- 1
Measure the window opening on all four sides according to the directions provided. Ideally, this should be done from the outside. Measure and mark the plastic tracking with your pencil to fit each side. Cut the tracking according to the marked segments. A smaller plastic segment needs to be cut that is 1-inch wider than one glass block and only ½ the width of the tracking strip. Set this piece aside for the installation of the final block. - 2
Lay the measured tracking inside the window opening, with the open cut out at the top. Mark and drill pilot holes and attach the tracking with the woodscrews. - 3
Place the first glass block in a lower corner. Put a trimmed shim or spacer vertically next to it. Repeat with the next block until you have completed the first lower row. Keep the channel fitting tightly together. Top these blocks with a horizontal spacer and repeat until the window frame is filled almost completely. The final block will be placed where the segment was cut from the tracking strip. Apply a small bead of silicone to the portion that was set aside and press it into place to complete the block installation. - 4). Use silicone sealant to seal all blocks horizontally. When applying vertically, avoid retracing the horizontal seams, and use the sealant sparingly. Repeat on both the left and right sides of the window and smooth it with a putty knife.
- 5
Wipe away any silicone streaks with lacquer thinner and a sponge. Seal the interior and exterior of the window frame and the edges of the tracking with caulking to finish the project. Not only have you saved money by completing this project yourself, but you will also save up to 25% on your utility bills.
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