Metal Roof Installation Instructions Over Shingles

We get asked this question all the time.

Metal roof installation instructions over shingles.

But first here are a few precautions about the underlying material. 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. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. Address any existing roof leaks and replace rotten rafters or. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

The eight step installation instructions below will show you how to install metal roofing panels as a weekend diy project for your home. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. Give our friendly sales staff a call if you have any questions. Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.

Installation of metal roofing over shingles. Can i install a new metal roof over shingles. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

When you are finished with the installation you will have a beautiful metal roof that completely protects your home from the elements. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Otherwise you will need to remove the shingles. This is by far the most common way to install a metal roof. Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty.

Grand rib 3 style roofing can be applied over existing shingles provided the integrity of the roof decking and framing has been checked by a qualified party. A good metal roof starts with the right materials.