These leaks are usually caused by local damage, such as broken or missing tiles and roof panels. For flat roofs, leakage may also occur in areas where bubbles or cracks appear. When repairing this kind of damage, the most difficult thing is to find the location of the damage. In this article, you will learn how to find loopholes in various types of roofs, as well as practical maintenance skills, and get some suggestions for maintaining gutters and ventilation pipes. Working on the roof is a very dangerous thing, so please be sure to pay attention to those preventive tips, which may prevent you from being seriously injured. Let's take a look at how to repair the leakage of tile roof first. Tiled roofs are usually easy to repair. You can find damaged, twisted or missing tiles in the marked leakage position. At the joint of every two tiles, around every chimney or vent, check whether there are cracks in the waterproof board or caulking material, or whether there are cracks in the applied roof adhesive. If you can't see any broken tiles or flooding in the leaking place, you must hire a professional roof repairman. The problem may be that the flooded area is not enough, or the tiles are just rotten. If there is a problem with the tile, the maintenance work is quite simple. Put the asphalt roofing glue into the caulking gun barrel, spray it on the warped tile and fix it again. When the weather is warm, you can easily straighten the upturned tiles. But if the weather is cold, the tiles will become brittle. You must soften them first and then flatten them. Please use propane torch with flame burner nozzle to soften the fragile tiles carefully, spray the flame on the warped edge of the tiles carefully, raise the temperature to such an extent that the tiles soften but do not catch fire, and then flatten the edges of the tiles. Tools needed The following are some tools needed when replacing tiles: crowbar scraper to replace tiles Multifunctional knife 6d Galvanized corrugated hammer asphalt roofing glue trowel to re-fix tiles, please apply a large amount of roofing glue on the bottom, generally just apply a large piece on each corner, and then press the tiles in place. If the tiles are cracked, rotted or lost, they should be replaced with new ones. If the tile can be easily removed from the roof, it is rotten and should be replaced. If a large tile is found to be rotten, it may be necessary to replace the whole roof. If so, consider hiring a professional roof repairman. Otherwise, please replace the damaged tiles with the remaining tiles installed on the roof last time. If you can't find a matching tile, you can also use different tiles. In case of emergency, you can cut a tile-sized patch with aluminum or copper to replace the damaged tile: Step 1: To remove the damaged tile, first lift the edge of the surrounding tile, then carefully remove the nail with a crowbar, slide it and take out the old tile. If there is loose or fragile roof adhesive under the tile, scrape it off. If the tiles are blown off by the storm, please remove the nails that remain on the roof and protrude outward. Step 2: In order to slide the new tile to the proper position more easily, please use a sharp multifunctional knife to round the corner on the back of the tile. 2006 publications international, Ltd. Rounded the corners of the new tile, and then slid the tile up into the gap. Lift the corners of other tiles stacked on the new tile, and nail corrugated nails on each corner of the new tile. Step 3: Slide the new tile into the gap, align the front end with other tiles in the same row, and press the rear end under the upper row of tiles. Step 4: Lift other tile corners stacked on the new tile, and nail 6d galvanized roof nails on the two corners at the top of the new tile for fixing. Cover the nail cap with roof glue, and then smooth the edges of other tiles stacked above the new tiles. If you want to replace a row of tiles, just round the corner where the back of the tile contacts the upper row of tiles. Roof tiles are tent-like and arranged along the roof. They can be replaced in the same way. Stack them in a row along the roof and cover the sides with tiles. Don't try to use flat tiles, be sure to use new ridge tiles. Before installing the new roof tile in the proper position, please coat the back of each tile with roofing glue, fix each corner of the tile with corrugated nails, and then cover the nail cap with roofing glue. 2006 Publications International, Ltd. When repairing the highest part of the roof, please use roof tiles and stack them in a row along the roof to cover the tiles on both sides. Don't try to use ordinary tiles on the roof. If the damaged tiles have been replaced, or no tiles are damaged, please check the flashing around the chimney and vent, and the roof adhesive applied at the joint of the two tiles. If the gap between the metal flashing around the chimney or skylight is not completely filled, please fill it with the roof glue sprayed by the caulking gun. Seal the joint with the roof adhesive, then look along the joint and apply the roof adhesive to the area that looks worn or cracked with a putty knife. Apply enough adhesive to completely cover the problem area. If there are exposed nail caps on the flashing, please cover them with roof adhesive. There are all kinds of leakage problems in flat roof and roof panel roof, and the solutions are not the same. Please read the next section for practical skills to repair this kind of roof leakage. Safety tips for roof maintenance It may be dangerous to work on the roof. Before repairing the roof, please keep in mind the following safety precautions: maintenance work should be carried out on sunny days when the roof is completely dry. The wet roof is slippery and dangerous. Any roof maintenance work must take adequate safety measures and use safety ropes. On a steep roof, please use a ladder to provide reliable support for the ladder. Rubber-soled shoes can provide maximum friction when you work on the roof. ? 0? 2