Installing Metal Roofing To Strapor Not To Strap

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.

Installing metal roofing to strapor not to strap.

The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Standing double locking seam does this tend to sweat on top of asphalt shingles. They are able to withstand winds of more than 100 miles per hour.

In the local area london on the two metal roofing companies i have talked to so far have two different approaches to installing metal roofs. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. Pa models installed vertically in the top of a grouted masonry wall with 6 embedment and 12 0 148 x 3 nails achieve an allowable uplift load of 1 890 lb. After the home is built you run into major issues.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. You can use 1 inch nails for the installation of eave flashing. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Should it be installed over the existing asphalt or strapping 2.

You also need to add. You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened. For pa models 0 148 x 1 1 2 nails may be substituted for 0 148 x 3 nails at 100 of listed load and with a 15 increase in deflection. The easiest way to install hurricane straps is during the construction of the home.

I have used metal roofing on sheds strapped with no sheathing and there is a minute amount of condensation when temperature extremes take place. Question from june in new hampshire. Hurricane straps provide extra security for your home s roof. Start at the highest point and the furthest point from the trash container and take off all the old.

How to install hurricane straps to a roof. This happens on rare occasions here in nova scotia.