How To Do Roof Tile Pointing

This bedding mix is then applied by trowel to the roof tiles to be covered by the ridge capping.

How to do roof tile pointing.

The roofers of old would use a mixture of sand aggregate and cement that would stand the test of time. Re bedding requires removal of the old existing bedding and pointing material. In the past the norm was to simply use a sand cement based mortar to adhere ridge caps to roof tiles. Replace any damaged tiles ridges.

What is the process involved in re bedding or re pointing. As the cement mortar or flexible compound breaks down or cracks water can reach the inside of the roof. Remove all cement and dust off tiles. The pointing is responsible for holding roof tiles in place.

Position the first roll of underlayment at one side of the roof perpendicular to the lower edge the eave of the roof. Granules in the gutter. Prepare new cement 3 parts sand to 1 part cement. Flexible pointing was introduced to enhance the longevity of this mortar.

Lift all ridge tiles. Hi mark without looking at the type of ridge tile it is not possible to be 100 sure depends what type of ridge tiles you have on your roof angled capped ridge tiles do not require pointing if fitted correcty and are indeed secured from below if it is just half round then yes thay do need pointing. A ridge rack is used to keep the ridges straight and the bedding applied in the right spot for the ridge caps to sit on. As you roll out the underlay keep the bottom edge of the material aligned with the edge of the eave but above any metal or synthetic edging that may cover the borders of the eave.

Following this bedding mortar is mixed which is made up of 3 parts roofers loam to 1 part cement. If the pointing is worn or damaged the roof tiles may. Traditionally repointing was done with a sand and cement mixture but today flexible repointing materials are used that minimise the problems of shrinkage and cracking that commonly occur with cement.