Internet #206851173

Model #3222SFR

Store SO SKU #1001712763

31 in. x 21.25 in. x 3.125 in. Frameless Frosted Non-Vented Glass Block Window

Questions & Answers (1)
  • Pre-assembled glass block replacement window
  • Glass blocks are ideal for basements, showers, bathrooms and more
  • Increase privacy, security, efficiency and appearance
  • See More Details

Frequently Bought Together


Product Overview

Clearly Secure Glass Block Windows come fully assembled to fit a variety of opening sizes and can enhance the comfort and appearance of any room. Glass Blocks are a special building material made of glass and laid similarly to brick or concrete block. For residential purposes glass block windows are commonly used as a basement replacement window but are also ideal for bathrooms, kitchens, sidelights, transoms, garages and much more. They are easily installed in any residential or commercial masonry opening and can also be used in wood frame openings. Clearly Secure Glass block Windows are more difficult for would be thieves to penetrate and thus are considered a more secure alternative to traditional windows. Glass block windows are also considered more energy efficient when compared to traditional plate glass windows.
  • Thermal efficiency of glass block helps to reduce energy costs and helps keep homes comfortable
  • Enhance your homes security with these thick, break-resistant glass block that help keep out unwanted intruders
  • Frosted glass block, with its satin finish, creates softly diffused light with a high level of privacy, the privacy level of frosted block is slightly diminished when the block is wet, but returns once the block has dried
  • 1.82 R-value helps reduce heat loss and condensation
  • Glass block is an efficient sound barrier reducing outside noises and helping keep homes quiet
  • Natural light allowed in that brightens rooms while you gain privacy and eliminate the need for curtains
  • Versatile window solution that is great for basements, bathrooms, kitchens, garages and door sidelights
  • 10-years from date of purchase limited warranty against manufacturing defects

Info & Guides

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Grid Width (in.)
Product Depth (in.)
Product Height (in.)
Product Width (in.)
Rough Opening Height (In.)
Rough Opening Width (In.)
Width (in.) x Height (in.)
31 x 21.25


Exterior Color/ Finish
No Additional Features
Frame Type
No Frame
Glass Type
Privacy Glass
Glazing Type
Grid Pattern
No Grid
Grille Type
No Grille
No Additional Items Included
Interior Color/Finish Family
Number of Grids
No Grid
Product Weight (lb.)
Solar Heat Gain Coefficient
Window Type
Basement,Glass Block
Window Use Type
New Construction,Replacement

Warranty / Certifications

Energy Star Qualified
Not Qualified
Manufacturer Warranty
10 year limited

Questions & Answers


what is the lead time to ship to Inver Grove Heights store Minnesota

Asked by Charles October 31, 2017

Hi Charles, you may review the ETA and the shipping options available for this item (and most items on before purchasing by checking the 'Shipping Options' portion displayed on the Product's Page. The Shipping Options section will also advise what method/ speed of shipping that is able to be selected for the product with ETAs and details for each method of shipping displayed. The ETA and any applicable fees will also be displayed in the cart. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot!

Customer Reviews

  • 3
    out of 1 reviews
  • 0% recommend this product
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Showing 1-1 of 1 reviews
Glass Block Window
Not impressed with the construction. Several blocks glued together with industrial clear adhesive. No directions in the box. I'm a contractor, a homeowner would not install this window correctly.
by David
Showing 1-1 of 1 reviews