How to choose the right cap

The spray cap is much more than just an accessory: it determines the flow control, the width of the spray, and the quality of the paint application. Using the right cap makes your work more precise, clean, and professional —whether you 're painting walls, objects, canvases, or lettering .


Types of spray caps:
differences and uses

1. Skinny Caps — for precision work

Ideal for thin lines, clean outlines, and detail work. Skinny caps are perfect for outlining and finishing .

Main features:

  • Fine jet (0.4–1.2 cm)
  • Extremely high control
  • Great for stencils and precise drawings

Famous examples: Skinny Pro , Banana Skinny , Level 1

2. Fat Caps — for fills and backgrounds

Fat caps are designed to cover large surfaces quickly, perfect for backgrounds and blending.
Their broad flow allows for uniform areas and a full application of color.

Characteristics:

  • Wide jet (4–10 cm)
  • High paint flow rate
  • Great for backgrounds and large murals

Recommended models: Pink Fat , Super Astro Fat , Hardcore Cap

3. Soft and Medium Caps — balance and versatility

Soft caps combine control and coverage. Ideal for blending, gradients, and tonal transitions , they're a favorite for those who love precision and softness.

Characteristics:

  • Medium jet
  • Good blood pressure control
  • Ideal for blending, decorations and touch-ups

4. Special Caps — for effects and creativity

Here the world of special caps opens up, ideal for particular effects, directional or calligraphic sprays .
The Calligraphy Caps , for example, allow you to alternate horizontal and vertical lines by adjusting the rotation of the cap.

Characteristics:

  • Directional jets
  • Decorative and artistic effects
  • Versatile use for lettering, wall art, and texture

Examples: Calligraphy Cap , Needle Cap

5. Night Quill Spray Attenuators — absolute precision and comfort

New in the Special Caps section are the Night Quill spray attenuators , tools designed to improve the stability and control of the spray jet when using the can.

The Night Quill acts as an “ergonomic trigger” that you can fit over the cap.
Allows you to adjust the pressure , reducing finger fatigue , preventing paint stains and improving precision in detail work .

Benefits of Night Quill attenuators:

  • Ultra-precise flow control
  • Comfort even during long sessions
  • Suitable for all types of caps
  • Perfect for writing, decorations and technical painting

Helpful tips


acetone cap cleaner

To achieve flawless results with spray paints :

  • Clean the cap after each use (spray lightly with the can upside down or use acetone )
  • Store and reuse caps and test them on different surfaces
  • Always test your pour on a board before starting.

In conclusion


The right cap is the secret to transforming a simple spray can into a precise and personalized tool .
Whether you're a writer, muralist, or restyling enthusiast, the caps you can find on SOUTHSIDESPRAY offer absolute quality, variety, and control .

Back to blog