Screen Printing: Definition, How It Works and Tips for Your Clothing

Screen printing is one of the oldest and most widely used printing techniques for personalising clothing. Event t-shirts, club hoodies, promotional tote bags: a large share of the printed garments you wear have been through a screen printing press. But how exactly does this technique work? Which inks are used, what equipment does it take, and when should you choose it rather than embroidery or heat transfer vinyl? In this complete guide, we explain everything, from the definition to care tips.

In this guide:

What is screen printing? Definition

Screen printing is a printing technique that pushes ink onto a surface through a screen, in other words a very fine mesh stretched over a frame. On this screen, only the shape of the design lets the ink through: the rest of the mesh is blocked. By pulling a squeegee across the screen, the printer forces the ink through the open mesh, and the design is transferred onto the garment placed underneath. It is the stencil principle, perfected.

The French word sérigraphie comes from the Latin sericum, silk (the material of the first screens), and the Greek graphein, to write or draw. In English we say screen printing or silk screen printing, in German Siebdruck (sieve printing). If you are looking for a short definition: screen printing is stencil printing, one colour at a time, through a fabric screen.

Screen printing on textiles is the best known application, but the technique also works on paper (posters, cards), glass, plastic or metal. In the world of custom clothing, it remains the reference for printing colourful logos and designs in series.

What sets screen printing apart from other printing methods

Unlike digital printing, which sprays ink through a print head like an office printer, or heat transfer vinyl, which bonds a cut material with heat, screen printing lays a layer of ink directly into the fibres of the fabric. This is what gives it bold colours and excellent wash resistance.

A short history of screen printing

Screen printing was born in China, under the Song dynasty (960-1279), where craftsmen used stencils stretched over fabric to decorate textiles. The technique then developed in Japan, where stencils fixed onto fine nets of silk or hair made it possible to print very detailed patterns on kimonos.

Screen printing reached Europe in the 18th century, but it remained rare: the silk needed to make the screens was very expensive. Everything changed at the beginning of the 20th century. In 1907, the Englishman Samuel Simon patented a printing process using a silk screen, and the technique quickly spread through industry, especially for posters and signs.

In the 1960s, screen printing entered art history with Pop Art: Andy Warhol used it for his famous portraits of Marilyn Monroe and his Campbell's soup cans, repeated in vivid colours. At the same time, the printed t-shirt became a means of expression: bands, slogans, brands. Screen printing became the go-to technique for printed clothing, and it still is.

Today, screens are no longer made of silk but of polyester, stencils are created photographically, and presses can print several colours in a row. The principle, however, has barely changed in a thousand years.

How screen printing works, step by step

Screen printing requires real preparation before printing. That is what makes it so cost-effective in series: once the screens are ready, each piece prints very quickly. Here are the steps of screen printing on textiles, as they happen in a workshop.

Step 1: preparing the artwork and separating the colours

Everything starts with your logo or design. The printer prepares it for printing, then separates the colours: each colour of the design needs its own screen and its own print pass. A 3-colour logo therefore needs 3 screens. Colours are chosen from the Pantone colour chart for faithful reproduction. This is also when you receive a preview, the proof, to approve before production.

Step 2: printing the films

Each colour is printed in black on a transparent film. These films act as "negatives": the black areas will block the light in the next step, the transparent areas will let it through.

Step 3: exposing the screens

Screens are frames, usually made of aluminium, with a polyester mesh stretched over them. They are coated with a photosensitive emulsion, then the film is placed on top and the whole is exposed to UV light in an exposure unit. The emulsion hardens where the light passes and stays soluble where the black film protects it. When rinsed, these areas open up: the shape of the design appears, ready to let the ink through.

Step 4: preparing the inks

The printer prepares each colour, mixes it if needed to obtain the right shade and adjusts its consistency. Ink that is too thick passes poorly through the mesh, ink that is too thin bleeds.

Step 5: registration

The screens are mounted on the carousel, the printing press that rotates around the garments. Registration means aligning each screen to the millimetre, so that the colours overlap exactly in the right place on the garment.

Step 6: printing with the squeegee

The garment is laid flat on a platen. The printer puts ink on the screen and pulls it with a squeegee: the ink passes through the open mesh and settles into the fibres. Colours are printed one after another. On a dark garment, a white underbase is printed first so that the colours stay bright.

Step 7: drying and curing

Finally, the garments go through a drying tunnel. The heat, usually around 150 to 160 °C, permanently cures the ink into the fibres. This step is what guarantees wash resistance. Each piece is then checked, folded and prepared for delivery.

The equipment of a screen printing workshop

A textile screen printing workshop brings together a few essential pieces of equipment. Knowing them helps you understand what drives the price and quality of a print.

  • Screens: a frame and a polyester mesh of varying fineness. A fine mesh allows precise details, a more open mesh lays down more ink (useful for white or dark garments).
  • Photosensitive emulsion and exposure unit: to create the stencil on the screen by UV exposure.
  • The squeegee: a rubber blade, more or less flexible, that pushes the ink through the screen.
  • The carousel: the printing press, manual or automatic, that holds the screens and rotates the garments.
  • The drying tunnel or flash dryer: to cure the ink at the right temperature.
  • Inks: chosen according to the fabric, the desired finish and environmental impact.

This screen printing equipment and the preparation time explain why the technique really pays off from a certain quantity: the cost of the screens is spread over the whole run.

Screen printing inks: plastisol, water-based and eco-friendly inks

The choice of ink changes the finish, the feel of the garment… and its impact on the environment. Two main families of inks are used in textile screen printing.

Plastisol inks

Plastisol inks are PVC-based. They are very opaque, easy to work with and give vivid colours, even on dark garments. On the other hand, they form a thin plastic layer on the surface of the fabric, slightly thicker to the touch, and contain plasticisers. Phthalate-free plastisols, which are better for health, are now available.

Water-based inks

Water-based inks use water as their base instead of PVC. The ink soaks into the fibre instead of sitting on top of it: the result is soft to the touch, breathable, and the design almost becomes part of the fabric. They are particularly suited to cotton and light-coloured garments. On dark garments, they require more expertise (underbase, more opaque inks).

Is screen printing with eco-friendly inks possible?

Yes. At Zigzag-Concept, depending on your project, we offer water-based inks that are kinder to the environment, like the eco-friendly inks now available on the market. Free of PVC, they reduce the use of solvents for cleaning screens and are perfectly suited to organic cotton garments. Combined with clothing made from organic or recycled materials, they make it possible to create more responsible custom clothing, without giving up bold colours.

Special effects in screen printing

Screen printing is not limited to flat colours. Thanks to special inks, it is possible to create effects that give a design character. Here are the most common ones:

  • Puff ink: it expands with heat and forms a relief of about one to two millimetres. The design takes on an almost 3D look, very popular on streetwear hoodies and t-shirts.
  • Metallic inks: gold, silver or copper, for a shiny and elegant finish.
  • Glitter inks: fine glitter mixed into the ink catches the light.
  • Glow-in-the-dark and fluorescent inks: to shine in the dark or under UV light, ideal for events and parties.
  • Discharge ink: instead of adding colour, it removes the dye from the fabric, for a vintage look and a no-feel print.
  • Crackle effect: a worn look, like a vintage t-shirt.

These effects depend on the garment, the design and the quantities. If you have a specific idea, mention it when you request a quote: we will tell you what is feasible for your project.

Advantages and limits of screen printing

Like every decoration technique, screen printing has its strengths and constraints. Knowing them helps you decide whether it suits your project.

The advantages of screen printing

  • Vivid colours, bold and true to the Pantone chart.
  • Excellent wash resistance: the ink is cured into the fibre.
  • The lowest price per piece in series: the larger the quantity, the lower the unit cost, because the screens are amortised.
  • Many supports: t-shirts, hoodies, polo shirts, tote bags, aprons, on light and dark garments alike.
  • Large print sizes are possible, on the front or back, with a sharp result.

The limits of screen printing

  • Not cost-effective for single items: preparing the screens takes the same time for 10 or 500 pieces.
  • Each colour adds a screen, and therefore cost and time.
  • Photos and fine gradients reproduce less well than with digital printing.
  • Difficult areas (sleeves, collars, seams) are trickier to print directly. In that case, screen print transfers are an option: the ink is printed on a sheet, then applied to the garment with a heat press.

Screen printing, embroidery, vinyl or DTF: which one to choose?

The best technique depends on your item, your design, the quantity and the use. Here are the main guidelines.

Technique Ideal for Quantity Finish
Screen printing colourful logos, events, tote bags medium and large runs vivid colours, flat
Embroidery polo shirts, caps, jackets, workwear from a few pieces premium, raised
Heat transfer vinyl names, numbers, text small runs sharp, one colour per material
DTF printing multicolour designs, technical fabrics from a single item all colours, fine
Digital printing photos, gradients from a single item detailed, soft

In short: choose screen printing for a logo with a few colours, printed on a large number of pieces, when you want bold colours at a controlled price. For a more premium finish on a polo shirt or a cap, embroidery is the better fit. For a single item or a photo, go for DTF or digital printing. Not sure? Discover all our garment decoration techniques.

Which garments can be screen printed?

Screen printing on textiles gives its best results on cotton and cotton-polyester blends. The items most often screen printed are custom t-shirts, hoodies and sweatshirts, tote bags and bags and workwear.

Can you do screen printing at home?

It is possible, and many home screen printing kits exist: a frame, a squeegee, some emulsion and ink. For a simple single-colour design on a few t-shirts, it is a fun creative activity.

The limits come quickly, however: without an exposure unit, the screen is hard to make cleanly; without a carousel, colours do not line up well; and without a drying tunnel, the ink is rarely properly cured, which makes it fragile in the wash. For clothing intended for a company, a club or an event, a professional screen printing workshop guarantees a sharp result, faithful colours and a print that lasts.

How to care for a screen printed garment

A well-made screen print withstands a great many washes. A few simple habits extend its life even further:

  • Wash the garment inside out, at 30 or 40 °C.
  • Avoid bleach and aggressive stain removers.
  • Prefer air drying to the tumble dryer.
  • Never iron directly on the print: iron inside out or with a protective cloth.
  • For special effect inks (puff, glitter), be even gentler: delicate wash and no tumble dryer.

Personalise your clothing with screen printing at Zigzag-Concept

Do you have a project for printed t-shirts, hoodies or tote bags? In our workshop in Holzem, we carry out your screen printing in Luxembourg, from preparing your artwork to delivery. We advise you on the technique, the ink and the most suitable items, and we send you a preview to approve before any production.

Send us your logo, the items you want and the quantities: request your quote, we will get back to you quickly.

Frequently asked questions about screen printing

What is the definition of screen printing?

Screen printing is a stencil printing technique: ink is pushed through a fine fabric screen on which only the shape of the design lets the ink through. Each colour has its own screen and is printed one after another.

What is the difference between screen printing and digital printing?

Screen printing lays down ink colour by colour through screens: it is very cost-effective in series and gives bold colours. Digital printing prints the design directly with a print head, without preparing a screen: it is better suited to single items, photos and gradients.

How many colours can be screen printed?

Several colours can be printed in a row, each with its own screen. The number of colours directly affects the price: a design in one or two colours is the most economical.

Does screen printing last in the wash?

Yes, it is one of its great strengths. Once cured at high temperature in the drying tunnel, the ink bonds with the fibre and withstands a great many washes, especially if the garment is washed inside out.

Are there eco-friendly screen printing inks?

Yes. Water-based inks, free of PVC, are a more environmentally friendly alternative to plastisol inks. They give a very soft feel and are particularly suited to organic cotton.

From what quantity is screen printing worthwhile?

Screen printing becomes worthwhile as quantities increase, because the cost of preparing the screens is spread over the whole run. For one or a few pieces, DTF or digital printing are often better suited. The easiest way is to tell us your quantities: we will recommend the most cost-effective technique.

Share this post