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Longmont Roofing: Article About Flat Roof Repair

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Leak repair techniques will vary depending on the leak that is being repaired. Regardless of the style of roof, the first step is to identify the source of the leak. Longmont Roofing professionals have developed various techniques that can be used in this regard.

Flat roofs are designed with multiple layers, using materials like roofing felt and tar. Leaks in this style of roof are often the result of indents or low spots on the roof. Usually, these occur when there is damage to the roofing felt. In more than 90 percent of the cases, a leak in a roof of this type will be directly underneath the felt damage, and so it is very easy to identify the leak's location.

If there is still a collection of water in the leak area, remove it by soaking it up with a mop or rags. Once the standing water has been removed, let the area dry. Remove any gravel, and examine the felt for signs of damage.

If there is a blister in the felt, use a utility knife to cut it open down the middle. The cut should be deep enough to penetrate the entire blistered layer. However, the cut should not be so deep that it perpetrates the roofing felt beneath it.

Now, raise the cut edges of the blister. Any water inside of the blister should be removed by pressing the blister from its outer extremities toward the center.

The roofing contractor experts at Colorado Roof Toppers of Longmont can assist you with questions about roofing companies.

The goal is to remove water from between the roofing layers.

During winter months, wet felt can be dried using a propane torch and a flame spreader. Of course, it is essential to use proper safety gear. The torch should be moved back and forth over the inside of the blister. A word of caution: Roofing felt and roofing tar are extremely flammable. So while the goal is to use the torch to dry the felt, the felt should not be allowed to reach a temperature where it will burn or bubble.

If there is a large accumulation of water underneath the roof, then it is likely that the problem is more complicated than just a blister. There could be water accumulating and running from other surfaces on the roof. It is advisable to contact a roofing professional in these cases.

Once the water has been removed and the wet area is dried, roofing cement can then be placed on the bottom edges of the loose felt. Apply pressure on the sides of the blister. Galvanized roofing nails can be inserted on each side of the slit that was made in the blister. Then, the entire area can be covered with roofing cement. Make sure that the heads of the galvanized roofing nails are covered by the roofing cement.

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