What are the different types of 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.

Is flashing necessary for gutters?

Why Flashing is So Important. Flashing creates a seal between your gutters and your roof line, which allows water to flow off your roof and into the gutter. Without it, some water would also flow behind the gutter, which would damage the building surfaces beneath the roof.

What is the width of roof flashing?

Typically, 10- by 8-inch (253 mm x 203 mm) flashing is chosen. Those 8 inches are more than enough to cover the exposure of typical shingles.

How far below the drip edge should the gutter be?

The gutter should be installed as close to the shingles as possible; no more than 2 or 3 inches. If the gutter distance is more than 3 inches, the rain will run off the roof and won’t drain properly.

Should drip edge extend into gutter?

It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof. A drip edge refers to a component that hangs over the roof and has an outward projecting lower edge.

What is the most common material used for roof flashing?

These common types of metals are aluminum, steel, or copper. The most common type of metal used for roof flashing today is steel. It gives you a clean look that fits most budgets.

What are two types of flashing?

There are two general types of flashing used in masonry construction. The first is external flashing (exposed flashing) and the second is internal flashing (concealed flashing). External or exposed flashings prevent moisture from penetrating into masonry walls where the wall intersects the roof.

Does flashing go behind gutters?

Wrong Gutter Placement Incorrect placement can also cause erosion of the soil around your house, infestations of insects in the gutters, and damage to the siding or foundation. And all of these issues are often expensive to fix. It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof.

How thick should flashing be?

0.019 inch
Where flashing is of metal, the metal shall be corrosion resistant with a thickness of not less than 0.019 inch (0.483 mm) (No. 26 galvanized steel).” An identical statement is made in the International Residential Code,® 2015 Edition (IRC 2015), Section R903. 2-Flashing.

How thick is typical flashing?

Steel flashing is typically 26 or 28 gauge, or about 1/64 in. thick.

Should there be a gap between drip edge and fascia?

The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. The shingles should also overhang the drip edge 3⁄8 to 1/2 an inch.