Related Words

Rafter, Valley: A rafter that forms the intersection of an internal roof angle. The valley rafter is normally made of double 2-inch-thick members.

Valley: The 'V' shaped area of a roof where two sloping roofs meet. Water drains off the roof at the valleys.

V-Shaped Valley: A valley with a narrow bottom and a cross section shaped like the letter 'V'. Valleys of this shape are almost always cut by stream erosion.

Valley Breeze: An anabatic wind, it is formed during the day by the heating of the valley floor. As the ground becomes warmer than the surrounding atmosphere, the lower levels of air heat and rise, flowing . . . View Full Definition

Valley Glacier: A glacier that is smaller than a continental glacier or an icecap, and which flows mainly along well-defined valleys, many with tributaries.

Valley Flashing: Sheet metal that lays in the 'V' area of a roof valley.

U-Shaped Valley: A deep valley with a flat floor and very steep walls. Shaped in cross-section like the letter 'U'. Valleys with this geometry are frequently cut by a glacier.

Roof Valley: The 'V' created where two sloping roofs meet.

Glacial Valley: A valley occupied or formerly occupied by a glacier, typically with a U-shaped profile.

Hanging Valley: A tributary to a U-shaped glacial valley which, instead of entering the valley at the same level as the main stream, enters at a higher elevation, frequently as a waterfall. These different . . . View Full Definition