The summertime is when you should make sure your commercial flat roof with a tar surface is ready to face the coming fall and winter. If you notice cracks and worn spots forming on your tar roof, you can resurface the roof with a coating of cold tar before the rain, ice, and snow start to batter it again for another season. Here is how you can put down cold tar to protect the surface of your flat roof.
You Will Need:
You need to clean the surface of the roof of all debris, oil, and greases that can interfere with the ability of the new tar to adhere to your roof. One of the best and easiest ways to remove the debris is use a hand-held leaf blower and a push broom to loosen and remove old leaves and other materials that are stuck to the surface of the roof.
Once the debris is removed, you'll want to clean any oil and grease spots with a mild degreaser and water. You can use a soft-bristled brush connected to a telescopic poll handle to agitate and loosen the oils and grease. Make sure you thoroughly rinse the areas down with fresh water to remove the any residue from the cleaner, greases, and oils.
Applying New Tar
You can apply the new tar after the roof has dried. You'll want the roof temperatures to at least be in the upper 50s, but not higher than 100 degrees (if the temperature is too low, the tar won't harden and seal the roof properly, and if it's too hot, the tar will become watery and it can drip down the side of the building). You should also make sure that it won't rain for two or three days after you apply the cold tar.
Pour the cold tar into a corner of the roof and start rolling it out with a long-handled paint roller. You will want to work from the far end of the building towards the spot you will exit the roof. Make sure you place an even layer over the entire flat surface. You should use a paint brush to get along the edges of the roof, and around pipes, HVAC units, and any other built-in obstructions on the roof. You are done once the roof surface has been completely covered with cold tar. For more information, contact local roofers like Davis and Son Roofing.
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