Re-covering a steel roof involves applying a new roofing material over the existing steel paneling instead of tearing off the old roof. Many local building codes allow a single re-cover layer, but this can vary widely depending on your location and the condition of the existing steel. Steel roofs are durable, but before adding a new layer, it’s important to check for rust, loose fasteners, or damage that could affect the new installation. Simple DIY checks include looking for visible signs of corrosion, feeling for any soft spots or weakened panels, and ensuring the existing roof is securely attached. Making sure the steel panels are clean and dry before starting any work is also essential to avoid problems with adhesion or leaks under the new covering.
If you’re unsure about the condition of your steel roof or local code limits on re-covering, it’s best to call a licensed roofer who specializes in metal roofing. A professional can assess whether the existing structure meets the load requirements and whether additional prep work, like patching or replacing rusted panels, is necessary. When speaking with a contractor, consider asking, “What local codes apply to re-covering steel roofs in this area?” and “How will the new roofing material be attached to ensure long-term durability without voiding the existing warranty?” These questions help you gauge their knowledge of building codes and their approach to maintaining the integrity of your roof system while providing a safe and effective upgrade.