Putting On A Metal Roof

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.

Putting on a metal roof.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Metal roofing is also available in the form of shingles. Put the steel down directly on a vapor barrier. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.

Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. 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. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

A properly installed metal roof typically will last as long as the house with an expected lifespan of 40 to 70 years and often a 30 to 50 year manufacturer s warranty to boot. This is not a complete install only basic install on a bungalow i. You can use 1 inch nails for the installation of eave flashing. Take care the first piece is aligned precisely perpendicular square to the edge.

But no matter what roof style you have metal roofs can be an attractive option because of their longevity minimal maintenance and energy efficiency. You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened. Next you are ready to install the metal roof. Use your neoprene washer head screws to secure the metal to the sheathing.

In this video i m installing some metal roofing over an existing ash fault shingled roof. This is where you actually add the metal in the metal roof. Whether you re putting a roof on a new home or your existing roof requires a total makeover there are many materials available. When installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing.