Fabricate Custom Metal Trim
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What happens here
Custom metal trim pieces are essential for a clean, weather-tight finish around windows, doors, and building corners. To create these, measure the required dimensions for each trim piece. Using tin snips, make initial cuts into the flat metal sheet. Then, carefully bend the metal to form the desired angle and shape. For corner pieces, a folding technique is shown, where a relief cut is made, and the metal is bent to create a neat corner. For flexible J-channels, bend them to match curved openings, such as an arched garage door.
Goal: Create custom metal trim pieces for openings and corners.
Tools and materials
- Angle Grinder with Cut-off Wheel Makita — Making precise or long cuts in metal, especially for thicker gauges or complex profiles
- Level — Assisting with straight bends
- Pencil/Marker — Marking cut and bend lines
- Safety Glasses — Eye protection from metal shavings and sparks
- Tape Measure — Measuring dimensions for trim pieces
- Tin Snips — Cutting and making relief cuts in metal sheets
- Work Gloves — Protecting hands from sharp metal edges
- Flat Metal Sheets — Fabricating custom trim pieces (red and white examples shown)