Model # 110037

Internet #100255702

Store SO SKU #143120

Pittsburgh Corning Premiere 6 in. x 6 in. x 4 in. Decora Glass Block (12-Pack)

Discontinued Pittsburgh Corning

Premiere 6 in. x 6 in. x 4 in. Decora Glass Block (12-Pack)

  • Let's in light while still providing privacy
  • Ideal for use to achieve maximum light transmission
  • Offers a water tight window of light
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Frequently Bought Together

Product Overview

Pittsburgh Corning Corp Premiere 6 in. x 6 in. x 4 in. Decora Glass Blocks (12-Pack) have a 4 in. nominal thickness and are designed for straight panels that are supported on at least 3 sides. The trademark wavy undulations of the Decora pattern allow for maximum light transmission with subtle visual distortions.

  • Decora pattern allows maximum light transmission with subtle distortion
  • 100% Real glass
  • 4 in. thickness provides stability and durability
  • Designed for installation with straight panels supported on at least 3 sides
  • 1.96 R-value
  • Ul fire rated
  • Note: Product may vary by store.



Product Depth (in.)
Product Height (in.)
Product Thickness (in.)
3.875 in
Product Width (in.)


Color Family
Insulation R-Value
Product Weight (lb.)
Thermal Conductivity in BTU
0.51 Btu

Warranty / Certifications

Manufacturer Warranty
Pittsburgh Corning promises to replace any glass block that are found to be defective within five years from date of purchase.
UL Fire Rated

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Customer Questions & Answers

Is this made in the USA?

Asked by: Anonymous
Yes, made back East by PPG Corning
Answered by: pinballlarry1
Date published: 2015-09-20

Does this product have clear glass with a green tint? It says white but does not appear by the photo as that colour.

Asked by: Anonymous
No green tint. It is white/clear.
Answered by: bencart
Date published: 2016-03-22

Is there an opening at the top of the block?

Asked by: Bing
No opening. Solid all the way around.
Answered by: bencart
Date published: 2015-11-06

How many square feet does one case contain?

I'd like to know how many cases I should purchase based on the quantity that I need.
Asked by: Saray
Three square feet per case.
Answered by: PittsburghCorning
Date published: 2016-08-23
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Customer Reviews

Premiere 6 in. x 6 in. x 4 in. Decora Glass Block (12-Pack) is rated 4.6 out of 5 by 34.
Rated 2 out of 5 by from Glass Blocks are 6x6...spacers are almost 8"x 3.5"..., Why make me buy something knowing i'll need to trim..just make the spacer 5.5" x 3.5"....That would make my project much simpler and save me a,lot of time,,. Other than that...pretty cool.
Date published: 2016-08-23
Rated 5 out of 5 by from Happy I was very, very happy with this product. Exactly what I was looking for.
Date published: 2016-09-12
Rated 5 out of 5 by from Just what was needed. Needed to replace a window in a bathroom renovation and contractor suggested these glass blocks. Worked out perfectly. Lets in lots of light and even provides more insulation because of the 4" thickness of glass outer layers. Was easy to install and looks great. Lets in lots of light. Was also used at the top of the interior shower stall wall to provide additional light into the shower stall from the room lighting.
Date published: 2014-02-11
Rated 3 out of 5 by from I leared that I will always unpack the boxes in the store before I leave! I love these smaller blocks to paint on. Usually there is no problem. But with my last order one came chipped in the box. I tried to return the broken one yesterday and they can not except it as they don't sell it. So lesson learned is that I will make the time to open and check each box that I order before I leave the store.
Date published: 2015-01-17
Rated 4 out of 5 by from Good Product, Horrible Shipping We really like these glass blocks. They are installed in a window in our master shower now. Good quality and we are pleased with the results. However, they are not packed well and multiple blocks broke in shipping. Hopefully this is just packaging error and not bad quality in the blocks!
Date published: 2013-07-17
Rated 5 out of 5 by from Perfect Basement Application! We used these glass blocks in our basement windows and they look and function great! We have an old farm house with long narrow basement windows. Both were different sizes and were on the front of the house. We used the 6" blocks and I love them!
Date published: 2013-11-21
Rated 5 out of 5 by from Great product. I have bought the glass blocks for the past few years for craft projects. Have never had a problem with quality or shipping.
Date published: 2013-12-24
Rated 5 out of 5 by from Glass Block Windows This glass block "system" is easy to install and looks beautiful. I replaced two basement windows with these blocks using the sealant method. They not only look awesome it has also stopped water infiltration when there is a heavy rain and my window well would fill up. The old regular windows would allow water into my basement and cause a minor flood but no more floods now!
Date published: 2015-10-31
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