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"Sometimes getting clear direction and feedback on a home improvement project can be so difficult. How can your company help me with my glass block project?"

Solution: Whether you're looking for a simple window project for your home, or a more involved commercial project we have glass block designers and consultants who have been trained to assist you.

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• Frequently Asked Questions

• Installation Information

• Additional Resources

• Assembly Options (Mortar vs. Silicone)

• Steps to Build a Glass Block Shower Wall

 
 
Frequently Asked Questions -
   

Q: Where can I use glass blocks?

A: The most common uses are for windows in basements and commercial buildings, bathrooms, garages, sidelights, showers, and interior walls.

 

Q: Which glass block patterns should I choose?

A: There are a wide variety of glass blocks to choose from (see our Product Gallery). The key in choosing a pattern is to consider the amount of light, energy efficiency, and security you're looking for your glass block to provide. Our designers and consultants can help you with these choices.

 

Q: How can your company help me through a glass block project?

A: We can help you from start to finish - doing an initial design/estimate, supplying glass block products and systems, prefabricating glass block assemblies, and most importantly - providing a professional glass block installation. 

 

Q: What manufacturer's glass blocks do you use?

A: We use mostly Pittsburgh Corning and Mulia brands of glass blocks - the largest and highest quality brands of glass blocks in the world.

 

Q: How thick are the glass blocks? Which thickness would be right for me?

A: Most glass blocks are either 3 1/8" (thin line) or 3 7/8" (regular series) in thickness (a limited number of blocks are made 2" thick). Most windows are made with the thin line (3 1/8") series of block and most walls and commercial projects use the regular also called premium (3 7/8") series.

 

Q: What benefits can I expect to get from glass blocks?

A: Glass blocks can help to reduce heat bills, provide increased security, add style, privacy and light, and cut time maintaining a property.

 

Q: Why should I choose your company?

A: Our company has a depth of expertise and quality unmatched in the industry! Our business was started in 1979, we've done over 750,000 windows, walls and showers, and have been the recipient of numerous consumer driven service awards. In addition we believe in helping customers, and not a high-pressure sales approach.

 

Q: How else can your company improve my home?

A: In addition to glass blocks we have divisions of our business that do replacement windows, doors, siding, and acrylic bathtub liners and showers. Call and ask how else we can be of service to you.

     
 
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Installation Information -
   

Glass blocks can be installed in many different ways depending on where it is used (windows, walls, floors etc.) the skill level of the installation contractor, the type of opening it is going into (wood, masonry etc.) and the time and budget for the project.

As an award-winning installer of glass blocks we have provided below the installation methods we've found work the best (providing the best quality project for the most cost-effective price) for various uses of glass blocks and job conditions (masonry openings vs. wood frame openings, new construction vs. remodeling applications). In addition, when possible, we've provided some installation specifications and/or a brochure on the product or installation method as well.

  • Application: Basement, Bathroom, Garage windows
  • Type of Opening: Masonry Openings
  • Remodeling Projects
  • Preferred Installation Method - "Pre-fabricated glass block window panel mortared into openings."
  • Alternative Installation Method - "Block by Block" installation inside the opening - more costly and time consuming.
  • When Can the Glass Block window be installed? - Generally with replacement glass block windows the answer is anytime. We simply remove the old frame and put the new window in!
  • Application: Bathroom, Garage, Sidelights windows
  • Type of Openings: Frame (Wood) Openings
  • Remodeling Projects  
  • Preferred Installation Method - "Pre-fabricated glass block window panel mortared into openings." For Frame openings we also might recommend aluminum capping to surround the windows on the outside of property in a sided home.
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  • Alternative Installation Method - "Block by Block" installation inside the opening - more costly and time consuming.
  • When Can the Glass Block window be installed? - In New Construction openings with our Vinyl Wrap window they are generally installed after the home has been framed.
  • Application: Bathroom, Garage, Transoms, Stairwells
  • Type of Openings: Frame Openings
  • New Construction or Room Additions
  • Preferred Installation Method - "Vinyl Wrap glass block window system with nailing fins" nailed into new construction openings. See the brochure describing the system provided below:

    Click here to download brochure
  • Alternative Installation Method - "Pre-fabricated glass block window panel mortared into openings." We generally don't recommend doing this because mortar inside of these openings in the long run may crack.
  • When Can the Glass Block window be installed? - Generally with replacement glass block windows the answer is anytime. We simply remove the old frame and put the new window in!
  • Application: Shower System from Pittsburgh Corning
  • Remodeling and New Construction
  • "Installation Methods" - These pre-fabricated acrylic base shower system can be installed using 3 different methods. Our Estimators can lead you through the best installation for your particular application:
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  • When Can the Glass Block shower system be installed? - The glass block acrylic base is usually set into place by a plumber during after the rough framing stages. The glass block walls are installed generally after the tile work is completed in the bathroom.
  • Application: Custom Showers with Glass Blocks
  • Remodeling and New Construction

 

  • "Installation Methods" - Custom glass block showers can be installed using 2 different methods. Our Estimators can lead you through the best installation for your particular application:

 

  • When Can the Glass Block Custom shower be installed? -The glass block walls are installed generally installed after the tile work is completed in the bathroom.
  • Application: Commercial Window and Wall Applications  
  • Remodeling and New Construction

 

  • "Installation Methods, Physical properties, Design/Technical Information" - There are certainly many places with many different field conditions where glass block can be used in commercial window and wall projects. Provided below is a link to the Architectural Product catalogue from Pittsburgh Corning. It provides design, installation data, physical property information on a wide variety of glass block products and installation approaches. To get more help call our office and ask to speak to one of our Commercial Estimators to lead you through the right product and installation approach for your specific application.

    Click here to download information
  • When Should the Glass Block Be Installed In the Process? -Call or email our Commercial Estimators to get input on when to schedule the installation of your specific project.
  • Application: Glass Block Flooring Systems   
  • Remodeling and New Construction

 

  • "Installation Method" - Provided below is a link to the Installation Methods for the GlassWalk flooring system. To get more help call our office and ask to speak to one of our Commercial Estimators to lead you through the right paver selection and installation approach for your specific flooring project.

    Click here to view installation process
  • When Should the Glass Block Floor Be Installed In the Process? -Call or email our Commercial Estimators to get input on when to schedule the installation of your specific project.
   
 
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Additional Resources -

Provided below are downloaded brochures that may be helpful to you in your glass block projects

 

 
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Assembly Options (Mortar vs. Silicone)-

You might have heard varied opinions about how the glass block pre-fabricated panel should be assembled (the most common methods are using mortar or silicone to put the pre-made windows together). Our company believes that the best approach (mortar vs. silicone) is to create the best sizing fit on a job by job basis. Included below are some advantages of both the mortar and silicone systems for you to consider:

Advantages of Mortar over Silicone - Can vary mortar joint sizes, has the traditional look of mortar, very difficult to break out the mortar joints.

Advantages of Silicone over Mortar - Panel has an "all glass" look, panel is smaller for tight openings.

 
 
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Steps to Build a Glass Block Shower Wall -

Although bathroom and shower wall construction can vary from project to project we have provided below some of the key steps for most glass block shower projects in remodeling or new construction projects. Since these projects frequently involve multiple trades it may be best to consult with our Designers or Project Estimators for your specific application.

step 1  
Step 1 -
Project Layout - During the rough framing stages we can come out to your site to lay out your new shower to ensure that the base preparation will work properly with the glass block wall.
     
step 2  
Step 2 -
Base Preparation - Glass Blocks in a shower need to be set either on a wall or most frequently on a shower base. One frequently used base is called a "mud set pan base." The best shower base to work on will be 4" or wider and are finished off with many different materials (including tile, acrylic, and other solid surfaces like Corian and Granite). We can work on smaller bases, but probably the smallest one that will work with glass blocks will be 3" wide. These bases can be built or provided by either a plumber, tile setter, and in some cases our company.
     
   
Step 3 -
Complete your shower base and surrounding walls - usually glass blocks are installed after the shower base and surrounding walls are completed. Our glass blocks walls are usually anchored into the surrounding walls.
     
step 4  
Step 4 -
Install the glass block shower walls - Our glass block walls are either prefabricated and brought to the job site or installed block by block in the bathroom (this job approach is determined based on the shape, size, and configuration of the glass block walls by our Estimators). Glass block walls are usually finished with mortar grout (or in some cases with our specialized silicone caulk) at the site.

Step 5 -
Install your shower door (optional step) or go "door-less" - Shower doors are usually sized and installed after the glass blocks are up. If you have enough room you may want to consider eliminating the shower door to reduce costs and eliminate future clean up around the doors framing system (the walk in door-less shower option is one of the most popular trends in shower design that we are seeing!).
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