For job site installation of solder flashings, gutter and roof components, gas-fired soldering coppers are not always convenient or safe. Many roofers will instead find it easier to use a heavy-duty electric soldering iron.
Soldering irons capable of soldering sheet metal components range from 250 watts to 550 watts, with either a flat chisel or a diamond pointed soldering tip.
Below is a guide to choosing the right model:
For soldering galvanized steel:
Use either a 250 watt iron with a 5/8 “diameter tip or a 300 watt iron a 7/8” diameter tip.
250 Watt Electric Soldering Iron
| Iron | Weight | Maximum Tip Temperature |
| 250 Watt | 2.5 lbs. | 1,100° F |
| 300 Watt | 3.3 lbs. | 1,050° F |
For copper soldering:
Use either a 300 watt iron with a 7/8“diameter tip or a 550 watt iron a 1 1/8” diameter tip
| Iron | Weight | Maximum Tip Temperature |
| 300 Watt | 3.3 lbs. | 1,050° F |
| 550 Watt | 4.7 lbs. | 1,050° F |
Which Electric Soldering Iron Should You Choose?
Select the largest electric iron that you feel most comfortable holding: the higher the wattage – the heavier and longer the soldering iron will be.
Which Tip Style - Chisel or Diamond Point is Best For Your Job:
- If you’re soldering mostly flat lap seams, choose an iron with a flat chisel tip for the largest surface area and best heat transfer.
- For soldering gutters or boxes, choose an iron with a diamond-pointed tip for a better reach into the corners.
Take a look at the selection of our heavy duty electric soldering irons that are available to make your work more efficient and safer!
