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Global Glass Block Co. is the company to call for Weck glass blocks. You can choose from an array of options, including clear patterns, designer shapes, metallic finishes, regent style, and more. If you’d like to learn about some of the key features of these premier products, please read on.
Firestop Blocks
Setting new industry standards, Weck Firestop blocks offer new options for fire-rated installations. Now both thin-line and standard-thickness blocks are fire rated for 45 minutes when used as protected openings in either masonry or gypsum board walls. A labeled frame developed by Glashaus, Inc., is used for borrowed light gypsum board applications. For protected openings, Nubio-60, Clarity-60, or Fortress-60 blocks are fire rated for 60 minutes when used in either masonry or gypsum board. Clarity-90 is fire rated for 90 minutes when used with masonry.
Blocks were tested by UL-9, a test for window assemblies. Corner blocks, end blocks, metric blocks, and 12 inch by 12 inch sizes are not fire rated.
Weck Firestop 60
Square Size: 8 inches x 8 inches x 3 7/8 inches
U.L. File R 11679-3
Weck Firestop 90
Square Size: 6 inches x 6 inches x 3 7/8 inches
U.L. File R 11679-4
Weck Firestop 60
Square Size: 8 inches x 8 inches x 3 7/8 inches
U.L. File R 11679-3
Weck Firestop 60
Square Size: 8 inches x 8 inches x 3 7/8 inches
U.L. File R 11679-3
Goldtone Blocks
If you like the touch of soft, earth-tone beauty, Weck's Goldtone blocks offer you a truly distinctive option. Using no metallic elements or oxides, this can become discolored over time or through exposure to sunlight. Goldtone blocks give you warmth and soft rays of golden light. Stark, contemporary designs can be muted and softened beautifully, turning cold spaces into warm and comfortable places.
Nubio’s intersecting random-wave pattern provides an attractive appearance and excellent privacy. Its smooth exterior surface makes for easy cleaning. Its matching designer shapes provide beauty and flexibility to create angles, curves or finished jambs and/or heads. Fire ratings of 45 and 60 minutes are available.
Nubio Clear
Nubio Goldtone
The Aktis has an elegant crystalline pattern that provides privacy and good light transmission at a reasonable cost. It has a smooth exterior surface.
Aktis Clear
Metric blocks are available in three distinctive patterns. Produced to metric dimensions, variable mortar joints will yield 7 3/4 inches or 8-inch rows. The blocks’ exterior measurements are 7 1/2 inches by 7 1/2 inches by 3 1/8 inches.
This see-through block provides a dramatic grid effect, undistorted vision, and maximum light transmission. Matching designer shapes provide beauty and flexibility to create angles, curves, or finished jambs and/or heads. They are available in 45, 60, and 90-minute fire ratings.
Clarity Clear
Clarity Goldtone
The Fortress is an extra-heavy block that minimizes vandalism. It is available with a small-line pattern or in Clarity.
Fortress Clear
The X-Rib has vertical ribs on one face and horizontal ones on the other for privacy.
X-Rib Clear
The Spray has a grid pattern that offers privacy and reduces glare.
Spray Clear
BlokUp Mortarless Systems 
We are now introducing BlokUp Mortarless Systems, metal networks for authentic Weck glass blocks' walls and windows that will save you time, money, and labor.
Now there's a faster, easier way to enhance any project with authentic glass blocks, whether the job is large or small. Install genuine Weck glass blocks with any of our three extruded-metal BlokUp systems.
Full-Frame Extruded Aluminum System Adds Strength While Saving on Labor
Now Weck glass blocks windows can be preassembled off-site in the same manner as conventional windows and installed quickly with optional nailing fins. You can also construct a framed wall of blocks, on site, up to 150 square feet, saving time and labor.
Framed Curved-Wall System for Design Versatility, Increased Strength, and Added Security
BlokUp's exclusive connectable radius sections permit any professional tradesman to create graceful curved walls of glass, indoors or out. Frame and horizontal-metal sections provide added strength for additional home security. Hinged metal sections can be easily bent to fit any wall’s radius.
The Frameless System Provides Clean-Line Walls of Glass Block, Without Aesthetic or Structural Compromise
A special telescopic anchor clip permits unobstructed frameless installations without sacrificing strength or stability. The system adapts to openings of any size. As with framed systems, frameless BlokUp adds the strength of horizontal metal beams.
BlokUp Advantages
  • Design versatility: systems for curved, stepped, or straight walls
  • Ease of block assembly
  • Faster installation
  • Lower installment cost
  • Mechanical connections
  • Metal beams in all horizontal joints
  • Optional sill-drain system for automatic drainage
  • Optional thermal break prevents energy-robbing conduction
  • Predictable finished quality
  • Weather tight in three ways: silicone inside, silicone front, and rear seals
  1. Glass-block sealant is applied to the center seam of the block’s vertical edge. The vertical separator is inserted into the frame’s slot, against the block.
  2. Sealant is then applied to the center seam of the top sidewalls of the first course. Next, the horizontal separator is laid on the blocks, extending from slot to slot at the sides. More than a spacer, the metal separator functions as a stiffener in every horizontal joint.
  3. Sealant is applied to the center of the horizontal separator and on the sides of the frame, up to the next slot. The first block of the second course is then laid. Sealant is then applied to the vertical side of the block and the next vertical separator is put into place.
  4. Smaller installations can be quickly erected by connecting horizontal separators with BlokUp clips.
Contact Information
Global Glass Block Co.
23570 Lakeland Blvd.
Euclid, OH 44132

East: 216-731-2333
West: 440-885-0050
Fax: 216-731-3832