Readers ask: Flashing Detail Where Vinyl Siding Meets Shingle Porch Roof?

Readers ask: Flashing Detail Where Vinyl Siding Meets Shingle Porch Roof?

Where does vinyl siding meet roof?

They’re called headwalls and sidewalls. A headwall is a level junction where a roof meets a wall.

Does flashing go under or over shingles?

Check the base flashing: Make sure the base flashing of your chimney is underneath the shingles and secured to your roof according to the manufacturer’s recommendations. If you do not have base flashing, you can install step flashing up the chimney’s side.

Should I roof or siding first?

Roof always goes first on a renovation That way the roofers can’t damage new siding or windows when ripping off the old roof. Windows usually go in before the siding that way they can be flashed and sealed properly. Siding and exterior trim goes last out of those 3.

Do you need furring strips for vinyl siding?

Furring or strapping must be applied to create an even base for siding. Apply 1” x 3” (minimum size) wood furring, not more than 16” on centers. As an alternative, solid sheathing can be applied directly over the old surface to create a smooth base, or over furring to provide even support for the vinyl siding.

Is roof flashing necessary?

Roof flashing, usually made from metals like aluminum, copper, or steel, is flat and thin, and prevents water from getting under shingles. All of these areas leave shingles and underlayment vulnerable to water, so the flashing is necessary to prevent leaks.

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What are the different types of roof flashing?

4 Types Of Roofing Flashing

  1. Drip Edge. Along your roof’s edges (eaves), drip edge flashing is necessary to prevent water from an overfilled gutter from pushing its way up the edge of the roof underneath the shingles.
  2. Valley Flashing.
  3. Vent Pipe Flashing.
  4. Step Flashing.

Should roofer replace flashing?

Flashing should be installed underneath new shingles to prevent water damage. Roofers sometimes poorly install flashing over the shingles instead of underneath, which compromises their water resistance. Pipe flashing can also be compromised when a roofer installs the nails too close to its corners.

Can you replace step flashing without removing shingles?

You will need to remove and replace the shingles around the chimney also. If done correctly the copper flashing will be reusable for at least a couple roofs.

Should shingles hang over the drip edge?

Shingles should be installed over the drip edge a minimum of 3/8” (9 mm) at both the eave edge and the rake edge. If the drip edge extends… out from the rakes and eaves (typically called DL Style or D Type), the shingles may be installed flush with the drip edge.

What is roof flashing used for?

Roof flashing is a thin metal material that roofers install to direct water away from certain areas (walls, chimneys, roof valleys) of your roof. It’s a crucial roofing material that every roof needs to have.

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