Sagging Roof? It's Probably Time To Replace It

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If your home's roof sags in the center, it's probably time replace it with a new one. A sagging roof can develop from a number of things, including water ponding and structural damage to the support beams and trusses. If you don't replace your roof or repair the structural damage, the roof may collapse inward. Here are possible reasons for your sagging roof and what you can do to solve it.

Why Does Your Roof Sag?

Sagging roofs generally look similar to a horse's saddle because of the way they sink or dip in the center. The weight of the sinking roof can place stress on the walls, trusses and beams that support it. It may be possible for these structures to develop cracks and fractures, which can cause the roof to cave in. 

Several things can cause your roof to sag, including ponding water. Ponding water can place a great deal of weight on the structural components of your roof if it soaks beneath the roof's shingles. Ponding water also creates problems for the membrane and wood deck beneath your shingles, which can rot or deteriorate over time. 

Another possible cause of your roof's sagging is sun damage. If the sun's heat breaks down the surfaces of the roof's shingles, it may allow water to penetrate them. As with ponding, the water can soak through the membrane and damage the beams that support the roof. 

Replacing your damaged roof may be one of the only ways to keep your family safe.

What Can You Do to Fix It?

The first thing you might do is contact a roofing contractor for help. A contractor will generally remove the damaged shingles and membrane to access the roof deck below them. After they expose the roof deck, a contractor may go ahead and replace the damaged structures with new material. You may expect a professional to reinforce the new structures to help prevent sagging in the future. The reinforcement steps may occur from inside the attic, where it may be easier to access the support beams and trusses.

Afterward, a contractor will replace the membrane and shingles that ward off ponding and water intrusion. Shingles made with protective waterproof sealants and barriers may be good options for you. If you have concerns about the best replacements to use, be sure to consult with a contractor prior to the installation.

For more information about your sagging roof, contact a roofer.

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11 August 2016

An Amazing Transformation

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