It's actually dirt stuck to the adhesive edge of the tile. Suppose the regular wooden roof has a hole or gap somewhere, but I can't find it because tiles are blocking it. Clear protective roof sealer to provide lasting protection to all types of roof tiles. This will help to slow down the re-growth of moss, algae and lichen on roof tiles which tend to thrive in a damp, porous, environment. The part of the car port ceiling where it drips - is below clay tiled roof of the house, so water must somehow penetrate beneath the tiles. Active 1 year, 11 months ago. Is there supposed to be a gap between the wall and the roof? Many different types of roofing material come in tile formats. Cement or sealant to fill gaps between leaky roof tiles? If the subfloor was properly prepped, (sealed properly) and the correct adhesive was used for the tiles, you won't have "casual" water damage. I live in a two bed bungalow. Now, a lot of standing water, yes. Viewed 26k times 18. Tips . I hope so, cause if the gaps were between tiles, then you woul have quite a wet house if it rained. During recent storms we had a leak in a bedroom. I am in the process of resealing the gap between the base of the shower tray and the tiles immediately above. The roof seems in excellent condition but the mortar is a bit worn round a few tiles. Construction workers often leave huge gaps at roof lines (peaks & valleys), edges, and wherever soffits touch the roof. A roof sealant is kind of like a mix between varnish and paint. Because tiles are laid on a pitched roof (a sloped roof) water runs off the tile and onto the next tile below. Our roof sealer will protect porous clay, slate and concrete roof tiles by making them water resistant. I have removed the moss and the gap between each tile is approximately 1 inch. The water continues like this until it enters the gutter. A special ridge board above the apex of the trusses which takes the fixings through the ridge tiles. Clay tiles, natural stone tiles and cement tiles are all examples. We bought a new house last year. However, the tiles have been cut quite short leaving a substantial gap to fill. These tiles are stuck fast. At the rear of the property some of the cement from the tiles is missing, maybe this is the reason why I have a leak. You can't avoid that. It works by sealing up holes and cracks which might be forming on your roof, air vents, and air conditioning units. Gaps are needed to allow the system to function; sealing up, and locking together, roofing elements will result in cracking and breakage of the slates or tiles. I have scaffolded that part of the house and traced the leak to a couple of ridge tiles. Our house is 100 years old and has a pitched tiled roof. End sealing pieces which fit between the ends of adjacent ridge tiles to provide a seal. Going up to the loft we noticed there is a considerable gap (5-6 cm) between the roof and the wall, like this: Is it supposed to be like that? Or suppose the workers cut holes in the roof for ventilation, but didn't screen them, as is often the case. I should have mentioned its a gap between the tiles and gutter. They have a strong adherence to your particular surface … Ask Question Asked 4 years ago. (Had some spare, so thought might as well) I personally use chicken wire and heat shield but thats probably a bit of overkill. 3. This special ridge board has to be positioned carefully so that there will be a gap between it and the ridge tiles when they are fixed. What I plan to do is to fill all the gaps/joints between the tiles I can reach standing on the car port roof with a proper sealant and I'm considering three options available at home: - mortar About an inch in a bucket all told. 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