What is a transition on a roof?

The transition flashing prevents leakage at the point where two different roof pitches meet. It must be sealed on the lower side with outside closures, and can be sealed underneath the upper panels with inside closures. The similar gambrel flashing is used where the lower pitch is steeper than the upper.

What is gable flashing?

Gable flashing is used to trim the edge of the roofing panel at the gable end of the roof. It should match the eave drip that extends along the drip edge of the roof. If the panel is allowed to hang over the gable end, eave drip can be used instead.

How do you transition a metal roof to a different pitch?


Quote from Youtube video: So the piece that's going to allow us to join the panels on the lower slope and the panels on the higher slope is the pitch transition flashing or the pitch change trim.

How do you flash a gable roof?

Quote from the video:
Quote from Youtube video: Place the first step flashing strip over the end of the starter course shingle and secure. The step flashing to the roof with 2 nails.

How do you join two roof pitches?

Position the flashing between the two roof pitches. Slide the right edge of the flashing under the highest roof pitch. Place the 2-by-4-inch piece of lumber along the center of the flashing. Gently bend the flashing using the edge of the lumber until both sides of the flashing match the slope of the two roof pitches.

What are the different types of roof flashing?

Some types of roof flashing are counter flashing, chimney flashing, step flashing, headwall flashing (also called apron flashing), valley flashing, and gutter apron flashing.

What is gable trim?

Gable trim is used to finish off the edge of your roof. It’s installed on the two high sides of the roof, not the low side of the roof that follows the pitch. There is also a kick-out on the bottom of the gable trim that will help direct water away from your wall.

What is apron flashing on a roof?

Apron Flashings are located at the low end of a curb or penetration. This type of flashing makes a water tight junction, basically forming a right angle which starts up behind the cladding, comes down and out and over the roof. In the case of shingles, it comes out in between shingles.

How do I install eave flashing?

Quote from the video:
Quote from Youtube video: Using my snips the first. Thing I'm going to do is cut up to the line and then I'm going to remove the. Part. It sits on top of the roof. I'm going to make a slight angle cut to remove this hem.

How do you fill gaps between walls and roofs?

Two popular sealants for this kind of project are caulk and expanding spray foam. Both will help close the gap between your roof and wall and insulate your home.

How do you install flashing edges on a roof?

Quote from the video:
Quote from Youtube video: And they gently put it against the fascia. Board and then they nail it then they take their shingles. And they put them on top and they make it flush with the edge.

Should flashing go over or under shingles?

Flashing should overlap the roof-covering material, but on asphalt shingle roofs, for aesthetic reasons, the part of the headwall flashing that extends down over asphalt shingles is often covered with a course of shingle tabs.

How far should shingles overhang drip edge?

¼ to ¾-inch

Asphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch. Check local building code for drip edge requirements prior to the start of your roofing project.

Does tar paper go over or under drip edge?

Installing roof drip edge flashing properly



The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge. This lets any water that gets on the roof run down the underlayment and over the drip edge.

Should there be a gap between roof and wall?

Your home must be properly sealed to prevent moisture from seeping inside and causing damage. Openings between your exterior wall and your roof can allow water to run into your home. Air leaks can also allow outdoor air to enter your home, causing your heating and cooling system to work harder.

Should there be a gap between gutter and fascia?

Gap is not needed. Remove the wood blocks and install same size 4 inch gutter, as gap is too small to make difference.

What is a builders gap roof?

What is Builder’s Gap? This is a gap between the fascia board (where the gutter is hung) and roof decking. This gap is caused when roof decking is stopped too short and is not flush with the fascia. The gap is meant to help with airflow throughout the attic.

Should fascia board be caulked?

Wooden window frames usually need more caulk, both where the glass and wood meet, and around the trim, siding and sill. Fascia Boards and Soffits – applying caulk behind fascia and soffit boards is a surefire way to increase their longevity, leading to less maintenance and expense.

Where should you not caulk outside?

Certain places on the exterior of the home should not be caulked, since they’ll cut off openings needed for air circulation or drainage. Elegant Painting says these spaces include the gap created when trim boards sit atop the siding, any wood to metal joints, weep holes on windows, and garage door panels.

How do you fill the gaps on a fascia board?

Start at the end of a fascia board and caulk the corner edge where two boards meet. Smooth the caulk bead with your finger and begin caulking the joint between the fascia board and the soffit (also known as the eave). Slowly move down the joint to apply a steady bead of caulk into the gap, instructs Ron Hazelton.