Gutters Glossary: Terms Can Be Confusing

In the course of your conversation with a contractor, you may hear certain terms used in connection with gutter systems and your home's roof. Following is an alphabetical glossary of terms you may encounter and what they mean:

Downspout: A pipe that carries rainwater from a roof gutter down to a drain or to the ground.

Drainage: A system of drainpipes and gutters that carry water away from a house's foundation.

Drip-edge Extension: Prevents water from washing over the fascia eventually causing it to rot. If your fascia boards have black streaks on them,  that usually means that the drip-edge is failing and the contractor may suggest adding an extension for an additional charge.

Drop Outlet: Piece of gutter that provides the hole through which water travels from the gutter to the drainpipes or storage tanks.

Eaves: The lower edge of a sloped roof.

Eaves Flashing: An extra layer of roofing applied at the eaves to prevent water damage in case of back-up.

Eaves Gutter: Any gutter attached to an eave overhang.

Fascia Angle: If there is any fascia board that is angled to follow the roof rafters, there is usually an extra charge. 

Fascia Board: The flat horizontal surface right below the edge of a roof.

Fascia Replacement: New gutters need a solid fascia surface upon which to be mounted. If rotted boards need to be replaced, there is a charge per linear feet. Fascia boards narrower than 3" in width must be built out to provide proper support for hanging your new gutters and require additional charge per linear feet.

Gable: The triangular end of a home between the eaves and the ridgeline of the roof.

Gauge: Refers to the thickness of a gutter. The gauges range from .019 to .032 inches. The optimal gauge for gutter is .032 inches.

Gutter: A trough that catches and channels water from the eaves to the downspouts.

Hanger: A flat strap of material that is applied under the roofing material in order to hold the gutter in place.

Leader: Any pipe that carries water from the gutters to the ground, sewer or to a well.

Linear feet (often called Lineal feet): A linear foot is the same as regular feet. It is a one-foot length of any long, narrow object. No conversion is necessary. If something is 6 linear feet tall, it is 6 feet tall. That just means when measuring linear feet, contractors are not taking the width into account. If you bought 100 linear feet of gutter, laying them down end to end would stretch for 100 feet, it wouldn't matter how wide the gutters were.

Mitres (Corners): When a company fabricates the corners onsite using the same material as the rest of the house, the advantage is that there is one seam instead of three and it's a cleaner look overall.

Run Height: The height (in stories) at which each gutter run will be located (1st story, 2nd story etc.). This is used to determine the length of downspout needed.

Soaker: Any small stretch of gutter applied to the upper side of a chimney.

Soffit: The underside space between the end of the roof and the side of a home, often vented to provide circulation to the attic.

Sole: The bottom, internal surface of a run of gutter.

Spike and Ferrule: A metal cylinder or tube placed inside the gutter to prevent it from bending.

Splashblock: Any concrete or plastic surface placed at the bottom of a downspout to direct water away from the house and foundation.

Square: Unit of measure in roofing that refers to 100 square feet.

Strap: Hangars used to attach the downspout to the wall of a house.





Downspouts - Rain Gutter

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