A good, solid exterior door serves a great purpose by saving money on utility costs. However, if the door has no window, it doesn’t serve the potential it can. To be able to see the postman when he walks up or the blue sky on a sunny day, or even to add beauty to the door by adding bevelled glass, installing glass in an exterior door is a project that do-it-yourself homeowners can tackle with confidence. In preparation for this project, you need a little information. Exterior doors are 1 3/4 inches thick. Double-pane insulated windows are about a half inch. The 3/4-inch outside corner mould has an inside measurement of 5/8 of an inch. The outside corner mould will allow a half-inch space to insert the glass.
- Skill level:
Things you need
- Measuring tape
- Double-Pane Insulated Glass
- 3/4-inch outside corner mould
- Utility knife
- 4d finish nails
- Nail set
- Drill bit
- Electric Miter saw
- Skill saw
- Carpenter’s Square
- Silicone Caulk
- Caulk gun
Draw the desired shape of the glass on the exterior door using the carpenter’s square. Score the line with a utility knife. This prevents splintering of the wood.
If the desired hole is large enough, cut the straight lines with the skill saw. Set the depth of the blade as needed to cut through the door. Align the blade with the line, set the front edge of the saw flat against the door, and slowly lower the back of the saw through the door. Stop short of the corner, and withdraw the skill saw.
Cut the remaining line with the jigsaw making a clean corner. Be certain that the cut is smooth all the way around its perimeter.
Measure and cut the outside corner mould to fit in the hole like a picture frame for both the inside and the outside of the door. One leg of the outside corner mould will slide into the hole cut for the glass. Secure the “picture frame” mould with the 4d finish nails.
Apply a bead of caulk to the inside of the corner mould so the glass will seal between it and the mould. Insert the glass into place. Apply a bead of caulk against the glass. Install the outside corner mould on the outside of the door with 4d finish nails.
Tips and warnings
- Always wear safety glasses.
- Be certain the exterior door is laying flat and cannot move while the cuts are being made.
- Never leave electrical tools unattended.
- Do not set the depth of the skill blade any more than needed to make the cut.
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