Shingled Roof Sagging

If you start seeing them in your gutter and backyard especially if the roof is old this means you need a replacement.

Shingled roof sagging.

Decay can occur over time due to a number of reasons including leaks in the roof or leaks from guttering or downpipes wet rot or even insect attacks such as termites damaging the ends of the bearings. Sagging rafters improperly constructed roof walls not appropriately built etc. If the framing is sound and problems are not found elsewhere but the roof still sags the problem might have originated because of poor installation of the plywood sheathing or shingles. Falling granules granules protect your roof s shingles from the sun.

Clear your roof from rainwater as soon as possible to prevent sagging. Low quality materials are more prone to water and weather damage and generally deteriorate faster. Your roof is almost 25 years old. Roofs are only made to last for 30 years before it s absolutely essential that they re replaced.

Less common causes of a sagging roof poor quality roofing material and faulty installation can cause a roof to slump. If your roof is any older than that it s likely to be in a poor state of repair. A sagging roof can mean any number of things. First check to make sure your roof was correctly built if you were not the builder.

The roof is sagging. In this case the problem was due to a combination of poor attic ventilation and two bathrooms with vent fans dumping moist air into the attic. Here s another view of the same roof shown at the top of the page and you can see that the sagging extends over a large area. Roof repairs and maintenance.

If you have an asphalt shingle roof it should last around 25 years. Ice and snow are another reason for roof sagging. Learn how to spot the signs that your roof needs replacing such as brittle shingles and stains on the interior ceiling well before the damage is done. Even the highest quality materials don t last forever though.

Are there ceiling or roof joists.