How To Seal A Roof Valley

Roof one side of the valley running the shingles across it.

How to seal a roof valley.

When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof. Though roof valleys are com mon leak sites on shingle roofs it s typically fairly easy to fix these problems with a little know how. Check the entire roof valley carefully to locate the source of these problems. This method of lead valley repair is proven to not only be fast and safe wit.

This recommendation includes iko s premium shingles. In other cases water can become trapped under shingles which have been overlaid to create the valley trough. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Let s take a look at valley seal and how it can help keep your roof in top condition over the long term.

This video shows the traditional and best way to repair a lead valley on a roof. In order to lay the flashing the shingles on the roof will have to be removed. Valley seal eliminates the need for expensive cement bedding. To seal make sure there is no debris in the valley.

Best practices for sealing the metal roof valley vary based on the slope of the roof. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Roof valleys are the v shaped metal channels that sit between the folds of the roof where two sloped sections meet.

How to seal metal roof valley. The distance between the shingles should widen from the ridge to the eave at 1 8 inch per foot of valley. Roof valleys are channels designed to drain runoff water and like any other part of your roof they can degrade over time with exposure to the elements. Iko recommends that you install architectural shingles with the open valley method for the best roof performance.

Once the roof valley has begun to leak you will need to cover the valley with flashing in order to prevent a repeat of the problem. Lift each shingle and use roofing cement to coat the area that lies on the valley. Stop nailing 6 inches from the center. Valleys channel water away and.

A roof valley is very prone to leaks especially if you have an older roof. Check that the roofing material is cut in a straight smooth line on each side. The three methods to shingle a roof valley. The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters.