What is the cost of a Glass Block unit?
The price of a unit of glass block will vary by region, location and supplier. Manufacturer's Suggested Retail Prices for the most popular sizes and patters can be found by clicking here. Check with your local supplier for actual prices.
What is the actual versus nominal size of Thinline T and Premiere Series Glass Block?
ThinlineT Series block which is often called 3" block has an actual thickness of 3-1/8". Actual width and height dimensions are ¼ " undersized to allow for application of mortar. Example: 8"x8"x3" nominal equals 7-3/4" x 7-3/4" x 3-1/8".
Premiere Series block (4" nominal thickness) has an actual thickness of 3-7/8". Like the ThinlineT Series, actual width and height are ¼" undersized. Example: 6"x8"x4" nominal equals 5-3/4" x 7-3/4" x 3-7/8".
What are other differences between the Thinline Series and Premiere Series glass block?
Premiere Series
- 4" thickness (nominal) provides extra stability and durability
- Greatest selection of patterns, sizes, and finishing units
- Highest insulation, sound transmission and fire resistance ratings
- Recommended for curved and shower walls
- Suitable for interior walls up to 250 square feet and exterior walls up to 144 square feet using the Mortar II installation method
ThinlineT Series
- 3" thick (nominal) block is a popular residential series
- Limited patterns and sizes available.
- Only finishing unit available for ThinlineT is 4"x8" EndBlock (Decora Pattern)
- Economical
- Ideal for windows and non-curved walls
Can I use Premiere Finishing Units like Corner, Allbend, End, Doublend with Thinline Series glass block?
This is generally not recommended; the excess difference in thickness of ¾ " is noticeable and unsightly.
Is glass block load-bearing?
Glass Block is a non-load bearing material. Provisions (i.e., lintels) at the head should be provided to accommodate the support of loads above the glass block panel (similar to doors and windows).
What is the R-value of glass block?
The R-value for Premiere Series glass block is 2.08, which is more than twice the value for flat 1/8" sheet glass windows or roughly equivalent to a double pane thermal window. The Thinline Series R-values are slightly lower at 2.00.