Valley Roof Definition

A roof having one or more valleys.

Valley roof definition.

See valley 2 above. A valley roof is formed when two portions of the roof meet at an inside angle. The cape cod style of architecture is one type of home that is traditionally free of valleys if there are no dormer windows on the roof. Valley roof synonyms valley roof pronunciation valley roof translation english dictionary definition of valley roof.

Dead valleys occur when two slopes come together in a way that does not allow proper natural drainage or very slow drainage. When two roof surfaces meet a valley is created. Roof valley synonyms roof valley pronunciation roof valley translation english dictionary definition of roof valley. Woven closed cut and open.

In this video we ll flash the valley. These valleys are common to many roofs. Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters. This is known as a dead valley.

Typically where a valley is located on a roof roof valley replacements are fairly common especially on tiled roofs. An elongated lowland between ranges of mountains hills or other uplands often having a river or stream running along the bottom. The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off. Essentially there are three main ways to shingle a roof valley.

First clean the debris out of the valley including sawdust nails and whatever else is in there. You may notice although it can sometimes be hard to see some areas where the roof drains onto lower pitched or reverse pitched areas that don t naturally drain. Water collects in a valley to flow off the roof. Your choice of valley installation method is critical because when improperly installed valleys are risks for serious leaks.

This is because the old valleys used to be galvanised and they start corroding with time especially if they trap leaves. Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet. In a previous video we covered how to flash roof edges before shingling. Definition of a roof valley the greatest portion of a roof is a flat expanse that is covered with a non permeable material such as asphalt shingles metal tiles or slate tiles to protect the roof structure and the interior of the building.