If you live in a home with a flat roof, knowing how to tar a roof can save you a lot of money and frustration. A flat roof is particularly prone to weak spots that lead to leaks, primarily because water sits on the flat surface for long periods of time instead of draining off like it would on a slanted roof. Applying a tar roof sealant is the best way to keep a flat roof in good shape and free of damage or leaks.
You can learn how to tar a roof from a "how to" book, an online resource, or by talking with a roofing specialist at your local roofing supply store. In most cases you will need a roller, an extension pole and enough tar to cover the roof to the depth recommended by the tar manufacturer. Be careful not to apply too much tar or you risk causing drips and runs down the side of your house and on to the plants and other items below.
How to Tar a Roof
You can apply tar to a roof in temperatures as low as 40 degrees but you should be aware that the tar will not seal completely until the temperature rises to about 70 degrees or more. Do not try to apply the tar when it is extremely hot, either, as this can also cause the tar to drip off of the roof.
Start in the corner of the roof that is farthest away from your ladder and apply the tar according to directions on the container. Spread the tar around with the roller, using smooth strokes that apply the material to all parts of the roof. When you are finished, carefully climb down the ladder and clean up after your project. In most cases you will want to carefully wrap the roller and discard it according to manufacturer instructions.
Once you know how to tar a roof you will be able to keep your flat roof in excellent condition for many years to come.
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