Color Glass Blocks For Windows, Showers, & Walls – Frequently Asked Questions

Although color glass block are new, exciting, and cool to use in a window, wall or shower project there are still many questions about how to use colored blocks, where you can use them, and what product options are available. The 9 most frequently asked questions about this product and process are explained below.

1. What sizes, patterns, shapes, and designs can I get in color glass blocks? – Virtually any size, pattern, shape and design are available.

o American sizes include 4″ x 8″, 6″ x 6″, 6″ x 8″, 8″ x 8″ and 12″ x 12″. The most common, and usually most cost effective, block size to design with is 8″ x 8″. There are some metric sized colored blocks but their supply is more limited in the United States and the availability of colored shaped blocks to turn corners, angles and ends is virtually non-existent.

o Any shape (corner blocks, end blocks, angled blocks, radius block for rounded walls, and double ended block for step down walls) can be colored with a drilling and filling pigment process.

o Designs, patterns, and even beveled edged blocks can get standard or custom colors applied to them as well.

2. How many colors or finishes are available? Each manufacturer has their own line of blocks and mixing and matching colors from one manufacturer to the next is generally not recommended. Pittsburgh Corning carries 3 pastel colors in blue, rosa, and bronze. Color Glass Block has 8 standard colors which are very vibrant including a popular ruby red, topaz orange, personalised night light emerald green, and sapphire dark blue. Custom colors can also be created to match or contrast with your decor. Some blocks can be purchased with a satin finish, or be sandblasted after the coloring process to create more of a muted coloring effect.

3. Can the color blocks be used on the outside as well as the inside? – Yes, the colored blocks are sealed and moisture free and safe to use for windows, walls, or showers whether they are exposed to outside elements or not. In fact, a really hot glass block outdoor sculpture was created using ruby red blocks in New Mexico.

4. How can color blocks be put together? – These blocks are put together the same way that standard clear units are assembled and installed. For window and straight wall assemblies a high quality and cost effective way to put the blocks together is by using pre-fabricated panel sections. These panels can be purchased with a vinyl stack spacer system to make setting one wall section on top of another wall section easy to do. This spacer system also has an interlocking design to tie the new glass wall into your existing walls – making your installation safe and secure. The color glass blocks can be put together with mortar or silicone to join the individual units. Contact a block window manufacturer for more tips on the advantages and disadvantages of these two approaches.

5. How long does it take to get color glass blocks? – Some color blocks in American size 8″ x 8″ and metric size 7 ½” x 7 ½” will be stocked and available for immediate shipment in a wavy design pattern- although the color selection will be more limited. For different sizes, shapes, and patterns allow a 2 to 3 week lead time from the placement of order to receiving your product.

6. Can the block be color matched? Yes. Custom colors can be created. Usually the best way to accomplish this is by sending in a sample of your fabric, wallpaper, glass tiles, etc. to match. A customer near Phoenix Arizona sent in a glass tile to create a maroon colored stripe in their glass block shower partition wall. This wall used 8″ x 8″ block, finished end blocks, and double ended blocks to step the wall down from 64″ to 56″ to 48″ at its lowest point and the standard blocks and shaped blocks were colored.

7. How many color blocks should I use? Your design and look is ultimately up to you. If you have a room that is lacking in colored you might consider using color blocks for the entire window, wall, or kitchen bar project. Sometimes a stripe of color or randomly placed colored units add just the right amount of style and interest as well.

8. Can color glass blocks be personalized, engraved, or used in craft projects? Yes. Engraving color blocks with company logos, messages, or even for a fund raising project or craft is a great way to draw attention, interest, and uniqueness to your design.

9. Where can I get colored glass blocks? Do your research on line and look for companies knowledgeable who display these products on their sites. Knowledgeable suppliers in this niche are limited. The best sources are usually block window, wall, and shower suppliers who are deeply involved in the industry from supply, to fabrication, and through installation.


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