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.
Roof tile pointing.
Repointing is the process of repairing damaged mortar in brick work masonry or roof tiling.
Broken cracked or otherwise damaged mortar is the primary entry point for moisture into the home.
When the tiles slide off the roof some of the debris may end up in the gutters.
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Flexible pointing or flexi point is a water based polymer compound that adheres to roofing tiles and ridge caps on tile roofs in australia.
It seals the ridge cap to the standard tile or gable end.
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Dunlop tile pointing a mechanical adhesive for hip and ridge roof tiles surpassing relevant australian standards.
If you notice any granules or pieces of roof tile in the gutter you may need to inspect the rest of the roof for damage.
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.
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The original cement has been pointed with a new thin layer that is now falling off.
Technically you can use the roof tile mortar to repoint the ridge area.
It s main purpose is to keep moisture out thereby protecting the roofing system and underlying bedding.
Dunlop tile pointing achieves a c4 classification for approved use in cyclonic regions independently tested.
If the pointing is worn or damaged the roof tiles may loosen.
Once inside the moisture continues to do damage so repointing is a necessary part of home maintenance.
Check out our range of roof tile pointing products at your local bunnings warehouse.
You may even notice that some of the tiles are missing.
Jad our qualified roofing specialist teaches you how to point your tiles using monier s flexible pointing for ridge tiles in this instructional video.
Bodged pointing on ridge tiles looking at the photo above you can clearly see that are two layers of cement.
Here are some more photos of the same roof.