Why Are Muntins Common in Traditional Homes?

Why Are Muntins Common in Traditional Homes?

July 10, 2019

Muntins, also known as grilles or grids, were traditionally used to support glass panes of a window. They are offered in various styles, which can affect the cost, looks and maintenance needs of a window.

Why Are Muntins Common in Traditional Homes?

In this post, your local casement window provider, Renewal by Andersen® of Milwaukee discusses what muntins are.


In the late 1600s, muntins were widely used because they were necessary for a home’s structure. The exterior walls of older homes couldn’t support the weight of big windows. Muntins acted as support for the windows.

Today’s windows can be made with large glass pieces which didn’t need as much support. Still, many homeowners prefer the look of replacement windows with multiple panes.

Pros and Cons of Different Grille Types

  • Full Divided Light Grilles – Full divided light grilles copy the look of a true divided glass. Windows with these muntins are more efficient since they have fewer window edges. However, you can see that there’s nothing between the muntins if you look closely. They can also make it harder to clean your windows.

  • Between-the-Glass – Aluminum grilles are permanently installed between the panes when the windows are produced. This makes windows more authentic and easier to clean since there are no interruptions in the glass. The thing about this style is that the grille can be seen on the inside of the glass. Also, you can’t change the grille’s color if you wish to change your window trim color.

  • Interior Wood Grilles – Our hardwood grilles snap into the clips of the sash’s interior. They can be easily removed when you need to clean the glass. However, you can see from the outside that the window reflection isn’t interrupted like a real or simulated divided light window.

For stylish, durable and energy-efficient windows, choose Renewal by Andersen of Milwaukee. Our grilles are designed to be long-lasting and low-maintenance. We offer casement, double-hung, picture, specialty windows and more. Call us at (262) 522-3034 or fill in our online form to schedule a free consultation. We serve homeowners in Milwaukee, WI, and surrounding areas.

Hear From Our Customers

Jason and Brett did an awesome job installing our doors. We had separate installers a month earlier for our windows who also did a fantastic job. They were all very professional and cleaned up almost better than the area looked before the installation! Since these were both jobs that took more than one day the installers were great at keeping us informed on the status of where the project was at along the way.

This was a great crew to work with. Both the original install manager we worked with (Jay) and the install team (Daniel, Mason, Tony, Ethan, and Jose). Everyone was very professional and knowledgable. They answered all my questions and the end result on the house is great. In 3 days they replaced an old bay window with a new bay window, a set of french doors on the patio with a sliding patio door, and our old front door with a new front door and storm door.

I cant express how happy we are with choosing Andersen for our window installation. Our sales representative was knowledgeable with product and answered any questions we had without hesitation. I did also fill out a survey that was sent in an email, but sadly I failed to personally name the two gentlemen that performed the actual installation. Barrett and Francisco were our guys, and let me tell you, they were outstanding!!! They did Excellent work and were professional as well as efficient and made this a smooth, none evasive process for us. I strongly recommend this company and these installers to anyone in need of windows!!! My husband and I could not be more pleased we chose Andersen for replacing our windows!!!

Lucky Savings Event!
Entire Project Up To
Claim These Savings
Custom Built In USA
Lead Safe

Since its founding in 1977, the Alliance to Save Energy has been a leader in energy efficiency policy and advocacy. Over the years, the Alliance’s programs and priorities have evolved as U.S. energy efficiency policy has grown.