Putting Metal On The Roof Of My House

Measure the roof area.

Putting metal on the roof of my house.

Screw a metal sheet into the wood of the roof through the tarpaper. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it. Whether you re putting a roof on a new home or your existing roof requires a total makeover there are many materials available. For exposed fasteners avoid over tightening the fastener.

Remove the old roof. You ll want to order metal panels that are an appropriate color and look to complement your. Most codes now allow no more than two layers of roofing before requiring a complete tear off. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

Install the metal edging around the roof s perimeter using 1 inch 3 2 centimeter roofing nails. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Most metal shingles will be attached to the roof using metal shingle. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacture has testing for their roofing panels and then the metal is installed to the purlins.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. This method has its benefits as well. Industry studies show that metal roofs reflect solar radiant heat which can reduce cooling costs by 10 to 25 percent. In climates where cooling costs are higher than heating costs coating a metal roof with a shiny or granular coating can maximize the reflective capacity of the roof and improve energy savings.

Space the screws about 12 in 30 cm apart. Screw in the next sheet making sure that it overlaps the first sheet. You will need to order enough metal material to cover the entire roof and this process. But no matter what roof style you have metal roofs can be an attractive option because of their longevity minimal maintenance and energy efficiency.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Use your neoprene washer head screws to secure the metal to the sheathing. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt. They re common in areas where there is a lot of snow as the slippery surface sheds snow easily.

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. And you can choose from tin zinc aluminum copper or galvanized steel just make sure your metal roofing material is tested and labeled by ul fm global or the equivalent and that you check with your local. 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.