Rectangular bathtubs

Rectangular bathtubs are among the most versatile and easily integrated solutions in bathroom design.

Their regular lines allow them to be installed along a wall, between two walls, inside a recess or within a custom-built structure. This flexibility makes them suitable for both compact bathrooms and larger interiors, where the bathtub can become one of the central elements of the composition.

Infinito Italian Bath Atelier offers a selection of rectangular bathtubs characterised by different dimensions, proportions and configurations.

Compact models, traditional bathtubs, deeper solutions, double bathtubs and generously sized designs make it possible to identify the configuration best suited to the available space and to each individual way of experiencing the bathroom.

This category is dedicated to bathtubs without hydromassage systems, designed for those who prefer an essential structure, intuitive use and greater freedom when choosing the faucets, wall coverings and surrounding accessories.

The most versatile shape for the bathroom

The rectangular geometry makes it possible to organise the space rationally, use the length of the walls efficiently and reduce areas that are difficult to furnish.

A rectangular bathtub can be installed:

• along a wall;

• between two walls;

• inside a recess;

• within a clad structure;

• on a raised base or platform;

• as part of a larger architectural composition;

• in a more open position, when the model and the space allow it.

This versatility allows the same geometry to be used in very different projects, from compact urban bathrooms to large bathrooms in villas, suites, hotels and hospitality properties.

To compare other shapes and configurations, explore the complete bathtub collection.

Built-in rectangular bathtubs

Built-in rectangular bathtubs are inserted into a specially designed structure that is subsequently clad.

This solution makes it possible to integrate the bathtub fully into the architecture of the bathroom, creating visual continuity with floors, walls, countertops and other furnishing elements.

The cladding may be made from:

• marble;

• natural stone;

• porcelain stoneware;

• ceramic tiles;

• continuous surfaces;

• wood-effect materials;

• panels coordinated with the rest of the interior.

The structure may feature a thin, minimal edge or become a wider support surface on which towels, bathing products, accessories and decorative elements can be placed.

When the bathtub is built in, it is important to provide technical access to the waste, trap and any components that may require inspection or maintenance.

Rectangular bathtubs with panels

A rectangular bathtub can be completed with coordinated front and side panels, avoiding the need to build a masonry structure.

This configuration can simplify installation and create an orderly, visually uniform composition.

Depending on the position of the bathtub, the following may be required:

• one front panel;

• one front panel and one side panel;

• panels on several sides;

• complete panelling for more open installations.

A bathtub placed between two walls will require a different solution from a model installed in a corner, along a single wall or in a more exposed position.

The choice must therefore take into account the model, the bathroom configuration and the number of sides that will remain visible after installation.

Compact rectangular bathtubs for small bathrooms

In smaller bathrooms, the rectangular shape makes it possible to use the linear development of the room efficiently.

A compact model can be installed along the longest wall, beneath a window or inside a recess, leaving the remaining space available for the washbasin, sanitaryware and storage furniture.

The choice should begin with the actual measurements of the room, not only with the nominal length of the bathtub.

It is also necessary to consider:

• the overall width;

• the space required to enter and leave the bathtub;

• the position of doors;

• the opening of furniture and drawers;

• the distance from sanitaryware;

• the position of the faucets;

• the route of the plumbing;

• the space required for cleaning.

A shorter bathtub does not necessarily provide less comfort.

The internal shape, depth, backrest inclination and distribution of the usable space can influence the bathing experience more than the external dimensions alone.

Large rectangular bathtubs

In larger interiors, a rectangular bathtub can assume generous proportions and become the principal visual element of the bathroom.

Large bathtubs provide greater freedom of movement, a wider internal area and, in some models, the possibility of being used by two or more people.

They can be installed in:

• master bathrooms;

• villas and private residences;

• suites;

• hotels and resorts;

• wellness areas;

• high-end contract projects.

The bathtub can be enhanced with a raised base, an important cladding material, a feature wall or a lighting system designed around its dimensions.

Its proportions must, however, remain balanced in relation to the room. A very large bathtub placed in an insufficient space can obstruct movement and reduce the overall functionality of the bathroom.

Rectangular bathtubs for two people

Some rectangular models are designed to provide an internal space suitable for two users.

In a double bathtub, it is important to evaluate not only the external width but also:

• the arrangement of the backrests;

• the shape of the base;

• the position of the waste;

• the actual usable surface;

• the available legroom;

• the water capacity;

• the total weight of the filled bathtub.

The configuration may include two opposing backrests, side-by-side seating, a particularly spacious interior or a symmetrical structure designed to provide balanced comfort for both users.

Even when used by one person, a double bathtub can provide a greater sense of freedom and make it easier to change position.

Ten rectangular bathtubs for different ways of experiencing the bathroom

The Infinito Italian Bath Atelier collection includes ten rectangular bathtubs with different dimensions, proportions and intended uses.

From compact models designed for smaller bathrooms to large double and multi-person solutions, each bathtub interprets the rectangular geometry according to a specific idea of comfort.

Minimal Duo 180 × 120

Minimal Duo 180 × 120 is a generously proportioned rectangular bathtub designed to accommodate two people comfortably.

Its essential design combines a spacious interior with a clean, contemporary structure.

It can be installed as a built-in bathtub or completed with coordinated panels, adapting to different interior projects.

Its dimensions make it particularly suitable for master bathrooms, suites and private residences in which bathing is also interpreted as a shared experience.

Recta 170 × 80

Recta 170 × 80 interprets the rectangular bathtub through modern lines and balanced proportions.

The ergonomic double backrest and integrated waste cover help create an orderly, harmonious and comfortable interior.

Its dimensions allow it to be integrated into bathrooms that are not excessively large while maintaining a configuration suitable for both individual relaxation and shared use.

Recta Duo 180 × 80

Recta Duo 180 × 80 is a two-person bathtub characterised by a symmetrical structure and two opposing backrests.

The centrally positioned waste allows both users to enjoy the bathtub without the technical components interfering with comfort.

It can be installed along a wall, in a corner or within a more open composition.

Classic 105 × 70

Classic 105 × 70 is the most compact model in the collection.

Its reduced dimensions make it possible to install a genuine bathtub in interiors where a traditional solution would be too large.

It is particularly suitable for small bathrooms, second homes, hotel rooms and projects in which every centimetre must be used carefully.

Pratika 70 × 120, 130 or 140

Pratika is a compact rectangular bathtub available in different lengths.

Its thin edges allow the internal surface to be used efficiently, while the shaped backrest encourages a more comfortable position.

The 120, 130 and 140-centimetre sizes make it possible to choose the most suitable configuration even in bathrooms subject to particularly strict dimensional constraints.

Luna 135 × 195

Luna 135 × 195 is a large bathtub designed to provide a spacious and comfortable interior.

The two symmetrical backrests allow both users to assume a natural position, while the generous width makes the interior feel freer and more welcoming.

It is suitable for large master bathrooms, suites, villas and interiors where the bathtub is intended to become the focal point of the composition.

Linear Duo 100 × 190

Linear Duo 100 × 190 is a rectangular bathtub for two people that combines substantial length with a more restrained width than the larger models.

These proportions create a comfortable space for two users without occupying an excessively large area.

The symmetrical configuration enhances shared relaxation and integrates naturally into contemporary bathrooms characterised by order and linearity.

Mary 190 × 160

Mary 190 × 160 is a large rectangular bathtub designed to accommodate up to four people.

Its exceptional dimensions bring the product close to the concept of a small private wellness area dedicated to relaxation and sharing.

It requires a spacious interior and careful planning of the available area, plumbing, structural load and required water volume.

It is suitable for villas, large suites, hospitality properties and exclusive projects in which the bathtub has a strongly scenic presence.

Flipper 200 × 120

Flipper 200 × 120 is a generously proportioned bathtub with a length of two metres.

The spacious interior makes it possible to stretch out comfortably and makes the model suitable for both individual use and shared relaxation.

Its important presence should be enhanced with adequate surrounding space, carefully planned lighting and materials capable of responding to the dimensions of the bathtub.

Afrodite 170 × 70/85

Afrodite 170 × 70/85 reinterprets the rectangular geometry through a slightly flared profile.

Its variable width increases the space around the upper body without sacrificing the ease of placement typical of linear bathtubs.

It is suitable for those who want a less rigid rectangular bathtub capable of combining practicality, comfort and softer lines.

A collection for different dimensions and requirements

The ten models demonstrate how the rectangular form can respond to very different needs.

Classic and Pratika are designed for more compact interiors.

Recta and Recta Duo represent balanced and versatile solutions.

Minimal Duo, Luna and Linear Duo provide more space and shared comfort.

Flipper expands the proportions further, while Mary transforms the bathtub into an experience designed for several people.

Afrodite introduces a softer geometry while preserving the practicality of the rectangular configuration.

The choice depends on the available space, the number of users, the position of the product and the way in which the bathroom is intended to be experienced.

Bathtub dimensions and proportions

The external dimensions are the first element to verify, but they are not sufficient to determine the actual comfort of the product.

Two bathtubs with the same length and width can provide different internal surfaces due to the thickness of the edges, the shape of the walls, the inclination of the backrest and the position of the waste.

Before choosing a model, it is useful to evaluate:

• external length;

• external width;

• overall height;

• internal depth;

• usable base length;

• backrest inclination;

• width around the shoulders;

• position of the waste and overflow;

• water capacity;

• weight of the empty and filled bathtub.

The model should suit not only the dimensions of the room but also the body shape and habits of the people who will use it.

A tall person may place greater importance on internal length, while someone who prefers a more enclosed position may appreciate a more inclined and supportive backrest.

Comfort and ergonomics

A rectangular external shape does not necessarily imply a rigid interior.

The internal surface may feature soft lines, inclined backrests, shaped lumbar areas and forms designed to support the natural position of the body.

Comfort depends on the balance between:

• length and width;

• depth;

• backrest inclination;

• lumbar support;

• arm position;

• legroom;

• ease of entering and leaving the bathtub.

A particularly deep bathtub can provide a more complete immersion but may require greater care when entering and leaving it.

A lower model may be easier to use, especially when the bathroom is intended for people with different needs.

The choice should therefore consider not only the visual result but also the way in which the bathtub will be used every day.

Rectangular bathtubs without hydromassage

The bathtubs in this category do not include Airpool, Whirlpool or combined massage systems.

They are intended for traditional bathing and immersion, without pumps, jets or circuits dedicated to the movement of water and air.

This configuration offers several advantages:

• greater structural simplicity;

• less complex installation;

• no mechanical components dedicated to massage;

• greater freedom when choosing the faucets;

• simpler routine maintenance;

• attention focused on form and comfort.

Those seeking a bathtub with jets and wellness functions can explore the whirlpool bathtub collection.

Faucets for rectangular bathtubs

The faucets should be selected according to the model, the position of the bathtub and the plumbing arrangement.

The principal configurations include:

• wall-mounted faucets;

• deck-mounted faucets;

• faucets installed on an adjacent surface;

• floor-mounted faucets;

• systems with a separate spout and hand shower.

In a built-in bathtub, the faucets may be installed on the surface surrounding the product, provided that sufficient space and suitable technical access are available.

A wall-mounted solution keeps the rim clearer and is particularly suitable for linear installations.

Floor-mounted faucets are used mainly when the bathtub is positioned away from the wall or when a more dramatic composition is desired.

Before choosing, it is necessary to verify compatibility between the model, the water flow rate, the position of the connections and the waste system.

To complete the project, explore the bathroom-faucet collection.

Materials and finishes in the bathroom

The rectangular geometry interacts easily with the materials and lines typical of contemporary architecture.

Marble cladding can give the composition an important and sophisticated character.

Porcelain stoneware makes it possible to create uniform, durable surfaces coordinated with the floor.

Wood and wood-effect materials introduce warmth and make the room feel more welcoming.

In a minimalist project, the bathtub can be integrated into an essential structure with thin edges and neutral colours.

In a more classical bathroom, it may be enhanced with decorative materials, mouldings, panelling and refined metal finishes.

Its regular shape creates continuity or contrast with suspended furniture, rectangular washbasins, geometric mirrors, feature walls, shower enclosures and storage elements.

Accessories for completing the bathtub area

Accessories help make the bathtub area more functional, orderly and comfortable.

Shelves, storage accessories, side tables, towel rails, hooks and seating can be positioned nearby, keeping everything required during bathing within easy reach.

Their position should not obstruct access to the bathtub or reduce the available circulation space.

In a linear composition, accessories with coordinated geometric forms can be used to create continuity between the bathtub, faucets and surrounding furniture.

To organise every detail, explore the designer bathroom accessories.

Rectangular bathtubs used as showers

A rectangular bathtub can also be used as a shower area when the model, faucets and bathroom configuration allow it.

In this case, it is important to evaluate:

• whether the base is suitable;

• the position of the overhead shower;

• the accessibility of the hand shower;

• splash containment;

• ease of entering and leaving;

• the position of the faucets;

• protection of the surrounding walls.

Installing a bathtub screen or enclosure helps contain the water and makes the area more versatile.

For solutions designed from the outset to combine both functions, explore the bathtub-shower combinations.

Installation and plumbing preparation

Before installation, the position of the waste, water connections and faucets must be defined precisely.

In the case of a built-in bathtub, the surrounding structure must be designed according to the actual dimensions of the model and its technical requirements.

It is necessary to verify:

• the level and load-bearing capacity of the floor;

• the position of the waste;

• accessibility of the trap;

• stability of the support;

• connection to the water supply;

• sealing of the edges;

• protection of the surrounding surfaces;

• any openings required for inspection and maintenance.

Installation should be carried out by qualified professionals, avoiding modifications to the bathtub structure that are not approved by the manufacturer.

Advance planning helps prevent incompatibilities and allows the product to be integrated into the interior precisely and cleanly.

Cleaning and maintenance

Regular cleaning helps preserve the appearance of the bathtub and limit the formation of soap residue and limescale.

A soft cloth or non-abrasive sponge should be used together with cleaning products compatible with the surface material.

Rough tools, aggressive substances and products that could scratch, dull or alter the finish should be avoided.

After bathing, it can be helpful to rinse the surface and remove any remaining water.

The waste, overflow, seals and joints should also be checked periodically to ensure that they remain clean and function correctly.

Rectangular bathtubs for hotels, suites and contract projects

The versatility of the rectangular shape makes these bathtubs suitable for professional interiors and hospitality properties.

In a suite, the bathtub can be installed inside the bathroom, close to the sleeping area or in front of a large window, becoming a distinctive element of the guest experience.

In hotels and resorts, it is important to evaluate:

• ease of use;

• durability of the surfaces;

• ease of cleaning;

• accessibility;

• water consumption;

• long-term durability;

• integration with the style of the property;

• availability of suitable technical spaces.

In contract projects, the variety of available dimensions makes it possible to choose models for different rooms and interiors while maintaining a consistent visual identity.

How to choose a rectangular bathtub

The choice should begin with the available space and the intended installation position.

It is therefore necessary to consider:

• the overall dimensions of the bathroom;

• the available length and width;

• the number of walls surrounding the bathtub;

• the possible presence of a recess;

• the position of doors and windows;

• existing plumbing;

• the type of faucets;

• individual or shared use;

• the body shape of the users;

• the overall style of the interior.

It is then possible to compare depth, internal geometry, backrest inclination, water capacity and installation method.

The best bathtub is not necessarily the largest, but the one that integrates into the project without sacrificing comfort, functionality or freedom of movement.

Essential geometry and Italian elegance

The rectangular bathtub expresses a form of beauty based on proportion, order and clarity of line.

Its geometry adapts to different styles and can be transformed through materials, cladding, faucets and its relationship with the surrounding architecture.

In a compact bathroom, it makes it possible to use the space rationally.

In a larger interior, it can become an important presence capable of defining the entire composition.

Infinito Italian Bath Atelier interprets the bathtub as a personal space dedicated to self-care, where design, comfort and the Italian culture of living come together.

Frequently asked questions about rectangular bathtubs

What are the advantages of a rectangular bathtub?

Its regular shape makes it possible to use walls efficiently, integrate the bathtub easily into recesses and built-in structures and adapt it to bathrooms of different sizes.

Is a rectangular bathtub suitable for a small bathroom?

Yes. Compact models can be installed along a wall, beneath a window or inside a recess, provided that width, access and circulation spaces are also evaluated correctly.

What is the most compact rectangular bathtub in the collection?

Classic 105 × 70 is the smallest model and is designed for compact bathrooms, hotel rooms and interiors where the available space must be used with particular care.

Are rectangular bathtubs available for two people?

Yes. The collection includes several double models, including Minimal Duo, Recta Duo, Luna and Linear Duo.

Can rectangular bathtubs be built in?

Yes. Many models can be integrated into a clad structure, provided that the technical instructions are followed and access to the plumbing is maintained.

Can the bathtub be completed with panels?

It depends on the model. Some bathtubs can be completed with coordinated front and side panels, avoiding the need for a masonry structure.

Do the bathtubs in this category include hydromassage?

No. The category includes bathtubs intended for traditional bathing and without Airpool, Whirlpool or combined systems.

Which faucets are suitable for a rectangular bathtub?

Wall-mounted, deck-mounted, adjacent-surface or, in certain configurations, floor-mounted faucets may be used.

The choice depends on the model and the plumbing preparation.

Can a rectangular bathtub also be used as a shower?

Yes, when the configuration allows it and suitable faucets and a splash-containment system, such as a bathtub screen, are installed.

How should the correct size be chosen?

The room measurements should be compared with the external and internal dimensions of the bathtub, while also evaluating access, depth, backrest inclination, capacity and circulation space.

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