How Do I Install A Metal Roof Over Shingles

Before you can begin to update your roof you will have to get an accurate.

How do i install a metal roof over shingles.

Screw the first sheet in the center as well as the edges. 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. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Always try to measure from the ground first in order to keep yourself safe.

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. Install the metal edging. Begin laying the metal sheets from the bottom to the top of the roof. Make a slat board base on top of the shingles.

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. Another added benefit is that the layers of your old roof will further insulate your home. Install your metal edging around the perimeter of your roof. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

If you must climb onto the roof to measure the space be. Put the steel down directly on a vapor barrier. How to install a metal roof over shingles hunker. 5install metal panels or shingles.

Install the roofing screws vertically along each rib in the panel. The low weight of metal roofing is one thing that encourages this. Overlap the rises and dips if using corrugated sheets or lay flat sheeting with a slight vertical overlap. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Can i install a new metal roof over shingles. When you install the panels you will have to cut the valleys by hand. 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. 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. Screw the metal sheets into the slat board with a wood screw every 2 feet along the edges. 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.

Measure the length width and rise of one section your roof. 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.