Glass Block Windows| Use of Glass Block Window| Types of Glass Blocks Windows



Introduction of Glass Block Windows

Glass block windows came into fashion in the early 1900’s as a durable and insulating alternative to natural light entering factories. This window is preferred for bathroom walls and windows, as it allows light to enter but does not allow for clear viewing. This window can be made durable against bullets and fire.

Glass block windows are thick, cloudy, and have a slightly reflective appearance, making it difficult to see clearly through.

What Is Glass Block Window?

Glass block windows are generally useful as a privacy solution in home design. It is very important to have privacy in the bathroom so this window is preferred there.

The cloudy or icy nature of the glass blocks is enough to block the view. Yes, it is true that these glasses are not completely opaque like curtains so curtains are necessary to keep the full outline, skin color, and other personal details visible. But curtains block light so glass block windows are the best option to meet both privacy and lighting requirements.

also read: Folding Windows | What Is Folding Window? | Types of Folding Window

Use of Glass Block Window

Glass block windows are available in many types so they are used in different places to maintain privacy and get light. Privacy is more important than ventilation in many parts of the home. This window works very well instead. For example glass block vent window replacement, installing glass block basement windows, installing glass block in shower, etc.

Glass Block Window Installation Cost

A small basement window made of glass blocks can cost at least $ 175. The estimated cost of a glass block is $ 15 and special blocks such as frosted or colored blocks can cost up to about $ 50.

The glass block windows cost depends on the type of glass and local labor. It usually costs about $ 400 to $ 1100 to install a glass block window.

Types of Glass Blocks Windows

Here are the different types of decorative glass blocks that can be used to make modern glass block windows.

1. Wavy Glass Block Windows

Wavy Glass Block

This is the most practical type for home windows and is commonly used for basement windows. This type allows light to flow as well as provides privacy.

2. Clarity Glass Blocks Windows

Clarity Glass Block

This type does not provide privacy, such glass blocks in home windows are commonly used for kitchen windows. This transparent glass can be used in places where privacy is not important.

3. Ice Glass Block Windows

Ice Glass Block

These are commonly used as toilet windows. This is the type with a frosted pattern that is also considered benign. This type does not have visibility.

4. Diamond Glass Blocks Windows

Diamond Glass Block

This type is found in contrast to floating and ice glass blocks. The reason diamond glass blocks are clean for contact is because this pattern is inside the blocks.

also read: Best Flooring for Home Gym

Glass Block Window Replacement

An old window in a home where both privacy and privacy are required and where it needs to be replaced, both needs can be met by replacing it with a glass block window. Glass block windows are the best choice for space like basement or bathroom.

Replacing glass block windows can provide the necessary benefits to the home. Custom glass block windows and decorative glass block windows are provided by different companies, so you can get your favorite block window. For example block windows for the basement, replace bathroom window with glass block, etc.

Glass Block Window Installation

To Install Glass Block Window (Clearly Secure Glass Block Windows Installation) Follow These Steps:

1. Assemble the Tools

The following tools are required to complete the task efficiently:

  1. Measurement Tape
  2. Safety Gloves
  3. Circular
  4. Dry Vacuum Cleaner
  5. Almost Twelve
  6. Utility Knife
  7. Cedar Shims
  8. Cement and Sand
  9. Trowell
  10. Caulking Gun

2. Size the Glass Block Window and Order New Window

decorative glass block windows

Different Types of Decorative Glass Block Windows

Measure the current window frame with the tape to the masonry. Note where the frame ends and the masonry begins. Make sure the parameters are spot-on. Subtract half an inch from the width and length. Order custom glass block windows from glass block window companies of any size you can find.

3. Remove the Old Frame

Remove the Old Frame

Wear safety gloves to break old windows. Use a circular saw to make the first cut in the old frame. Afterward, the entire area should be vacuumed through the storage space to safely remove all shards.

4. Tear Off the Jamb of the Old Frame

A pry bar is needed to rip out the old jamb. If the jamb is protected with mortar or concrete, some of it may need to be chiseled.

5. Remove Caulking

Old caulking needs to be removed from its place as the whole frame needs to be as clean and clear as possible. New caulking needs to be added for the new frame.

Place an old newspaper or cloth under the frame to collect the falling caulking. Then, use a knife to remove the chisel and remove the caulking.

6. Install Cedar Shims

install cedar shims

Cedar shims are required for the uniform placement of new window panels in the space. Install them at the bottom of the frame, starting at the corners. They should be about half an inch in width and placed at 3-inch intervals from each other.

Once the first coat of mortar is set, the shim should be long enough to be removed.

7. Mix Mortar

Measure 4 parts sand and 1 part cement and mix them. Use a shovel to make a hole in the center of the sand-cement mixture. Add a bucket full of water to the top of the pit. An appropriate amount of mortar additive or lime can be used to strengthen the mortar.

Use a trowel to add a small amount of mortar to the bottom of the frame. The layer should not be thick as it helps the shim to form the base.

8. Place the Panel Over the Shims

place the panel

Some shims may move while setting the panel. The panel should be reset when tilting or sliding the panel to the correct position. After placing the panel, a few gaps can be seen at the bottom. Pack it using a mortar with a trowel.

9. Mortar the Sides

Once the bottom becomes hard to touch the mortar, start applying the mortar to the sides. Once it is set, start removing all the shims one by one. To smooth the mortar it is necessary to let it dry for at least three hours before using the striking tool.

10. Caulk the Top of the Window

caulk the top of the window

Caulking at the top of the window will push down the entire panel which helps to set the panel firmly in place. 100% silicone caulking should be used to fill the entire gap at the top. To apply the caulk, remove the cover on the inlet of the caulk gun, then insert the caulk tube inside and then screw the cover back on.

Squeeze the handle of the gun slightly to attach its plunger cap to the back of the tube. Then, use a knife to cut the top of the tube at a 45-degree angle. Press the cut tip in one corner of the window, and start applying caulk to the bead continuously.

Custom glass block windows can be installed at any place depending on the procedure outlined above. Such as basement block windows or glass block window in shower etc.

Advantages of Glass Block Window

Here, is the list of pros of glass block windows as follows.

1. Higher Energy Cost Savings

The energy efficiency gain from a glass block window is comparable to the gain from a thermal pen window. This window wall is sealed with mortar so there is no problem of air leakage. This helps in heat control function. They restrict the entry of noise and dust so the utility bill is reduced.

2. Security and Privacy

The special feature of this window is that the glass block window works to maintain privacy with maximum light provision. The glass of these windows is thicker than ordinary glass so it gives security and peace of mind to the house.

3. Enhanced Curb Appeal

These windows come with different patterned glass and different designs which help in enhancing the aesthetic appeal of the house. The house is well-liked as a partition wall and shower window. Custom window options help to complement the architectural design of the home.

4. Less Maintenance

This window does not require constant maintenance. These windows are made using solid material to stay fixed in the wall and are well sealed with mortar so they can be used for many months without any maintenance.

also read: Mortar Mix Ratio | What Is a Mortar Mix Ratio | Why Is Lime Added to Mortar | Type N Mortar

Disadvantages of Glass Block Window

Here, is the list of cons of glass block windows as follows.

1. Do Not Allow Ventilation

Ventilation in the house is a very important feature. In addition to enjoying the fresh air for a pleasant environment, fresh air is also essential for health.

The windows need to be open when the person is sick, cleaning something with harsh chemicals, or doing home projects like painting or varnishing.

2. Expensive

Since glass block windows are heavy, the procedure for making them is expensive, so compared with the standard options, one realizes that it can be expensive for the house.

3. Installation Problem

A good fitting may be required to secure the installation and windows may need to be re-sealed frequently to prevent water from seeping in through the small space around the window.

4. Unsuitable for Hot Climates

It is not advisable to install this window in an area that gets very hot in summer. Glass blocks absorb outside heat and transfer it to the inside of the room. This costs more money and energy on air conditioning to cool the room temperature.

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Frequently Asked Questions (FAQ)

Best Glass Block Windows

  1. Menards Glass Block Windows
  2. Home Depot Glass Block Windows
  3. Pella Glass Block Windows

Glass Basement Windows

You can enhance your basement for security purposes by putting in glass block basement windows. No air is required in the basement. Glass blocks can be installed there as only light is required. The glass block is strong and does not break easily and does not open. Thus, there will be no problem in installing glass block window in a place like a basement.

Glass Block Installation

Care must be taken to install the glass block. If you want to do a DIY project yourself, you can buy and install custom glass blocks that are available from a good brand. Prices range from $ 400 to $ 800.

Block Window Installation Cost

The estimated average cost of installing block window is $ 900.

Replace Glass Block Window with Regular Window

Sometimes glass block windows do not meet the required requirement. It only allows light to enter but not the air. Therefore, in case of the occasional need for air, it is advisable to replace the glass block with a regular window.

Best Company for Glass Block Windows Installation

Glass Block Menards

Glass Block Vent Replacement

A glass block is a good choice for a place like a vent because light is an important part of the vent. In addition, other windows can be placed extra for air. The vent just needs to be light enough.

Replacing Basement Windows with Glass Block

This is a good idea because glass blocks are strong and do not crack for long periods of time. Even so, light is needed in the basement, not air.

Glass Block Windows Price

The estimated average price of a glass block window is $ 500.


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