Glass Block Basement Windows improve your home’s security, energy efficiency and privacy. Eastern Glass Block both supplies and installs glass block in basement window openings.
Secure like bricks, translucent like pane windows. It’s the best of both!
- More Privacy
- High Security
- Virtually no maintenance
Call for a free quote
800-635-1226
Benefits of Glass Block Windows
Security – It is very difficult to break glass blocks. Some products offer additional security features.
Energy Efficiency – 10 times more energy efficient than most basement or bathroom windows in older homes. Standard glass block have the energy efficiency approximately equal to most thermal pane windows.
Cost Effective – Installed cost is usually the same or less than other window replacement options. Reduce the risk of lawsuits by adding exhaust fans to provide more environmentally friendly lower floor living space.
Maintenance Free – There is no need to caulk these windows after they are installed.
Privacy – Glass block is often used to increase privacy of window openings while not sacrificing light transmission.
Call Now for a FREE QUOTE —> (800)-635-1226
Preassembled Windows
Security with over 50 years of proven performance, your glass block panels are available preassembled. We can help answer all of your questions and offer professional assistance. You can choose standard sizes (dimensions in modules of 8″) or custom sizes, with or without ventilation. Preassembled glass block basement window panels are fabricated in our glass block warehouse and shipped nationwide. We also provide installation service regionally in New York, New Jersey, Philadelphia and Connecticut.
Save Energy with Low Maintenance
Glass block windows eliminate the need for storm windows and reduce the energy required for heating and air conditioning.
With glass block windows, you can forget about painting, caulking and puttying. There’s nothing to peel, rot or rust. To clean, simply hose the outside and wipe the inside lightly with a damp cloth.
Choose from multiple distinct patterns, each offering its own unique style, degree of light transmission and privacy. Perfect for replacement, new-window and small-partition applications, preassembled panels are available with or without fresh air or dryer vents.
Ice pattern – non-directional pattern lets light in without sacrificing privacy. Maximum light transmission/medium to maximum privacy.
Wavy pattern – with its trademark wavy undulations, provides maximum light transmission with subtle visual distortion.
Frequently Asked Questions – Glass Block Basement Windows
FAQs
Are preassembled glass block windows fabricated with or without vinyl frames?
Preassembled basement window panels are frameless as they are mortared directly into your foundation masonry reopening. Preassembled glass block windows with vinyl frames, we build primarily for wood framed openings.
Can glass block be sized to fit any opening?
Yes, we have many sizes and can fill any width by height with glass blocks. Glass blocks are always configured in a symmetric fashion. Glass block remains one of the most popular basement windows replacement options.
What if we need airflow in a window?
Glass block basement windows are available with an optional fresh air vent. The air vents typically take the place of two or three glass blocks; they are normally centered and come in white vinyl hopper style with a screen on the exterior side. Glass block cellar windows can also incorporate dryer vents.
How are glass blocks installed?
Glass blocks may be assembled with either mortar or clear glazing sealant. Both installation methods are equally secure and watertight. We will make a recommendation based on your windows size and type.
Can I expect glass blocks to be energy efficient?
The glass blocks we install in basement window openings are hollow and are 3 1/8” thick. The air space inside the sealed glass block reduces heat transfer, similar to a thermal pane window. Energy performance is one of the bigger reasons homeowners consider glass block.
Can I get privacy and light transmission with glass block?
All glass blocks transmit light. The level of privacy you seek will determine which pattern you select.
Are glass block windows secure?
Glass block is an extremely secure way to close up your basement window openings. Statistics show the number one entry for burglaries into homes is through basement window openings. Any would-be intruder will surely be deterred by glass block.
How long do glass block windows last?
Properly installed glass block windows can last for decades with minimal maintenance.
Can I get installation service for glass block basement windows?
Yes – we install glass block throughout all of New Jersey, New York, Connecticut, and Pennsylvania.
How much do glass block basement windows cost?
Costs vary based on window size, pattern selection, vent options, installation requirements, and customization.
Can people see through glass block basement windows?
Most glass block patterns distort visibility while still allowing significant natural light into the basement.
Can glass block basement windows replace old steel-frame windows?
Replacing old steel-frame basement windows is one of the most common glass block window applications.
How much natural light do glass block basement windows provide?
Glass block allows substantial natural light to enter while maintaining privacy and security.
Are glass block basement windows available with dryer vents?
Eastern Glass Block offers glass block windows with integrated dryer vent systems.
What are the advantages of glass block basement windows?
Key benefits include security, privacy, durability, energy efficiency, and low maintenance.
Basement Windows Installation Instructions(PDF)
| Comparison | ||
| Single Pane Window — 1/8″ Flat Sheet | Mortared Glass Block Window | |
| Energy efficiency | Minimal insulating value. | Comparable to a double pane window. Eliminates drafts. |
| Window Treatment | Needed to control privacy, thus adding extra costs. | No need. Privacy controlled by pattern selection. |
| Security | Susceptible to breakage, entry and loss of household contents. | Resists breakage and entry. Reduces the risk of burglary. |
| Replacement: | Breakage requires replacement of whole window. | Simple block replacement at minimal cost. |
| Water Penetration | Could be a problem with below-grade installation. | Water resistant. Acts as solid concrete block wall. |
| Cost | Check with your local distributor. | Check with your local distributor. |
