The 1st glass block vinyl frame replacement window with four different ways to install into a masonry/brick or wood opening. Glass Block windows are fabricated with adhesive by Robot and is better than mortar or conventional silicone. Nailing Flange Kit included.
- Replaceable screen with frame on outside
- Real glass block
- Glass in vent not plastic
- Nail from the inside, or the outside, with mortar or silicone
- Can be installed at any temperature when using nailing flange and sealing with silicone