What are the different types of roof flashing?

Roof Flashing Types

Continuous Flashing. This is also known as “apron flashing” because it acts in a similar manner to an apron.
Base Flashing.
Counter Flashing.
Step Flashing.
Skylight Flashing.
Valley Flashing.
Drip Edges.
Kickout Flashing.

Should roof flashing be exposed?

Step flashing should always be used where the roof deck meets a sidewall. The flashing should be partially exposed along the wall. Since you can see step flashing, some homeowners choose a more expensive flashing material like copper to achieve a certain aesthetic.

What is drip edge flashing?

Drip edge is metal flashing installed at the edges of the roof to keep water away from your fascia and from getting underneath your roofing components. If your roof doesn’t have drip edge, water gets behind your gutters and rots out both your fascia board and roof decking.

Is a drip edge necessary on a roof?

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 do you seal roof flashing?

Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing. Use special masonry caulk to seal the joints between the flashing and the chimney. Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound, as shown at right.

Does flashing go under or over 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. Wind-driven rain can enter at these gaps, causing roof leaks.

Should roof flashing be painted?

Drip Edge Roof flashing MUST be painted to match the trim color. If your trim is either of these colors that is fine. If your trim is white and the flashing is brown you MUST paint the flashing white otherwise the fascia will look too narrow to support the roof.

How much does it cost to flash a roof?

For professional flashing repairs, expect to pay between $15 and $25 per linear foot. Having flashing replaced around a chimney then, would cost you between $300 and $600.

Does drip edge go around entire roof?

Drip edge is installed around the whole perimeter of the roof. It is used to hold the underlayments down and create a watertight seal around the edge of the roof. Only the face of the metal is seen and is usually just white one to one and half inch stripe located right under the shingles and above the fascia.

Should gutters go behind drip edge?

It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof. If gutters are installed below the drip edge, water can drip behind the gutter and cause damage to the wood supporting the gutter system.