How To Install Metal Roofing On New House Construction

Install the roofing screws vertically along each rib in the panel.

How to install metal roofing on new house construction.

Remove the old roof. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. Always begin working at the point with the longest peak to eave distance.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. You will need to order enough metal material to cover the entire roof and this process starts with measuring the. Take your first sheet of. Install the eave flashing.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. How to install a metal roof on a house covering your existing asphalt shingles with metal roofing might be worth the expense. 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. One of the more popular methods of placing metal roofing on a home is to lay down purlins across the existing shingles.

In this case simply lay the insulation between the purlins. Most codes now allow no more than two layers of roofing before requiring a complete tear off. The edging or eave flashing consists of metal strips that are used to cover the perimeter of the roof. Measure the roof area.

Here are some pros and cons. Make sure that the insulation you are using is the same thickness so that the metal roof will fit better. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.

Add the metal panels.