Always begin working at the point with the longest peak to eave distance.
How to install metal roofing on new house construction.
How to install a metal roof on a house covering your existing asphalt shingles with metal roofing might be worth the expense.
In this case simply lay the insulation between the purlins.
One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.
Remove the old roof.
Take your first sheet of.
Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.
Add the metal panels.
Can you put steel roofing over asphalt.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
Make sure that the insulation you are using is the same thickness so that the metal roof will fit better.
Measure the roof area.
Use your 1 1 4.
A corrugated metal roof is quieter than pvc when it rains.
Install the roofing screws vertically along each rib in the panel.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
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.
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.
You will need to order enough metal material to cover the entire roof and this process starts with measuring the.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Install the eave flashing.
Most codes now allow no more than two layers of roofing before requiring a complete tear off.