Model # GBD683

Internet #203644415

Clearly Secure 6 in. x 8 in. x 3 in. Diamond Pattern Glass Block (4-Case)

Discontinued Clearly Secure

6 in. x 8 in. x 3 in. Diamond Pattern Glass Block (4-Case)

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Frequently Bought Together

Product Overview

Clearly Secure individual glass blocks combine the qualities of beauty, performance and practicality in a material that permits the flow of light. Glass blocks are a special building material made of glass and laid similarly to brick or concrete blocks. Used in partitions, shower walls, curtain walls and room dividers, glass block permits light from one space to travel to another, helping to save on illumination costs. Glass block’s properties lend style and privacy while also helping to muffle sound. Additionally, individual glass block may be combined with other Clearly Secure glass blocks and Clearly Secure hopper and dryer vents to build enhanced privacy and security windows for basements, bathrooms, kitchens, garages, transoms, door sidelights, offices and much more.

  • By combining angles and circles, the diamond glass block pattern offers a prismatic–like appearance and a higher level of privacy with a pattern that is non-directional
  • May be used in residential or commercial projects
  • 3in. thick Clearly Secure glass block may be combined with other 3 in. thick Clearly Secure glass block patterns and sizes
  • When used to construct a window, Clearly Secure hopper air vents and dryer vents may be added to your project to add air flow or exhaust a clothes dryer
  • White edge coating brightens your finished project
  • Enhances security when used in window applications
  • 1.75 R-value helps reduce heat loss
  • Provides an efficient sound barrier reducing outside noises and helping keep homes and offices quiet
  • Enhances privacy while permitting the flow of light
  • Made of real glass
  • 1-year from date of purchase limited warranty against manufacturing defects

Info & Guides

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Product Depth (in.)
Product Thickness (in.)
3.125 in
Product Width (in.)


Color Family
Insulation R-Value
Product Weight (lb.)
Thermal Conductivity in BTU
.55 Btu

Warranty / Certifications

Manufacturer Warranty
1-Year limited warranty
UL Fire Rated

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Customer Questions & Answers

Do these block any UV light?

Asked by: Tbarri

Is this load bearing? How much weight can it support? I plan to use it as a stand for my TV set.

Asked by: DANIEL
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Customer Reviews

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