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The Daily Insight

Are glass bricks outdated

Author

Emily Dawson

Published Feb 28, 2026

The love affair with glass block frames among homeowners is historical. Over time, this trend has been considered outdated as real estate trends evolved. But due to popular demand and their sheer quality, glass block windows are back like they never left.

Is glass block making a comeback?

“Glass blocks are synonymous with Miami Art Deco. They are certainly making a comeback. I have seen them used in homes more as an accent rather than large-scale settings, much like you would see in old Art Deco buildings or as a fashion trend in the ’80s.”

Are glass bricks back in fashion?

The resurgence of the glass brick Everything makes a comeback at some point. … Skinny, rectangular-shaped glass bricks laid in a brick pattern look far more modern than the traditional stacked square block that had a presence in the early ’90s.

Are glass blocks popular?

Glass block today is emerging as a popular component of building design for both interior and exterior use. Architects throughout the world are applying glass block to their masterpieces, often earning rewards for beauty, functionality, and energy efficiency.

When were glass blocks popular?

It was originally developed in the early 1900s to provide natural light in factories. Glass block buildings became popular in the 1930s and ’40s almost to the point of excess, before falling out of fashion in the 1960s and ’70s. In New York, glass-block partitions can be seen in a number of subway stations.

Are block windows outdated?

Glass block windows came into fashion around the early 1900s as a durable and insulating way to let natural light into factories. … However, frosted and decorative glass windows can do the same thing without making your home look outdated. They basically make glass block windows obsolete.

Are glass blocks mid century modern?

Glass blocks add stylish Mid Century Modern accents walls and room dividers, bringing more light into rooms and yards. These materials are perfect for making furniture and decorating walls giving the designs a Mid Century Modern flavor. Glass blocks combine the benefits of semi-transparency and create privacy.

Are glass block windows structural?

Glass blocks can provide light and serve as a decorative addition to an architectural structure, but hollow glass blocks are non load-bearing unless stated otherwise. … Glass block walls are constrained based on the framing in which they are set.

What is the R value of glass block?

The solid glass block R-value is 1.15. With hollow glass block and its inherent partial vacuum, a jump in R-value occurs: The R-value of thin glass block is 1.75 and the R-value of standard glass block is 1.96.

How do I make block windows look better?

A simple and current option is to mount a curtain rod, at the same height as the light bar and in the same finish as the light bar, above the glass block. Hang sheer draperies like you would at any other window. See how the sheers in this photo hide the window, but still let in the light.

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How much do glass block windows cost installed?

How much does it cost to put in a glass block window? The average cost for a glass block windows installation is $400 to $1,100 per window. You can order pre-built glass block windows and can assume the costs to be around $18 per square of glass block or $25 for frosted privacy window squares.

Is glass block Art Deco?

While glass block walls and windows typically are identified with Art Deco architecture, Walsh said they can work with a variety of styles. … ”This house has traditional elements, such as columns, but the curving glass walls give it a contemporary feel.

What era are glass bricks from?

Glass blocks, or glass bricks as they are also widely referred to, date back to the late 1880s when they were produced in squares and hexagonal shapes by Swiss Architect & Engineer Gustave Falconnier.

Are glass blocks sustainable?

Glass blocks can naturally provide high thermal performances. For more sustainable applications, Seves has created the Energy Saving blocks, reducing the level of the block’s thermal transmittance to U = 1.5 W / m² K (from U = 2.8 W / m² K).

What can I use instead of glass bricks?

Acrylic and glass blocks are attractive alternatives to standard glass. Acrylic- and glass-block products are making a statement as shower enclosures and replacement windows in homes of all styles these days.

Is glass block a good insulator?

A standard glass-block window has an insulating value about equal to a standard double-pane thermal window. … A glass block window also virtually eliminates air leakage around it because it is sealed with mortar in the wall. This not only cuts utility bills, but it greatly reduces drafts, outdoor noise and dust.

Are glass blocks energy efficient?

1. Energy Efficiency. … Most standard glass block windows are about as efficient as thermal-pane windows, twice as efficient as single-pane, and are airtight. Some glass block windows also have low-E glass properties, meaning they are able to reduce the amount of heat lost through the window.

Is glass block a Mason?

Furthermore, glass block acts as a deterrent to burglars. Since these contract masonry units are bonded together with cement, you can’t open them from the interior or exterior without heavy-duty tools. In fact, when mortared together, glass blocks are almost as strong as a building’s foundation wall.

Can you paint glass block windows?

Paints. As long as the paints you use are rated for work with glass surfaces, paint the blocks any way you see fit. Texture paints allow for the creation of specific patterns and textures, while stained-glass paints offer a tinted version of the light already available through the window.

How do you use glass blocks in the garden?

  1. Walkway Edging. You can use glass blocks to make an edging for walkways, driveways or similar elements on your property. …
  2. Outdoor Lighting. …
  3. Brick and Concrete Fixtures. …
  4. Raised Beds. …
  5. Fire Pits and Barbecues. …
  6. Pools, Ponds and Hot Tubs. …
  7. Greenhouses.

What are the dimensions of glass block?

Most of the glass block that is commonly used for window panels are approximately 8” x 8” (height x width).

What are the benefits of glass block windows?

Glass block windows offer energy efficiency advantages, comparable with what thermal pane windows provide. They are usually sealed with mortar in the wall, eliminating the risk of air leakages. This enhances heat control, as well as minimizes noise and dust entry, which can help significantly cut your utility bills.

Are glass blocks cheap?

You should expect to pay more for a glass block because of the extra benefits it offers compared to a regular window in terms of better insulation and durability. A single glass block can relatively cost around $15 on the lower side with specialty blocks that are colored or frosted running up to $50.

Can you break a glass block window?

It is possible to break through a glass block window, but it would be very difficult and create a lot of noise. Even though most glass block windows are hollow and someone may be able to break one, the opening is still not big enough to crawl through.

Are glass block windows load-bearing?

Glass block looks as solid and substantial as brick, but it does not have load-bearing capabilities. It cannot carry loads other than its load. Homeowners may lose sight of this because glass block is installed much like a brick, with mortar.

Does glass block heat?

Summary: The transparency of glass to visible light makes it the most common way to let light into a building. … Such windows block almost all the infrared heat from sun rays, while admitting most of the visible light. The transparency of glass to visible light makes it the most common way to let light into a building.

Can you replace one block in a glass block window?

If just one glass block in a window grouping is damaged, it affects the look of the entire window. Individual glass blocks can be removed and replaced without taking apart the entire window.

What can I use instead of glass?

Acrylic, also called plexiglass, is becoming a popular alternative to glass windows. While manufacturers have used waterproof acrylic windows for years, plexiglass acrylic sheets are gaining traction among business owners and some homeowners.

Is it worth replacing basement windows?

Keeps Moisture Out If not treated, moisture can lead t flooding and damage to walls, floors, and furniture of your basement. Replacing your basement windows can help prevent moisture and mold as your new windows will be properly sealed and all cracks and gaps will be covered by the new window.

Are glass block basement windows energy efficient?

Improved Energy Efficiency – Glass block windows can greatly improve your home’s energy efficiency. Many standard glass block windows meet ENERGY STAR® guidelines because they are just as efficient as thermal pane windows, and they are airtight.

Are glass block basement windows waterproof?

4. Rain, Rain, Go Away. Because glass block windows are comprised of glass and mortar or glass and vinyl, depending on your window, they are essentially waterproof – especially with the latter. If you’re in an area that is prone to flooding, glass block windows are a great option and investment.