Roof Shingle Installation Problems

However scratches down to the metal can be problematic.

Roof shingle installation problems.

Common asphalt shingle failure factors include improper storage and handling of the asphalt shingles before installation improper nailing improper flashing which pertains to any roofing material and defective asphalt shingle product material leading to thermal splitting cracking blistering staining and in some cases curling or cupping shingles. Adhere the joint where the cut edges of the shingles meet the dome. Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt. When water flows off the edge of your roof some of it clings to the underside of the shingles and dribbles toward the fascia.

Lay the lower edge of the flange over the top of the lower shingles and the upper edge is positioned underneath the. But first here are a few precautions about the underlying material. Eventually the fascia soffits and even the roof sheathing will rot. Faulty installation if you can see voids or gaps beneath the bottom edges of the shingles even after the roof has had a chance to seal the problem might be due to faulty installation.

Manufacturer s instructions for proper shingle alignment are printed on the shingle wrapper. Roofers who are careful to avoid these mistakes can avoid unintended problems after installation. If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water. Because the bending can stress and deform shingles especially in cold weather the ends of those shingles may warp over time creating a prominent pattern on the roof.

Understand the physics of how a sloped shingle roof works. Using a starter shingle at the eaves and rakes can ensure that the installation is off to a good start. Eliminating problems pays big dividends. Cut the shingles to fit around the flange s dome.

At some point during its lifecycle you can expect the metal panels to get scuffed or scratched. Pattern curling is caused by the roofer having to lift the end tab of every other shingle to install the last shingle nail at the end of the next shingle. If you have gutters but no gutter apron to stop the water it will wick behind the gutter. In some instances this can lead to punctures and tears that result in leaks.

Overgrown trees debris and even snow can scuff up the surface. This article series discusses how to get the best roofing job. In the dictionary to shingle is. Installation of metal roofing over shingles.

Adhere the shingles adjacent to the flange with roofing tar. We re going to break them down so you know what to look out for. But don t assume that every certified roofer is one you want to do business with. The roofer who put these shingles in place probably lacked proper training something which some roof contractor certification programs are trying to address.