Guide to choosing shower glass

Choosing the right shower enclosure glass is one of the most important decisions when designing or renovating a bathroom, as it has a direct impact on the room’s appearance, comfort, safety and ease of maintenance. Glass not only acts as a protective barrier against splashes and moisture, but also serves as a key design feature that can completely transform the look and feel of the space. Whether you are creating a contemporary bathroom with a minimalist aesthetic or a more traditional setting, the right shower glass can enhance the room, create a greater sense of space and maximise natural light, helping to improve both comfort and the overall wellbeing of the most personal room in the home.

To choose the most suitable solution for your bathroom, it is important to consider several factors, including the type of glass, its thickness, finishes, special treatments (such as anti-limescale coatings and toughening), and, of course, the overall style of the space. Safety is another important factor, particularly in households with children or older adults. Choosing glass that is easy to clean and maintain will also help ensure lasting practicality and everyday convenience.

In this guide, you'll find practical advice and all the information you need to choose the ideal shower glass for your needs, helping you create a shower enclosure that is not only stylish, but also safe, durable and easy to enjoy every day.

Types of shower glass: features and differences

To choose the most suitable shower glass for your needs in terms of aesthetics, functionality, durability and safety, it is important to understand the characteristics of the different types of glass available. Not all glass is the same: it varies in composition, treatments, thickness, appearance and level of protection, all of which have a direct impact on everyday use and long-term maintenance.

The most commonly used type of glass for shower enclosures is undoubtedly toughened glass. This type of glass undergoes a thermal treatment at very high temperatures, followed by rapid cooling. This toughening process significantly increases its resistance to impacts, thermal shock and bending. One of the main advantages of toughened glass is its safety: if it breaks, it shatters into small, blunt fragments, greatly reducing the risk of injury. It is a highly durable and long-lasting material, suitable even for intensive use, making it the most versatile and widely recommended choice for the majority of bathrooms.

In addition to toughened glass, there are other options to consider. Laminated glass, for example, consists of two sheets of glass bonded together by an interlayer that holds the fragments in place if the glass breaks. This type of glass offers an even higher level of safety than toughened glass and can therefore be used in specific applications or in environments where there is a greater risk of breakage or flying glass fragments. In particular, laminated glass is required in sectors such as construction and transport, where glass panel sizes, thicknesses and mechanical stresses are significantly more demanding. In any case, it is always advisable to choose high-quality, certified glass manufactured by specialist companies – such as the solutions offered by Novellini – to ensure not only an excellent aesthetic finish, but also long-lasting safety and durability.

Factors to consider when choosing shower enclosure glass

Choosing the right shower enclosure glass requires careful consideration of several functional, technical and aesthetic aspects. Every bathroom has its own characteristics, and every design project has its own objectives. For this reason, it is important to consider even the smallest details before making your final choice. The main factors to take into account include:

bathroom layout and functionality: the first aspects to consider are the size of the bathroom and the setting in which the shower enclosure will be installed. In a smaller bathroom, clear glass can enhance the sense of space, while in larger bathrooms, glass with distinctive finishes, such as patterned or frosted glass, may be a better choice. How frequently the shower is used is another important consideration. In a second home or holiday property, for example, aesthetics may take priority, whereas in a main residence, where the shower is used every day, it is worth choosing solutions that are easy to clean and more resistant to everyday wear.

Surface treatments (anti-limescale): another important factor is the surface treatment applied to the glass. The most common option is an anti-limescale (or water-repellent) treatment, an invisible coating that repels water, preventing mineral deposits from building up on the surface and making the glass easier to clean.

Glass design and aesthetics: shower glass is also an important design feature and should complement the overall style of the bathroom. Today, a wide range of finishes is available, each offering a different visual effect. Clear glass is ideal for maximising natural light and making the room feel more spacious. Frosted glass, on the other hand, provides greater privacy, diffuses light evenly and helps conceal water marks. Screen-printed glass allows the glass to be personalised with geometric, floral or abstract patterns, turning it into a genuine decorative feature. Fluted glass, with its vertical grooves, creates elegant light effects and adds an attractive texture to the surface, giving the bathroom a distinctive character. Smoked or coloured glass can also give the space a more contemporary and exclusive look.

Frosted or clear shower glass: which should you choose?

Choosing between a frosted and a clear shower enclosure is one of the most common – and at the same time one of the most important – decisions when designing a bathroom. Both options offer distinct features and advantages, and the final choice depends on several factors, including the level of privacy required, the size and brightness of the bathroom, the overall interior style and everyday usage habits.

Clear glass is the ideal choice for modern, minimalist and light-filled bathrooms. Its main advantage is that it allows light to pass through completely, creating a greater sense of space and openness, even in smaller bathrooms or rooms with limited natural light. For this reason, it is particularly well suited to enhancing the perception of space in compact bathrooms. Clear glass also highlights the finishes inside the shower enclosure, such as wall tiles and brassware, enhancing their visual appeal and creating a seamless flow between the shower area and the rest of the bathroom. However, water droplets, fingerprints and soap residue are immediately visible on the surface, and without an anti-limescale treatment, the glass can quickly lose its clarity and become more difficult to keep looking its best.

Frosted glass, on the other hand, is the ideal solution for ensuring privacy without compromising the flow of light. Thanks to its opaque finish, it completely obscures the view into the shower enclosure, making it particularly suitable for shared bathrooms, guest bathrooms or hospitality settings. It also has the advantage of concealing limescale, fingerprints and other marks more effectively, making it a more practical option for everyday use. From an aesthetic point of view, it complements both contemporary and more traditional interiors, adding a refined and elegant touch to the bathroom. Despite its opaque appearance, frosted glass still allows light to pass through in a soft, diffused way, helping to keep the room bright.

In some cases, partially frosted or screen-printed glass can also be an excellent option, combining the benefits of both finishes. These solutions provide privacy where it is needed while leaving the upper section clear, allowing natural light to flow freely through the space.

What is the ideal thickness for shower glass?

The thickness of the glass is one of the most important factors to consider when choosing a shower enclosure, as it directly affects the safety, stability, durability and overall appearance of the installation. There is no single thickness that is suitable for every situation, as each type of shower enclosure – whether sliding, hinged or walk-in – and every panel size requires a different level of strength. Choosing the right thickness therefore means taking into account the type of opening, the overall dimensions of the enclosure, whether it features profiles or hinges, the type of glass used and the level of safety required.

The most common glass thicknesses for shower enclosures are 4 mm, 6 mm, 8 mm and 10 mm, although some bespoke design solutions may use 12 mm glass or even thicker. 4 mm or 5 mm glass is generally used for shower enclosures with sliding doors or systems where the panels are supported by metal frames. It is lightweight, practical and well suited to compact shower enclosures or installations where the glass is properly supported by the surrounding structure. Although it offers a good balance between functionality and lightness, it is less stable when used without adequate structural support.

6 mm glass is now the most common choice for modern shower enclosures, as it offers an excellent balance between lightness and performance. It is suitable for sliding shower enclosures and hinged doors with standard-sized panels, ideally when supported by framing profiles. At this thickness, the glass already provides good mechanical strength for medium-sized panels without becoming excessively heavy or difficult to install.

8 mm glass offers improved performance for shower enclosures with larger doors and minimalist hinges, providing excellent stability even without surrounding profiles. It is particularly suitable for fixed panels, walk-in showers and hinged doors, where the glass is often installed without a frame or with very slim profiles.

10 mm glass, on the other hand, is generally used for large shower enclosures, striking walk-in shower configurations and spa or wellness environments. This thickness provides maximum strength and stability, making it ideal for frameless or self-supporting glass installations. However, because it is thicker and heavier, it also requires appropriate supporting structures and professional installation.

The choice of glass thickness also depends on the size of the panel: the larger the glass panel, whether in height or width, the greater the thickness required to prevent flexing or instability. It is also important to remember that, regardless of its thickness, glass used in shower enclosures should always be toughened to ensure impact resistance and safety in the event of breakage. In addition, glass thickness also influences the overall visual effect: thicker glass gives the shower enclosure a more substantial, refined and premium appearance.

Novellini shower enclosure glass: Made in Italy quality, safety and sustainability

Novellini shower enclosure glass is designed to combine functionality, safety and refined aesthetics. Every glass panel is manufactured using high-quality raw materials, processed to the highest technological standards and in full compliance with European regulations, ensuring a product that is not only visually appealing, but also safe, durable and easy to maintain over time.

Novellini shower glass is available in a wide range of finishes, including clear, patterned, coloured, decorated and mirrored glass, allowing every shower enclosure to be perfectly matched to your personal style and the overall design of your bathroom. Glass thicknesses range from 4 mm to 10 mm, and every panel is made exclusively from toughened safety glass to provide excellent resistance to impacts, thermal shock and everyday use. Each glass panel is manufactured in accordance with EN 12150-1 and complies with EN 14428, the European standard governing the manufacture of shower enclosures. This certification guarantees the quality of the glass while protecting both consumers and retailers through full product traceability and clear identification of the manufacturer.

Novellini glass also features the exclusive Crystal Clear anti-limescale treatment, which provides greater resistance to limescale deposits, making the glass easier to clean and more hygienic thanks to its proven ability to reduce bacterial contamination. Unlike the more conventional treatments used by many manufacturers, Crystal Clear is applied at high temperature during the toughening process, allowing it to bond permanently with the glass and deliver long-lasting performance.

In addition, the company adopts a highly responsible manufacturing approach. Every glass cut is optimised using a computer-controlled system to minimise waste. Offcuts are not discarded but returned to the glass manufacturer, where they are recycled and transformed into new glass panels ready for use. This process not only reduces environmental impact but also ensures the traceability of the glass throughout its entire lifecycle. At the end of its service life, the glass is regenerated rather than sent to landfill, further demonstrating Novellini's genuine commitment to sustainability.