Metal Roof Over Shingles
Start putting the metal panels.
Metal roof over shingles. Lay down roofing felt over the entire roof. Asphalt shingles can weigh up to four pounds per square foot depending on the brand. Advantages of metal roofs over shingles. Getting an accurate measurement will help you determine the.
Now there are metal shingles and panels that imitate materials like slate tile wood shake and even asphalt. Metal roofing weighs less than one pound per square foot. In some areas building officials only allow a re roof over one layer of shingles. Asphalt shingle roofing is a dominant material for residences.
Anatomy of a steel roof this is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Otherwise you will need to remove the shingles. Things to know about metal over shingle roof problems both metal and shingle roofs are great options for your next roofing project.
If you don t want to take our word for it check with your local building department. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. However metal roofing is surging in popularity as more aesthetic options become available. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.
This method has its benefits as well. Your goal with the roofing felt is to make sure everything is as. A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it.
After all you ll be making a significant and long term investment. Step by step guide step 1. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Choosing to install a metal roof this way can save you some dough and garner all of the benefits of a metal roof in the humid climate of florida.
If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow. By placing metal roofing over shingles you can save in the labor costs of ripping them off while also preventing them. Get a precise measurement of your roof surface.