Best answer: How do I flash my porch roof to my house?

Place the flashing between the joint of the house and the roof. The flashing on the wall should be flush against it, and the porch roof portion should be on top of the shingles. Nail the flashing securely in place using roofing nails. Try to keep the nails as flush as possible to the edges.

How do you flash a porch roof?

Lay the cut flashing down at the corner over a shingle that is already in place. The corner cut should be facing upwards. Gently hammer the 45-degree cut around the corner of the porch/roof seam until it sits flat. Secure it to the house wall with a roofing nail at each corner.

How do you install flashing on an existing roof?

Here’s how to do it right the first time:

  1. Cut step flashing pieces to be 10 in. wide and 2 in. …
  2. Nail flashing to roof deck only. Nail through flashing into shingle, do not extend flashing above top of shingle and nail, or flashing will angle up. …
  3. Cover tops of step flashing with house wrap and siding.

How do I fix a leaking porch and house?

The fix could be as simple as caulking a joint or crack to properly flashing the joint where the siding and porch intersect. If the leak is where the siding and the porch meet, the short-term fix is caulking the joint for now, but plan on installing proper flashing later.

IT IS INTERESTING:  How much does it cost to add flashing to a roof?

How do I stop my porch roof from leaking?

The Best Ways to Seal a Leaky Patio Roof

Fill a caulking gun with a watertight polyurethane or oil-based sealant and hold it at an angle to insert the product directly into the gap. Apply the sealant in a smooth bead all the way along the gap. Check the joints of a corrugated metal or plastic roof.

Should flashing go under siding?

In certain instances flashing may need to be installed on the exterior of siding. However, in most instances, step flashing should be installed “behind” siding. It is always recommended to install step flashing behind stucco, Dryvit, wood panel, lap siding, vinyl siding, cedar shingle siding, etc.

Does flashing go under or over shingles?

Instead of installing the step flashing between shingles, the flashing rests on top of the shingles. It’s not unusual to see sealant installed when sidewall flashing is missing. Sealant will eventually dry, shrink and crack. You’ll see sealant substituted for flashing in a lot of different areas on roofs.

Where should Flashing be used on a roof?

Flashing is installed to surround roof features, such as vents, chimneys and skylights. Water should run down the side of the flashing and be directed to the shingles instead of finding its way into the roof deck.

How do I fix my porch roof?

How to Repair a Porch Roof

  1. Remove any damaged shingles or felt paper. Many times when a porch roof is damaged, you will need to remove the damaged portions.
  2. Mark the damaged area and cut it out. …
  3. Cut a piece of plywood that is the same as the area that you cut out. …
  4. Cover the patch with felt paper. …
  5. Replace the shingles.
IT IS INTERESTING:  How do you put a green roof on a house?


How do I find a leak in my porch roof?

If your porch roof features a wooden ceiling, you may be able to find and fix your leak from the inside. Remove any boards around where the leak is coming from, and take a look underneath your porch roof. Are there any damp patches, or brown stains? If so, that might just be where the leak is coming from.

Why is my patio roof leaking?

The most common leaks happen when the patio cover becomes overwhelmed with rainwater. … Another issue is when the patio cover is attached to your fascia board without its gutter and downspout system. Because again, other roofs are dumping water onto the patio cover, overwhelming the system all at once.

Roofs and roofing