Mortar Roof Valley

Never try and work on a roof from a ladder as a.

Mortar roof valley.

To do valley on both sides of the pitch 220 00. This video shows how to repoint a lead roof valley. Roof cement is primarily used to hold roof tiles hip tiles and ridge tiles securely in place it also keeps out rainwater. It is an area where water is directed towards rather than away from therefore correct detailing and construction is essential.

Technically you can use the roof tile mortar to repoint the ridge area. The correct mix ratio is 3 parts sand to 1 part cement this is much stronger than bricklayers use 5 1 as the cement on the roof must withstand more driving rain than a typic. 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. A scaffold tower has been used for access in this video.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. He didn t go on the roof just up the ladder. Hi there are lots of reasons for the mortar to fall out different pitch slopes tiles etc the way i wall the valleys up with new mortar is using the right mixture of sand and cement 3 sand 1 cement with added pva if you bed tiles in wet mortar and then leave to dry for at least 24 hours you can then add second coat of mortar making sure you coat over first coat of mortar with ova first i guarantee this will last for years also i would like to add use a very course sharp sand in your mix along. 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.

First clean the debris out of the valley including sawdust nails and whatever else is in there. One of the areas of a pitched roof most prone to leakage if not constructed properly is the valley. 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. A common misconception is that the mortar bedding is there to prevent water access.