How Do I Install A Metal Roof Over Shingles

Always try to measure from the ground first in order to keep yourself safe.

How do i install a metal roof over shingles. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. How to install a metal roof over shingles hunker. Begin laying the metal sheets from the bottom to the top of the roof. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Measure the length width and rise of one section your roof. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Before you can begin to update your roof you will have to get an accurate. If you must climb onto the roof to measure the space be.

Can i install a new metal roof over shingles. Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. When you install the panels you will have to cut the valleys by hand.

Install the metal edging. Screw the metal sheets into the slat board with a wood screw every 2 feet along the edges. The low weight of metal roofing is one thing that encourages this. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.

Also be careful not to scratch the colored surfaces of the metal. A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. 5install metal panels or shingles.

Make a slat board base on top of the shingles. Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills. 1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Overlap the rises and dips if using corrugated sheets or lay flat sheeting with a slight vertical overlap. Install your metal edging around the perimeter of your roof. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line.

Another added benefit is that the layers of your old roof will further insulate your home. You can pre measure closely and install them as you go along or you can cut the panels close leaving out some of the screws and then come back later.