Frameless Block Window

• 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
• 1.82 R-value helps reduce heat loss and condensation
• Integrated 16 in. x 8 in. hopper vent features an insect screen on the exterior to help keep bugs outside
• Clear glass pattern offers a smooth, contemporary look with minimal to no distortion
• 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

Dimensions

• Grid Width (in.): None
• Product Depth (in.): 3.125
• Product Height (in.): 21.25
• Product Width (in.): 31.00
• Rough Opening Height (In.): 21.75
• Rough Opening Width (In.): 31.5
• Width (in.) x Height (in.): 31.00 x 21.25

General Details

• Color/ Finish: White
• Features: Insect Screen, Security Lock, Venting
• Frame Type: No Frame
• Glass Pattern: Clear
• Glass Type: Privacy Glass
• Glazing Type: Double-Pane
• Grid Pattern: No Grid
• Grille Type: No Grille
• Included: Screen, Vent
• Number of Grids: No Grid
• Shape: Rectangle
• Solar Heat Gain Coefficient: .68
• U-Factor: .55
• Window Handing: No Handing
• Window Type: Basement, Security
• Window Use Type: New Construction, Replacement

Warranty/Certifications

• Energy Star Qualified: Not Qualified
• Manufacturer Warranty: 10 Year limited