How To Do Pointing On Roof Tiles

Recent changes to the british standard for slating and tiling bs 5534 tell us that we can no longer rely on mortar properly mixed or otherwise to secure ridge or hip tiles to our roof.

How to do pointing on roof tiles.

Following this bedding mortar is mixed which is made up of 3 parts roofers loam to 1 part cement. Once inside the moisture continues to do damage so repointing is a necessary part of home maintenance. 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. Roof leaks and excess moisture are two common signs that the pointing is failing.

The tiles should project past the edge of the gable end and should have an under cloak so that they can be pointed with mortar to seal the ends. As the first line of defence against water ridge tiles must be cemented into place and pointing applied to the exposed edges of the tiles. Granules in the gutter. I had it repointed again in october 2014 and it has fallen out again from under the roof tiles.

I had my roof retiled about 6 years ago. The pointing is responsible for holding roof tiles in place. Here are my 6 steps to remove and correctly replace the cement under a ridge tile if you are looking to replace the cement on a gable apex then. Prepare new cement 3 parts sand to 1 part cement.

As the cement mortar or flexible compound breaks down or cracks water can reach the inside of the roof. Replace any damaged tiles ridges. Lift all ridge tiles. What is the process involved in re bedding or re pointing.

I suspect it has never been done properly each of the 3 times it has been pointed. This bedding mix is then applied by trowel to the roof tiles to be covered by the ridge capping. If the pointing is worn or damaged the roof tiles may. Ridge tiles also called capping tiles are the most important tiles on the roof.

Re bedding requires removal of the old existing bedding and pointing material. Also the ends of the battens should be slightly higher at the gable end to pitch the water back onto the roof tiles so that rainwater does not drip or run down the wall. We do not need to worry about those already installed but as we repair and replace tiles and fittings on the roof we need to ensure that they are fitted in.