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.
Tile roof valleys.
If not properly protected and sealed a valley can channel water directly into the home with potentially disastrous consequences.
Roof valleys are the points at which 2 planes on your roof are joined which channel the water to flow off your roof.
A common failure point on steep slope roof systems is at valleys.
A closed valley is where the tiles or shingles are butted up against each other in the center of the valley.
The tile battens have been extended over the lead to within 10mm of the outer edge of the pointing.
An open valley has a gap usually about 6 inches between the tile or shingles at the valley area.
There are two main styles.
The open valley on the new york clay tile roof shown above has been patched more than once.
Looking for something specific.
Roofing material manufactures or roofing associations may have recommended installation guidelines for their products or for various roofing materials.
Roof valleys are the vee shaped metal channels that run up and down the folds of a roof.
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.
Closed valleys use the primary roofing material usually shingle or tile to cover the valley and give an appearance of continuity across the roof.
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.
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.
To make matters worse the lead has been cut by what i presume was the disc cutter as tiles were cut in situ.
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.
We ve arranged our superb selection into grp valley troughs for tiled roofs and roof valley solutions for slate roofs.
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.
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.
All three styles are good options and come down to personal preference when deciding which is better.
A poorly designed valley can quickly lead to significant damage.
A rusty valley on a tile roof which needs to be replaced typically where a valley is located on a roof.
Open valley details on tile roofs.