How To Lay Metal Roofing

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.

How to lay metal roofing. In many cases it makes sense to remove an old or dilapidated roof and install a metal roof that is better able to withstand the elements. Lastly use heavy gloves when handling sheets of metal roofing material as they can be sharp and lead to cuts. Use metal snips to cut flashing material. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Install gutters in valleys as needed. Cut the gutters to fit using metal snips. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it.

You will also need a large garbage can a jigsaw or power metal shear a staple gun a drill and assorted drill bits 1 inch roofing nails metal roofing screws and self drilling self sealing wood screws. You will most likely have to order the roofing metal in the amount and color specific to your house. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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.

This helps to prevent water infiltration. How to lap metal roofing a basic rule of thumb for installing metal roofing is that the piece of roofing higher up on the slope should always overlap the one below it. Metal roofing can also be significantly more expensive than pvc. Secure the gutters using a hammer and 1 2 inch roofing nails.

Measure the length of the roof edge with a tape measure.