Learn the basics of sheet metal layout including different seams, techniques and tricks. This video also includes the patterns and layout methods for creating rectangular duct, end caps, radius elbows, reducers and plenum boxes.
Tools used;
MALCO N2R Hand Notcher
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Malco A40 Scriber (aka- tree scribe)
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Malco Radius Divider #18
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Malco TR42 Trammel Point, 42"
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Malco S2R Hand Seamer
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Malco M14A 14 in. Straight Cut Aluminum Snip
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Malco A50 Carbide Tipped Scribe
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Malco A2 Scratch Awl
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Malco 48inch Straight Edge Ruler
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Notes; • Do it right the first time! Quality is important AND your reputation is ALWAYS on the line!
Video Chapters
0:00 Intro
1:00 Seams used
3:29 Communicating Fittings
9:59 Duct sizing
11:25 Marking info
13:37 Rectangular duct
18:35 Pattern for rectangular duct
24:49 Assembly line process
28:18 Endcap pattern
33:29 Bending endcap
35:32 Radius elbow
37:55 Pattern for radius elbow
53:25 Pattern for throat and wrapper (radius elbow)
57:31 Bending radius throat and wrapper
59:28 Radius elbow assembly
1:01:55 Reducer
1:02:38 Pattern for reducer
1:16:07 Mechanical Tips