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Puck Screens and Paper Filters: A Guide to Choosing the Right Thickness for Your Espresso Brewing

puck screen in portafilter
Puck screen in portafilter

Complete Guide to Puck Screens: Sizes, Thickness & Benefits


When it comes to brewing the perfect espresso, every detail counts. One tool that's becoming a game-changer in espresso brewing is the puck screen . Whether you're a beginner barista or a seasoned coffee enthusiast, puck screens can make a noticeable difference in your coffee quality. In this guide, we'll dive into what puck screens are, explore various thicknesses and sizes, and understand how they fit different machines. Plus, we’ll look at the added benefit of using paper filters under the puck.


What is a Puck Screen?


A puck screen is a thin, durable disc made from stainless steel or other food-safe materials. It's placed directly on top of the coffee grounds in your portafilter before extraction. The puck screen serves to distribute water evenly across the puck, reducing channeling and ensuring a consistent extraction. With puck screens , espresso enthusiasts experience a cleaner shot, better flavor, and an easier puck removal process.


Different Puck Screen Thicknesses and Their Impact


Puck screens come in various thicknesses, each impacting the extraction process in unique ways. Let's examine the most common thicknesses available: 1.0mm, 1.7mm , and the ultra-thin 0.7mm .


1.0mm Puck Screen


The 1.0mm puck screen is the standard choice for most home and commercial setups. This thickness balances durability and effectiveness, ensuring even water distribution across the coffee puck. With 1.0mm , you get a balance between minimizing channeling and not affecting the flow rate too much. Many home baristas find this thickness perfect for everyday use.


1.7mm Puck Screen


For those seeking a thicker option, the 1.7mm puck screen is ideal. The additional thickness provides more stability, especially for higher pressure espresso shots. 1.7mm screens also add a bit of weight, which some find useful for ensuring the puck stays well compressed and evenly saturated. This option can be helpful in commercial environments or for baristas looking to experiment with extraction consistency .


0.7mm Ultra Thin Puck Screen


On the opposite end, the 0.7mm ultra-thin puck screen offers a lightweight solution for espresso enthusiasts. This thickness reduces the distance between the water and coffee grounds, allowing for quicker saturation. The ultra-thin 0.7mm screen is favored by some baristas for its minimalist impact on flow rate, offering a subtle enhancement without major alteration to the espresso’s natural extraction. However, thinner screens can sometimes wear down faster, so keep that in mind if you plan on daily use.


Benefits of Paper Filters Under the Puck


Another innovation for espresso brewing is placing paper filters on the bottom of the puck. This technique works well with or without a puck screen on top, providing even more control over extraction.

Using a paper filter beneath the coffee grounds creates an additional layer to prevent grounds from clogging the filter basket holes. It can also reduce the amount of fines—those tiny coffee particles that sometimes end up in your shot. The result? A cleaner espresso shot with a smoother finish.



  • Cleaner Shots : The paper filter traps coffee fines, reducing sediment in your espresso.
  • Consistent Extraction : By acting as a barrier, the paper filter encourages more even water distribution across the puck.
  • Easier Cleanup : Less residue in the portafilter makes for quicker and simpler cleanup.


Combining a puck screen on top of your coffee grounds with a paper filter at the bottom can give you precise control, leading to excellent espresso quality, especially for those who value a smooth, clean cup.

Different Puck Screen Sizes and Compatibility with Espresso Machines


Not all puck screens are created equal in terms of size. The most common sizes available are 51mm, 53mm, and 58mm . Knowing which size fits your machine is essential to ensure the best brewing experience.


51mm Puck Screen


The 51mm puck screen is a popular choice for smaller espresso machines, especially those designed for home use. Brands like Delonghi and some Breville models often have a 51mm portafilter basket, making the 51mm screen a perfect match. With this size, you’ll find it fits snugly, ensuring even distribution across the coffee puck.


53mm Puck Screen


Slightly larger, the 53mm puck screen suits other Breville models, such as the Breville Bambino and Breville Barista Pro. 53mm screens provide a tailored fit for these machines, offering excellent coverage and ensuring a consistent extraction process. As Breville machines grow in popularity among home baristas, the 53mm puck screen has become a standard choice.


58mm Puck Screen


For the more commercial-grade machines, the 58mm puck screen is the most widely used. It fits machines like those from La Marzocco, Rocket, and ECM , which come with 58mm portafilters . Since the 58mm puck screen covers a larger area, it’s an excellent choice for baristas working with professional-grade equipment. This size is the industry standard for high-end machines, allowing for precise control and clean, consistent extractions.


How to Choose the Right Puck Screen for Your Espresso Routine


When choosing a puck screen , consider both size and thickness based on your espresso machine and brewing preferences. If you have a smaller machine with a 51mm portafilter or 53mm portafilter , selecting a 51mm puck screen will ensure proper fit and function. For those working with larger or commercial machines, a 58mm puck screen will offer the best compatibility. Ensure you check compatibility for sizes when ordering.


Additional Tips for Using Puck Screens


  • Experiment with Thickness : Try different thicknesses to see how they affect your shot. If you’re seeking more resistance, go for a thicker 1.7mm screen ; for lighter flow, try the 0.7mm option .
  • Combine with Paper Filters : Consider placing a paper filter beneath the coffee grounds for added clarity and cleaner extraction .
  • Regular Cleaning : Since coffee oils and fines can accumulate, be sure to clean your puck screen after each use for optimal performance and durability.

Conclusion on Puck Screens


Puck screens offer an innovative solution for home and professional baristas seeking to improve their espresso quality. With options in thickness (from 1.0mm to ultra-thin 0.7mm ) and various sizes ( 51mm, 53mm, and 58mm ), there’s a puck screen for every type of espresso machine and coffee preference. Whether you're interested in cleaner shots, consistent extraction, or experimenting with espresso techniques , the right puck screen can elevate your experience. And if you’re looking for that extra edge, try using a paper filter on the bottom of the puck for an even cleaner cup .


Investing in a puck screen is a small step with big returns, making each shot more enjoyable and your espresso journey more rewarding. Try different combinations and find the best fit for your espresso setup—your taste buds will thank you!

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