Repairing Rusted Metal Roof

Left untreated white rust corrodes the zinc and the metal underneath begins to rust exhibiting the more traditional brownish red color.

Repairing rusted metal roof.

Metal roofs have quickly become a popular option for homeowners due to their easy installations durability and long life spans. The first step in the repair of any metal roofing material will involve cleaning the surface. Unfortunately over time this coating can fail leading to minor rust outbreaks. Once done you can paint over rust.

Start with a wire brush photo 1. Clean the repair area. However badly rusted metal areas need more prep work and possibly a special primer. Occasionally rust will eat right through your tin roof leaving minor cracks or holes.

Plan to spend about 100 on supplies like sandpaper primer masking tape and poly sheeting a tack rag polishing compound and touch up paint and clear coat. Rust repair isn t hard but it is time consuming mostly waiting for primer and paint to dry between steps. However if a large area of the roof is rusted sanding a large surface with sandpaper will be time consuming and tiring. Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer.

The first step in repairing a rusted tin roof is to prepare the rusted surface. If you are preparing to paint a rusted galvanized metal roof pay special attention to surface preparation or you will have a recurrence of rust and or flaking. Buy paint and supplies. If only a small part of the surface is rusted you can remove the rust with the help of sandpaper.

However metal roofs are susceptible to a few unique problems like rust. A hole in a metal roof system can be caused by any number of sources the hole may be from deterioration and rust or it may be from something falling onto the roof surface such as a large branch. Galvanized metal roofs are coated with a layer of zinc that inhibits rust. Step 1 apply vinegar to the rust.

Large rusted out areas require a replacement sheet of metal but for smaller problem areas you. Learn how to repair and protect your metal roof. Pour some vinegar on a wire brush then scrub the rusted area thoroughly. To protect the integrity of the item repair galvanized metal rust as soon as it is noticed.