for a more formal classic living room, study, or room from 20 m² with a ceiling of 2.7–2.8 m.

What to choose: CPU-P4 or CPU-P6?
CPU-P4 — four levels of corner accents, structural decorative hierarchy, formal living room 28–45 m². CPU-P6 — monumental large dominants, maximum saturation, hall from 35 m² with a ceiling from 2.9 m.

Which CPU kit is the most affordable?
CPU-P5 — 74,850 ₽. But importantly: this is not the "simplest," but the most precise for a bedroom and compact spaces.

Can CPU-P3 be used for a kitchen-living room?
Yes, this is the optimal choice. CPU-P3 creates a ceiling accent above the dining area or island, zoning the open space without excessive decorative load.

Which CPU kit to choose for a 3 m ceiling?
At a height of 3 m, CPU-P2, CPU-P4, and CPU-P6 start operating. For a hall of 35–50 m² with a ceiling of 3 m — CPU-P2 or CPU-P4. For a hall of 35 m² or more with a ceiling of 3.2 m — CPU-P6 reaches its full potential.