Looking for the perfect glass blocks to brighten up your next project—but not sure where to start? With so many manufacturers in the USA, finding a reliable factory that delivers quality, durability, and style can feel overwhelming. Choosing the right supplier isn’t just about aesthetics. The best glass block manufacturers offer lasting performance, energy efficiency, and expert support. Curious which companies stand out above the rest?
Read on to discover the top glass block factories in the USA and find your ideal match today!
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Pittsburgh Glass Block
Product Details:
Pittsburgh Glass Block offers a variety of glass block products and installation services for residential and commercial buildings. Products include glass block windows, shower enclosures, partitions, and custom designs. They provide energy-efficient, secure, and decorative solutions with different block styles, sizes, and patterns.
Technical Parameters:
– Glass block sizes commonly available include 8×8, 6×6, and other modular
– Blocks offer energy efficiency with insulating properties and can help with
– Glass blocks provide privacy while allowing natural light transmission.
– Installations can be customized with vented panels or solid glass for enhanced
Application Scenarios:
– Basement and bathroom windows for privacy and security.
– Shower surrounds and enclosures for a modern, water-resistant partition.
– Interior walls or room dividers to allow light flow without sacrificing privacy.
– Commercial storefront applications for both aesthetics and safety.
Pros:
– Enhances home security due to sturdy construction and tamper-resistance.
– Allows natural light into spaces while maintaining privacy.
– Energy-efficient design reduces heating and cooling costs.
– Low-maintenance and resistant to mold, mildew, and rot.
Cons:
– Limited ventilation compared to traditional operable windows.
– Heavier than standard windows, which may complicate installation.
– Design modifications or repairs can be more challenging due to material
Global Leader in Glass Block Manufacturing | Seves Glass Block
Product Details:
Seves Glass Block, Inc. offers a wide range of glass block products including 3″ Thinline® Series, 4″ Premiere™ Series, High Performance blocks, Solid Glass Brick, Basic Line, Design Line, MYMiniGlass™, Horizontal Block & Pavers, and Tailor Made solutions. They also provide installation accessories such as mortar, mortarless (silicone) systems, vents, and silicone adhesives. Additional solutions like LightWise® Architectural Systems are tailored for high-performance commercial projects.
Technical Parameters:
– Features include ballistic resistance, fire resistance, hurricane resistance,
– Available in both Imperial and Metric sizing standards.
– Glass blocks offered in various privacy levels: maximum, moderate, and minimal.
– Color options include clear as well as multiple colored choices (e.g., #53A551,
Application Scenarios:
– Commercial applications, particularly where high performance is necessary.
– Exterior and interior architectural uses.
– Residential construction and renovation.
Pros:
– Wide range of technical features (e.g., ballistic, fire, hurricane, and impact
– Multiple installation methods (mortar, mortarless, silicone) and supportive
– Customizable in terms of privacy, color, and size.
Cons:
– No direct mention of sustainability or environmental benefits.
– Insufficient specific product performance data or certifications presented on
Glass Block | Seves Glass Block, Inc.
Product Details:
Seves Glass Block, Inc. offers a variety of glass block products and accessories, including different series, colors, sizes, and performance features. Their selection covers basic and design lines, solid glass bricks, high-performance blocks, and installation accessories for both mortar and mortarless applications.
Technical Parameters:
– Available in 3″ Thinline®, 4″ Premiere™, and other size series
– Features include ballistic resistance, fire resistance, hurricane and impact
– Sizing options in both Imperial and Metric standards
– Blocks available in clear and colored varieties
Application Scenarios:
– Commercial and residential building exteriors
– Interior architectural elements
– Environments requiring privacy, security, or enhanced light control
Pros:
– Wide range of technical features for durability and safety (ballistic, fire,
– Multiple design options, including basic, design, and customizable series
– Various installation accessories supporting both traditional (mortar) and
Cons:
– Detailed product specifications (e.g. exact R-values, sizes, weights) are not
– Potential complexity in selecting appropriate series and accessories due to
Glass Blocks, Glass Bricks | Seves Glassblock
Product Details:
Seves Glassblock produces high-quality glass blocks for architectural and design applications. Their product range includes glass blocks in different sizes, finishes, and performances, such as clear or colored glass, energy-saving options, and styles suited for both interior and exterior use.
Technical Parameters:
– Available in various thicknesses (from about 80 mm for basic blocks to thinner
– Thermal insulation values (up to U = 1.5 W/m2K for high-performance blocks)
– Sound insulation (up to 42 dB depending on block type)
– Fire resistance options (up to EI 90 or REI 120 classified according to
Application Scenarios:
– Residential and commercial walls, partitions, and facades
– Shower enclosures and bathrooms for privacy and light transmission
– Industrial settings requiring strong, durable glazing
– Specialty architectural features such as curved walls or colored light
Pros:
– High light transmission with privacy options
– Superior durability and vandal resistance compared to traditional glazing
– Good sound and thermal insulation properties
– Wide variety of finishes, colors, and styles available
Cons:
– Heavier and bulkier than standard glass panes
– Installation is more complex and time-consuming compared to regular glazing
Top 60 Glass Block Suppliers in United States (2025) | ensun
Glass Block Supply | Glass Bricks | In Stock Walls, Windows
Product Details:
Glass Block Supply Company offers a wide variety of SEVES glass block and glass brick products, including interior and exterior wall materials, shower walls, basement windows, and architectural systems. Key product lines include the Imperial Line (with Thinline® 3” and Premiere™ 4” glass blocks), High Performance and Fire-Rated collections, the MyMiniGlass™ colored collection, and the Basic Line (Clear Glass, Soft Shades, Strong Shades).
The company supplies standard and hard-to-find sizes, both in imperial and metric measurements, and also sells a range of accessories.
Technical Parameters:
– Glass block sizes include 8”x8”x4”, 8”x8”x3”, 1919/8 metric, and others in both
– SEVES patented design features include two sheets of low-emissivity coated
– Soft and Strong Shade glass blocks provide varying degrees of light
– Metric sizes are measured in centimeters and are slightly smaller than imperial
Application Scenarios:
– Interior and exterior wall construction for residential and commercial
– Glass block shower walls for bathrooms.
– Basement window replacements, including pour-in-place and hopper window systems.
– Architectural features requiring privacy, natural light, and energy efficiency.
Pros:
– Extensive range of sizes, patterns, colors, and finishes to suit contemporary
– Superior energy efficiency due to patented double-chamber argon-filled
– Naturally provides privacy while allowing ample light transmission.
– Durable, insulating, and easy to clean for long-term functionality.
Cons:
– Some colored glass blocks (Strong Shades) allow less light to pass through due
– Metric and imperial sizing differences may require careful measurement to
Quality Glass Block Supplier: Wholesale Glass Blocks Online
Product Details:
Quality Glass Block offers a wide selection of glass blocks, glass block windows, and related accessories for residential and commercial use. Their product line includes standard and custom glass block designs as well as pre-assembled glass block window units and finished window solutions.
Technical Parameters:
– Available in sizes ranging from 4×8, 6×6, 8×8 inches, and specialty shapes
– Various thickness options (typically 3 inches or 4 inches)
– Privacy levels from clear to high-privacy glass block choices
– Glass block types include energy-efficient, fire-rated, and colored options
Application Scenarios:
– Residential window replacements or new construction windows
– Commercial building facades and partitions
– Shower enclosures and interior design elements
– Basement windows and security window installations
Pros:
– Provides privacy while allowing natural light transmission
– Offers energy efficiency and some sound insulation
– Durable, low maintenance, and resistant to weather and corrosion
– Customization options in size, pattern, and color
Cons:
– Limited design flexibility compared to traditional clear glazing
– May require professional installation for optimal results
– Heavier and less adaptable than standard window materials
About Us | Seves Glass Block, Inc.
Product Details:
Seves Glass Block manufactures a comprehensive range of glass blocks for architectural and interior design projects. Their offerings include customized solutions for unique aesthetic demands, prefabricated LightWise® Architectural Systems (including vertical and horizontal panels and solar wall tubes), and specialized glass block window systems compliant with security, hurricane, tornado, and blast requirements. The products are sold through a trusted distributor network and are supported by global expertise, manufacturing facilities, and North American certifications.
Technical Parameters:
– Prefabricated systems: windows and panels for both vertical and horizontal
– Specialty systems: HURRICANE, TORNADO, BLAST, SECURITY, and DETENTION glass
– LightWise® Horizontal Systems: made of glass pavers and precast concrete to
– North American certifications and Imperial size offerings available
Application Scenarios:
– Architectural features for commercial and residential buildings
– Interior design elements for restaurants, homes, and public spaces
– Security and detention windows and installations requiring blast or hurricane
– Creative daylighting through multi-wythe masonry walls, floors, bridges, and
Pros:
– Customizable and adaptable solutions for unique design requirements
– High levels of durability, brilliancy, transparency, and resistance
– Enhances energy efficiency and maximizes natural light transmission
– Largest product selection in the glass block industry, including color and
Cons:
– Products are only available through distributors (may limit direct purchase
– Potential perception as a non-traditional or specialized construction material,
Glass Block – Quality Glass Block
Product Details:
Quality Glass Block offers a wide selection of glass block products, including individual glass blocks, prefabricated glass block panels, and accessories for residential and commercial construction. The offerings cover various patterns, colors, and sizes, suitable for multiple design and lighting applications.
Technical Parameters:
– Multiple sizes available (e.g., 6×6, 8×8, 12×12 inches)
– Various glass patterns such as wavy, diamond, and frosted
– Color options, including clear and colored glass blocks
– Prefabricated panels with reinforced frames for easier installation
Application Scenarios:
– Interior and exterior windows for homes and commercial buildings
– Shower enclosures and partition walls
– Basement windows and security features
– Decorative accents in entryways or room dividers
Pros:
– Provides privacy while allowing natural light to pass through
– Durable and low-maintenance material
– Wide range of design options (patterns, colors, and sizes)
– Energy efficient and offers some sound insulation
Cons:
– Heavier and harder to install compared to traditional window materials
– Limited flexibility for non-rectangular or highly customized shapes
Glass Blocks Suppliers – Thomasnet
Product Details:
Glass Blocks from suppliers and manufacturers across the USA are available on Thomasnet. Product categories include glass blocks as well as related products like sight glass, glass melting tank blocks, and more. The platform enables supplier discovery, product catalogs, instant quotes, and CAD model downloads for glass blocks.
Application Scenarios:
– Building and architectural applications
– Construction projects using glass blocks
– Projects requiring decorative or structural glass materials
Pros:
– Access to a wide range of suppliers and manufacturers
– Ability to view product catalogs and CAD models
– Supplier discovery and instant quoting features
Cons:
– Detailed technical specifications and product parameters not provided up-front
– Requires registration to access full supplier and product details
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Pittsburgh Glass Block | Pittsburgh Glass Block offers a variety of glass block products and | Enhances home security due to sturdy construction and tamper-resistance. Allows | Limited ventilation compared to traditional operable windows. Heavier than | www.pittsburghglassblock.com |
| Global Leader in Glass Block Manufacturing | Seves Glass Block | Seves Glass Block, Inc. offers a wide range of glass block products including | Wide range of technical features (e.g., ballistic, fire, hurricane, and impact | No direct mention of sustainability or environmental benefits. Insufficient |
| Glass Block | Seves Glass Block, Inc. | Seves Glass Block, Inc. offers a variety of glass block products and | Wide range of technical features for durability and safety (ballistic, fire, | Detailed product specifications (e.g. exact R-values, sizes, weights) are not |
| Glass Blocks, Glass Bricks | Seves Glassblock | Seves Glassblock produces high-quality glass blocks for architectural and | High light transmission with privacy options Superior durability and vandal | Heavier and bulkier than standard glass panes Installation is more complex and |
| Top 60 Glass Block Suppliers in United States (2025) | ensun | |||
| Glass Block Supply | Glass Bricks | In Stock Walls, Windows | Glass Block Supply Company offers a wide variety of SEVES glass block and glass | Extensive range of sizes, patterns, colors, and finishes to suit contemporary |
| Quality Glass Block Supplier: Wholesale Glass Blocks Online | Quality Glass Block offers a wide selection of glass blocks, glass block | Provides privacy while allowing natural light transmission Offers energy | Limited design flexibility compared to traditional clear glazing May require | www.qualityglassblock.com |
| About Us | Seves Glass Block, Inc. | Seves Glass Block manufactures a comprehensive range of glass blocks for | Customizable and adaptable solutions for unique design requirements High levels | Products are only available through distributors (may limit direct purchase |
| Glass Block – Quality Glass Block | Quality Glass Block offers a wide selection of glass block products, including | Provides privacy while allowing natural light to pass through Durable and | Heavier and harder to install compared to traditional window materials Limited | www.qualityglassblock.com |
| Glass Blocks Suppliers – Thomasnet | Glass Blocks from suppliers and manufacturers across the USA are available on | Access to a wide range of suppliers and manufacturers Ability to view product | Detailed technical specifications and product parameters not provided | www.thomasnet.com |
Frequently Asked Questions (FAQs)
How can I find reputable glass block manufacturers in the USA?
Start by searching online directories, trade association listings, or business marketplaces like ThomasNet. Attend building material trade shows or seek recommendations from construction professionals. Always review manufacturer websites to check product offerings and company information.
What should I consider when comparing glass block manufacturers?
Compare factors like product quality, customization options, pricing, minimum order quantities, and lead times. Also, look at certifications, third-party testing, and the range of glass styles or finishes offered. Don’t forget to check customer reviews and after-sales support.
Do USA glass block manufacturers offer customized sizes and designs?
Many manufacturers provide customization for sizes, shapes, frosting, and patterns. Some also offer colored or specialty glass. If you have specific requirements, contact the manufacturer’s sales team to discuss customization options and any related costs.
What is the typical turnaround time for orders from USA glass block factories?
Turnaround times can vary based on order size, product availability, and customization requests. Standard orders may be ready in 2-4 weeks, while custom designs could take longer. Always confirm lead times with the manufacturer before placing an order.
How can I verify the quality of a glass block manufacturer’s products?
Ask for product samples, certification documentation, and test reports (like ANSI or ASTM compliance). Review customer testimonials or references, and if possible, visit their factory or showroom. Reputable manufacturers will readily provide quality assurance information.
