If you are trying to decide between the two materials it’s important to carefully look at the metal over shingle roof problems. With the existing roof left in place.
The two pieces should meet neatly at the corners.
How to install metal roofing over shingles – youtube. Installing shingles over metal roofing is not a thing that you should even try to do. Things to know about metal over shingle roof problems. This is by far the most common way to install a metal roof.
This provides a safer environment for both workers inside the building and the roofers as they install the new roof. Besides the necessary roofing skills, you will need to learn tips specific to shingles installation. The use of roof hugger systems allows you add blanket, rigid and/or reflective insulation between the existing and new roofs.
Installing a metal roof over shingles is costly, subject to the conditions of the existing shingles and does not provide a perfectly flat surface for the metal roofing to be installed. Yeah, it is an oldadage, and it is old because it has helped millions of people.always use ropes and adequate supports on any job that is over a 6/12 pitch.specifications. If you wish to install metal roofing over shingles, it’s recommended to do it one of two ways.
There are problems with metal roof over shingles as mentioned above so you will want to take these into consideration. As long as the plywood under the shingle roof is in good condition, this way can provide many benefits. The information above is all good reasons why not to put a new metal roof on top of shingles.
Such framework offers three significant advantages: Choosing to put a new roof on the house is a big decision and you want to make sure you make a good choice. 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.
If you are in the florida area and are looking for a solution for your aging shingle roof, contact aspen roofing division for a free consultation on your options. Both metal and shingle roofs are great options for your next roofing project. The second way is to install 1×4 purlins over the shingles.
Metal roofing over shingleshow to install metal roofing over an existing asphalt shingle roof.conditions vary on each job and the number one focus is always safety first. But now that i said that, i would tell you that if it was my house, i probably would and the reason is i don’t want to have all those old shingles under the roof. The industry standard for underlayment is often thought of as felt paper (tar paper) but there are also many newer synthetic.
The main challenges when installing a metal roof directly over shingles with no underlayment are clip alignment and abrasion on the underside of. By using roof huggers, the existing roof can be left in place. By laying metal roofing over the shingles of an existing roof you are protecting it from the weather and also from the effects of time.
After all, you’ll be making a significant and long term investment. At the end of the day, you will have a far better product if you do it right and exert the extra time and money before you install a metal roof. Drive nails at high points on the underlying roof, the bottoms of the shingles.
A layer of underlayment installed on top of the existing shingles will help keep the granules of the old shingles from rubbing against the back of the metal and causing possible corrosion. Install the eave piece first, then the rake piece over it. This is the fastest way to install but it doesn’t provide the flattest surface for metal roofing installation.
The first is to apply an approved underlayment over the old shingles.