All about Perforated Grilles and Registers

Shoemaker perforated grilles are high quality and easy to install. With 3/16" holes on 1/4" staggered centers, the perforated grilles provide 58% free area. Available as surface mount, T-Bar, and spiral mount, we have a mounting style to fit your needs. Shoemaker Mfg. also manufactures perforated filter grilles with 1", 2", or 4" filter depth as a surface mount or T-Bar mount. With various mounting styles, filter depths and color choices, Shoemaker perforated grilles are a great addition to your project.

Perforated Subgroups

Surface Mount

Surface Mount

  • Perforated surface mount grilles are available in a variety of sizes, including fractional, exact OD, and exact ID.
  • Surface mount grilles come with countersunk mounting holes and color matching Philips Pozidriv screws.
  • Series include: 600P, 620PFG


  • Perforated T-Bar grilles are available in 1x1, 1x2, 2x2, or 2x4 panel sizes.
  • The perforated face can be the whole T-Bar panel or a smaller perforated grille in a blank T-bar panel.
  • Perforated T-Bar filter grilles are standard with a 2" filter depth but a 1" or 4" filter depth may also be available.
  • Series include: 105P, 105PTFG, 600PT, 620PTFG, 700-600P, 830, PT


  • Spiral mount grilles are available with an optional perforated face.
  • Series include: RS34, RS52, SD34, SD52, USR34, USR52

Relevant Literature and Case Studies


Q: I have a competitor’s perforated grille that I am trying to match. How can I find out what the Shoemaker Mfg. equivalent is?

A: Use our handy Cross Reference.

Q: I need a spiral grille with a perforated face. Does Shoemaker offer anything?

A: Shoemaker spiral grilles are standard with adjustable blades. However, there is an option to order these with a perforated face.

Q: I need a perforated filter grille. What are my options?

A: Shoemaker offers the 620PFG, 620PTFG, and 105PTFG.

Q: I need a perforated panel for a T-Bar ceiling but I don't need a frame. Does Shoemaker offer anything like this?

A: Yes, please look at our PT series.