Do you use drip edge with metal roofing?
A drip edge is not needed for metal roofing. If you make sure to overhang your metal roofing at least an inch, the drip edge is not necessary at the eaves and rakes. If the metal roof is hanging over an inch, the water will be directed away from the fascia anyway if at a slant.
How do you flash the edge of a roof?
Seal the top edge of the eaves metal with flashing tape or a thin strip of roof membrane. Rake membrane only needs to be a single width and should extend up all of the rake edges. Work the edge metal up the rake from the bottom. The upper pieces should overlap the lower ones.
How much overhang should there be on a metal roof?
Little Metal Roof Overhang A typical metal roof overhang may be 2 to 4 inches, or even less. Some slight overhang is recommended, in conjunction with a drip edge flashing, to prevent water from getting under the roofing and onto underlying wood.
Do I need a drip edge on my roof?
The 2012 International Building Code (IBC) requires drip edges for that type of roof. Regardless of the kind of roof you have, we highly recommend installing drip edges. Keep in mind that improper installation of any roofing component can create gaps, rendering any waterproofing solution useless.
Is drip edge on roof necessary?
Without a drip edge, water may end up beneath the shingles and may cause damage to various parts of the home. Though your home may not have originally had a drip edge installed, drip edges are now required by most building codes across North America to protect homes from damage.
How far should metal roof hang over edge?
A typical metal roof overhang may be 2 to 4 inches, or even less. Some slight overhang is recommended, in conjunction with a drip edge flashing, to prevent water from getting under the roofing and onto underlying wood.
What is the correct way to overlap metal roofing?
When the panel is laying flat on a surface, the side that touches flat is the underlap side. The opposite end, the overlap side, will be elevated slightly above the surface. When laying the metal panels on the roof, the overlap ridge of the new panel should straddle the underlap ridge of the panel before it.