How To Paint Tin And Corrugated Metal Roofing

A corrugated metal roof is a hard-wearing, great option for many do-it-yourself projects, like sheds and outhouses. If properly taken care of, this type of roofing material has an average lifespan of 20 to 100 years. In order to maintain the condition and integrity of the roof, you need to add a layer of paint to protect the metal. With the proper application technique and paint, the metal can be painted one time to provide 10 years worth of protection. Roof painting Auckland provide you a guide to help you paint your corrugated metal roof properly.

Steps for Painting A Corrugated Metal Roof

Step 1: Clean your Roof

The first secret when painting corrugated metal roofing is to make sure that the roof is not dirty when painting it. Before you apply a new coat of painting, it is necessary to get rid of any existing dirt and debris buildup.

Maintain the Roof

Remember that if a metal roof is under trees, debris and dirt will accumulate on the roof faster. That is why you need to clean the roof every once in a while after it has been painted, to keep it in good condition.

Use a Power Washer

Warning: Make sure that you are wearing appropriate safety gear, like safety gloves and a breathing mask any time you are going to be working with bleach. Also exercise caution whenever you use a ladder to get onto the roof. For added security have someone hold onto the bottom of the ladder. Get up on the roof using a ladder, then thoroughly clean the roof of any flakes of mold or rust using a power washer. Use a wire brush on any stubborn rust patches. Next used a solution of warm water and chlorinated bleach to clean away mildew or mold. Allow the roof to completely dry before continuing.

Step 2: Buy a Primer

Purchase a galvanized-metal primer for preparing the surface of the roof for painting. Usually these primers are solvent-based, although there are also acrylic-based varieties that are available. For advice, consult with a staff member a a local specialized paint shop.

Step 3: Apply the Primer

Apply the primer, according to the instructions from the manufacturer. Before you apply any painting allow it to completely dry first.

Step 4: Buy a Paint

The kind of paint that should be used as the topcoat on a corrugated metal roof depends on the roof position and weather conditions. A roof that is exposed frequently to direct sunlight is going to perform the best using a different paint composition compared to a roof in a shaded, damp location. Consult with a patient specialist, to get the best paint for your roof.

Step 5: Apply the Paint

Thoroughly read the manufacturer's instructions before applying any paint, to check on what the recommended thickness is for each coat of point. Also, check the weather. If your area is expecting rain within 24 hours, don't start to paint the roof, or if temperatures will be going below 40 degrees 4 during either the painting or the drying process.

Steps For Painting A Tin Roof

Step 1: Clear Debris from the Surface

Painting a tin roof without any preparation will leave you with a finished result that doesn't look very. To achieve the best result possible, you need to clean the roof first. Your ladders should be set up in the enter so you can reach most of the surface without needing to move around too much. A push room can be used to remove larger debris, twigs and leaves. Next use a power washer for removing any grime and dirt that is stuck to the roof. That will also get rid of any grime and oil that has been accumulating for years.

Step 2: Prepare the Metal

Getting rid of the debris, oil and dirt is just the first step in a two-part process for preparing a tin roof to paint. One major issue that many tin roofs have, particularly older ones, is they can quickly get rusty and wear out. Rust can also ruin a great paint job. The first step is using a wire brush to get rid of any loose rust. Knocking the deposit down in the flat areas shouldn't take too much elbow grease or time. The next step is using an electric sander and coarse grit sandpaper for going over the rusted areas you have knocked down. Apply medium pressure on your sander and move it in circular motions. You most likely won't be able to get rid of all of the rust, but your painting will be successful if it's flush with the roof. You can also use this method for removing peeling or chipping paint.

Step 3: Paint

The paint you use needs to be both for outdoor use and metal since it will normally contain rustoleum or another metal protector. Using a paint sprayer to apply the first coat using even, slow passes for the complete length of your roof. Overlap the layer carefully with the previously applied once until you have completely painted the tin roof. You might not be able to use the sprayer to cover the whole tin roof. You can do finish the job through painting by hand. Pour some paint in a try and then use a paint roller and paintbrushes to get the difficult area. Allow the paint to dry completely before you add a second coat if it is needed.