Roof Shingle Installation Problems

Manufacturer s instructions for proper shingle alignment are printed on the shingle wrapper.

Roof shingle installation problems.

In the dictionary to shingle is. This article series discusses how to get the best roofing job. Cut the shingles to fit around the flange s dome. Using a starter shingle at the eaves and rakes can ensure that the installation is off to a good start.

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. However scratches down to the metal can be problematic. 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.

Understand the physics of how a sloped shingle roof works. Installation of metal roofing over shingles. If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water. Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt.

In some instances this can lead to punctures and tears that result in leaks. Eventually the fascia soffits and even the roof sheathing will rot. If you have gutters but no gutter apron to stop the water it will wick behind the gutter. Address any existing roof leaks and replace rotten rafters or sheeting.

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. Lay the lower edge of the flange over the top of the lower shingles and the upper edge is positioned underneath the. Adhere the joint where the cut edges of the shingles meet the dome. Adhere the shingles adjacent to the flange with roofing tar.

But don t assume that every certified roofer is one you want to do business with. Overgrown trees debris and even snow can scuff up the surface. When water flows off the edge of your roof some of it clings to the underside of the shingles and dribbles toward the fascia. We re going to break them down so you know what to look out for.

If you choose to install metal roofing over shingles there are certain things you must keep in mind. 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. Paying attention to proper nailing and nail placement within the common bond area on all courses all the way up to the ridge can optimize the roof s. But first here are a few precautions about the underlying material.