Mortar Roof Valley

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.

Mortar roof valley.

A common misconception is that the mortar bedding is there to prevent water access. This video shows how to repoint a lead roof valley. Never try and work on a roof from a ladder as a. He didn t go on the roof just up the ladder.

It is an area where water is directed towards rather than away from therefore correct detailing and construction is essential. Roof cement is primarily used to hold roof tiles hip tiles and ridge tiles securely in place it also keeps out rainwater. To do valley on both sides of the pitch 220 00. One of the areas of a pitched roof most prone to leakage if not constructed properly is the valley.

Second guy said the mortar holding the tiles in place along the valley needs replacing previous guy said mortar was fine as all the tiles are loose not fixed in place 780 to dig out replace mortar. Technically you can use the roof tile mortar to repoint the ridge area. A scaffold tower has been used for access in this video. First clean the debris out of the valley including sawdust nails and whatever else is in there.

With a clean valley you can lay down some peel and stick roofing membrane. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. Fold the top over the roof ridge and cut the bottom along the drip edge metal. However due the movement and flexing in the ridge this will be a maintenance issue that will have to be addressed from time to time.