Commercial and Residential Glass Installer and Manufacturer Resource

Commercial Glass Fabrication Services: Designing for Manufacturability

Mar 8, 2022 10:13:00 AM / by Greg Martell

Glass design for manufactuability

Glass fabrication details can make the difference between a glass piece that is easy to install or one that’s outright unusable -- which can lead to costly delays.

Just like custom glass projects, no two commercial glass services companies are the same. All have different capabilities. 

However, several glass design elements can impact all commercial glass fabricators and their ability to manufacture an end product that’s both functional and beautiful.

Commercial Glass Fabrication Elements That Impact Glass Manufacturability

When designing a piece of custom glass, be mindful of these five elements that can make or quite literally break a project: 

  1. Shape
  2. Size
  3. Holes
  4. Cutouts
  5. Edgework 

Paying careful attention to these details during the design stage allows commercial glass companies to fabricate beautiful, custom-shaped pieces that meet your project’s demands.

1. Shape 

Shapes -- especially those that are non-traditional -- can be tricky for commercial glass manufacturers. Glass can only be cut once -- that’s why it’s important to discuss glass shaping at the onset of a project. Intricate designs may exceed a glass manufacturer’s capabilities. 

The best thing you can do to ensure the finished piece of shaped glass is exactly what you intended to order is to provide a quality template or pattern. For irregularly shaped glass, such as pieces for slab furniture, a digital photo of where the glass will be installed goes a long way

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2. Size

Not every commercial glass manufacturer has the same equipment. That means each may have limitations on the size of pieces they can fabricate. 

For instance, some large pieces cannot be fabricated as a single unit. A 20’ x 20’ wall mirror, for example, may need to be created in multiple pieces. Check with your manufacturer for any size limitations.

Relief Cut Graphics-01Relief Cut Graphics-02


3. Holes

This is particularly important with glass tempering services. The minimum hole diameter needs to be equal to the glass pane’s thickness. The placement of a hole in a tempered glass piece can’t be too close to a corner or edge because it becomes nearly impossible to fabricate as specified. A slotted hole may be required when the hole is too close to the edge. 

4. Cutouts

This applies mainly to single glass pieces with large cutouts, such as a bathroom mirror with a cutout for an inset medicine cabinet. Remember there are limits with the cutout/glass pane size proportions -- the larger the cutout, the more risk there is for breakage. 

5. Edgework

The thickness of your glass impacts the style of edgework you can use. Again, there are manufacturer limitations.

For example, at New Angle Beveling, an ogee edge is only available on ½″ and ¾″ thick glass, while a bullnose edge is ½”. The triple pencil edge (waterfall) can only be completed on ¾” glass.

Communicating Commercial Glass Designs for Increased Manufacturability

Designing a glass piece that meets a custom fabricated glass service company’s capabilities is only half of creating a manufacturable project. 

The other: communicating precisely what you expect of the finished product

Tell your commercial glass manufacturer exactly what you’ll be using the glass for and discuss all of your specifications upfront, even down to details such as tolerances. This ensures you are both on the same page. If you can help the manufacturer see your vision -- even by providing a rough sketch of the desired finished product -- the likelihood of getting it right the first time increases drastically.

By providing sufficient information and guidance on your project up-front, you reduce the need for back-and-forth telephone calls during production. This saves time -- and labor costs -- on everyone’s part and ensures you get the right product on time the first time.

(Need better communication with your commercial glass partner? Download this guide!)

Guide to partnering with a commercial glass company


Ask questions and be open to recommendations. If you don’t understand some terminology, just ask your glass fabrication partner and they’ll be happy to clarify. This makes the entire quoting, logistics, and production process much easier.

With in-depth information and excellent communication up-front, a skilled glass vendor using modern technology and state-of-the-art machinery can produce custom, high-quality pieces that make commercial glass installation a breeze.

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(Editor's note: This article was originally published in August 2020 and was recently updated).

Topics: Glass, Commercial Glass, Glass Design, Glass Manufacturing

Written by Greg Martell