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7 Tips to Choose the Right Glass Block Shower Wall Thickness

Written by Mike Foti on . Posted in News

Glass block shower thickness curved wall

Did you know glass block shower walls come in two thicknesses (4” and a thinner 3 1/8” series)? If not – you’re not alone. While the thinner glass block walls were introduced only three years ago the vast majority (about 90% of my customer’s at this time) are choosing the slim line product. In this article I’ll explore 7 tips to help you make the best glass block shower wall thickness selection for your project.

Tip #1 – Maximizing inside shower space – For many people making the best use of the space inside the shower is critical and for this factor the thinner glass blocks can make a smart choice (note- the thinner blocks are ¾” smaller than  their thicker counterparts providing more inside room).

Advantage – Thinner Blocks

Straight thin series glass block shower wall

Tip 2 – Adding colored, frosted, etched or textured metal designs – With advancements in technology the ability to personalize has never been greater. This is also true in the glass block industry – colors, frosted block treatments, glass tiles and even decorative aluminum art pieces are some of the design approaches being incorporated with block walls. Since these designs are available in the thick and thin series of glass blocks it doesn’t matter which thickness of block you choose for these decorative treatments.

Advantage – Toss Up. 

Serpentine shaped colored glass block wall

Download Our Glass Block Shower Guide

Tip #3 – Graceful curves – inside and out – Who doesn’t love graceful curves whether for a wall or admiring a woman? If you want a wall with glass blocks which are curved on the inside and outside surfaces the only choice is the slim line blocks. It’s contemporary design not only is shaped on both sides (unlike the 4” blocks which have a flat inside face) but they are also available in a contemporary see-through design for a sleek upscale look.

Advantage – Thinner Blocks

Curved glass block walk in shower

Tip #4 – Maximizing privacy and minimizing cleaning – Even with the popularity of clear glass showers I still find many people want a high privacy glass block wall for modesty and ease of cleaning. For these benefits the thicker Series Icescapes pattern is the ticket. In the thinner series you can also get the maximum privacy by frosting a glass block on the bathroom side of the wall.

Advantage: Thicker Blocks

Glass block Icescapes shower which doesn't show water spots

Tip #5 – Lose weight and ease installation – The desire to reduce weight (whether it’s for our own personal health or with building materials) always seems to be important for people looking to do a glass block project (most people are concerned about the weight of a glass block wall on their floors). The thinner series glass blocks (which weigh about 20% less) is a logical selection for not only it’s lower weight, but the thinner prefabricated wall sections are easier to install since they are lighter.

Advantage: Thinner Blocks

 Lighter weight thinner glass block shower wall

Tip #6 – Reduce costs – Why is it that bathroom remodeling always seems to cost more than you think it will? The challenge in bathrooms is they are small spaces to work in, involve multiple trades (plumbing, electrical, carpentry to name just a few), and the product selections can be expensive. A way to reduce this cost challenge with glass blocks is to select the thinner 3 1/8” blocks since they cost less.

Advantage: Thinner Blocks

 Tip 6 thinner blocks being installed

Tip #7 – Would you like a base to go with your wall? – Just like it goes together to get an order of fries to go with your burger it’s a good idea to get a shower base to go with your glass block shower wall. Unlike the burger franchise though, where you’re placing a common order (for example I’d like the #7 with fries) – most glass block showers are going into non-standard sized spaces and need a custom shower base. What’s nice is irrespective of whether you choose the thinner or thicker blocks you can choose between a custom ready for tile or stone base (made of solid surface) designed specifically to fit your wall.

Advantage: Toss Up 

72 x 48 glass block shower walls and a ready for tile base kit

Have these 7 tips helped you choose the best thickness of glass blocks for your project? Comment or call us on the numbers below for more insights or a free estimate.

Download Our Glass Block Shower Guide



For assistance and pricing from a glass block design specialist call Innovate Building Solutions on a nationwide basis (877-668-5888) or for a local installation project their divisions including Columbus Glass Block (614-252-5888), Cleveland Glass Block (216-531-6363), West Side Glass Block (216-398-1020) or Mid America Glass Block in Akron (330-633-2900).


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Mike Foti

President of Innovate Building Solutions a nationwide supplier and regional (Cleveland and Columbus) remodeling contractors. Some of our product lines include glass counters, floors, backsplashes, glass blocks and grout free shower and tub wall panels

Comments (4)

  • Mike Foti


    Karen – we can help you with the prefabricated glass block shower and base system and can help you on how to find the right type of local contractor to help you with this project. Feel free to call our office at 877-668-5888 for more help.


  • Karen


    Need a local pro to install a glass block shower in Hyannis, Ma.


  • Mike Foti


    Linda – yes we can supply you with a double end glass block – this unit is from Mulia Inc and we stock them. Please call our office – the number is at the bottom of the article.


  • Linda Leimbach


    Want to build a thin (3″) glass walk in shower wall and cannot find a manufacturer who makes an ‘endcurve’ of this size. I see you have one in your photo above, which company is this? (second pic from the to)


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