To protect the integrity of the item repair galvanized metal rust as soon as it is noticed.
Galvanized metal roof coating for holes repair.
This will determine how much materials you need to finish the job.
A direct flame held on the repair area is likely to overheat the solder.
Examine the area for stubborn rust stains.
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This high performance product also contains rust inhibitors which provide long term protection to metal surfaces.
Although the hot dip galvanized coating is very resistant to damage small voids or defects in the coating can occur during the galvanizing process or due to improper handling of the steel after galvanizing.
How to repair a rusted metal roof.
Step 1 apply vinegar to the rust.
Before you start accurately measure the length and width of the hole adding a couple of inches extra to both of these dimensions.
Pour some vinegar on a wire brush then scrub the rusted area thoroughly.
Do not heat the surface over 750 f 400 c or allow the surrounding galvanized coating to burn.
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This is a very important repair that could save your roof.
Step 2 wash the area with a garden hose to neutralize the acids in the vinegar.
Compared to shingles or rolled roofing metal roofing is easy to install and it can last for 20 years or more but it is susceptible to a defect that never.
Clean the repair area.
If you use a direct flame keep it moving.
Step 1 measure the repair area.
Use a soft flame heat gun or soldering iron to heat the parent metal repair area to at least 600 f 315 c.
Get the galvanized metal sheet that you will be using to repair the damage.