Photo: Kristine Larsen
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Steady the trim against the plywood frame, and trace cut lines for the front and sides of the window box. No need for a back panel; it won't be seen.
Step 4: Determine Molding Lengths
Introduction
Step 1
Build a Plywood Frame
Step 2
Attach the Bottom of the Frame
Step 3
Add Drainage
Step 4
Determine Molding Lengths
Step 5
Make the Cuts
Step 6
Adhere the Molding
Step 7
Secure with Nails
Step 8
Seal the Finish
Tools List
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Circular saw
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Hammer and nailset
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Clamps
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Drill driver fitted with a ½-inch paddle bit
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Miter saw
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Gloves
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Mask
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Goggles
Shopping List
1. 6- or 8-inch salvaged baseboard or casing
2. Plastic planter
The planter can be shallower than the window box but should match it in length.
3. Water-resistant wood glue
4. ½-inch exterior plywood
Get a 2-by-2-foot piece.
5. 6d finish nails
6. Clear spar urethane
2. Plastic planter
The planter can be shallower than the window box but should match it in length.
3. Water-resistant wood glue
4. ½-inch exterior plywood
Get a 2-by-2-foot piece.
5. 6d finish nails
6. Clear spar urethane
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