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How to paint rusted areas on the exterior of a home

By Edited Mar 24, 2016 0 0

As you prepare to the paint the exterior of your home you may find a few areas that have rusted over the years. Before you actually paint these areas it is important to take care of the rust first. If you fail to get rid of the rust it will most likely seep through the fresh coat of paint in a short amount of time. Fixing this rust beforehand will prevent you from wasting both time and money.

The first thing you need to do is to identify all areas of your home that currently have rust on the surface. You can do this while you are prepping the rest of your home for painting. Simply keep a role of tape nearby and place a piece of it on each rusted area. This will allow you to keep track of the places that will need additional attention before you begin the actual process of painting.

Before you can paint the areas that are covered in rust they must first be cleaned. Depending on the severity of the rust this can be accomplished in multiple different ways. For severe rust you will need to invest in a hard metal scrapper that can remove the largest of pieces. Another great way to remove severe rust is with a brush that has steel teeth.

For areas where rust is less severe a steel wool pad will usually remove the majority of it. You can finish removing the rust with a medium grit sanding block. Just remember to take your time and be patient to ensure that all rust is removed.

Tip: If you find nails in your home that are causing rust to seep through your paint it may be necessary to replace them with a stainless steel alternative.

Once you have removed the rust from the metal you will need to prime the surface with an appropriate product. There are lots of different types of metal that will rust. It is important to understand what type of metal you are dealing with in order to find a primer that will fend off future rusting.

Before you apply the primer make sure the area is completely clean and free of any lose debris that might have been left behind from the sanding. It is useful to run a clean cloth along the surface or you can vacuum the area for extra precaution. Apply multiple coats of your primer to the surface making sure that each layer is allowed plenty of time to fully dry.

Tip: Always read the directions of your paint and primer carefully. This is especially important when painting outside as the temperature and humidity levels can drastically effect the way your paint will dry.



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