Questions tagged [sheet-metal]

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2answers
75 views

Cutting copper sheets with a Dremel

I need to cut 0.2mm thick copper sheets. I do not want to use a nibbler or snips because I need to prevent the sheet from being bent as it is cut. I want to use a Dremel 2050-N/ 11JA Pen-type Rotary ...
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2answers
230 views

What material can I put along a sharp, thin metal edge?

I have some sharp aluminum sheet metal, about as thin as a sheet of paper. I need to put something on the edge to protect other items from being cut by the edge. This could be a piece of rubber that ...
-2
votes
1answer
226 views

How to join two pieces of sheet metal?

I have a piece of sheet metal flashing I would like to extend by about 6". Due to its installation, it would be impractical to remove it and put a new piece that is of the right size, so a ...
2
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0answers
649 views

Are there any special considerations when cutting powder-coated metal?

I have a thin powder-coated steel sheet which I'd like to cut into panels. I've never cut powder-coated metal before. Are there any considerations I need to make when doing so?
3
votes
1answer
896 views

How to fit a pvc window to a corrugated metal shed

I have a corrugated metal shed which i want to fit a pvc window. I am not so sure how should i approach to this. The shed looks like the one pictured below but there are 2 vertical perimeter channels ...
2
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2answers
2k views

What thickness metal for ramp/walkway?

I need to construct an outdoor shallow ramp approx 4m long and 1.5m wide for a 1:12 gradient. I'm considering metal sheeting for the walkway rather than decking but I don't know what thickness of ...
2
votes
1answer
112 views

How to cut 2-1/4" diameter hole in sheet metal box?

I have a sheet metal (galvanized steel) box on my roof that's currently protecting the return and supply ducts for my old package unit air conditioner. I'm replacing it with a split system, and ...
0
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3answers
1k views

How to make a reverse bend in a sheet metal box

I need to bend sheet metal in a box-like shape, but with one flap in the reverse direction as shown below: Currently I only have a simple flat brake, however, I don't see how to do this, even if I ...
1
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1answer
106 views

Cut sheet metal in half?

I need to cut some stiff sheet metal for roofing trim and the problem is dividing larger sheets. For example, I might have a sheet that is 6 feet x 12" and I need to divide it in half. The problem is ...