Tile Roof Valleys

A poorly designed valley can quickly lead to significant damage.

Tile roof valleys.

Often aging material improper fastening lack of maintenance and ice dams make valleys vulnerable. Shedding water off the roof is absolutely crucial at valleys where two roof slopes are directing all the water they collect to the same point. Roof valleys are the points at which 2 planes on your roof are joined which channel the water to flow off your roof. Closed woven and open.

Professional contractors know that one of the most vulnerable areas of any roof is the valley where the roof s planes intersect. Valleys come in three main styles. We ve arranged our superb selection into grp valley troughs for tiled roofs and roof valley solutions for slate roofs. To make matters worse the lead has been cut by what i presume was the disc cutter as tiles were cut in situ.

The open valley on the new york clay tile roof shown above has been patched more than once. An open valley has a gap usually about 6 inches between the tile or shingles at the valley area. A closed valley is where the tiles or shingles are butted up against each other in the center of the valley. Roofing material manufactures or roofing associations may have recommended installation guidelines for their products or for various roofing materials.

Lead lined valleys the main elements that keep the water out are the upstands and welts at each side of the valley. Open valley details on tile roofs. The tile battens have been extended over the lead to within 10mm of the outer edge of the pointing. If you can t find it here give our friendly customer services team a call on 01752 692760 and they ll be glad to help you.

A rusty valley on a tile roof which needs to be replaced typically where a valley is located on a roof. Open clay tile roof valleys on clay or other tile roofs permit free drainage and are recommended in areas where leaves pine needles and other debris are likely to fall on the roof. 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. Roof valleys are the vee shaped metal channels that run up and down the folds of a roof.

A common failure point on steep slope roof systems is at valleys. 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. There are two main styles. These pictures show where roof valleys are located on a roof.

A common cause of valley troubles with tile roofing occurs when flat tiles are used in areas where closed valleys are preferred and a simple installation requirement is missed. If not properly protected and sealed a valley can channel water directly into the home with potentially disastrous consequences.