TILED ROOF INSTALL
When the roofer arrives, his first step is to install the underlayment, which is laid directly on top of the plywood and is usually nailed in place. If there are vents or pipes in the roof, the plumber will have cut a hole in the plywood decking and installed a pipe through the hole. This is not specifically a roof component but part of the framing done before the roofer arrives. The deck of the on which the roof is built is usually constructed of plywood.
How Pipe Flashing is Installed on Tile Roofs Other Tucson roofing contractors might name them the other way, looking at it from the rain’s perspective – the outer flashing is hit by the rain first and it the first line of defense so it’s called the primary flashing, while the lower flashing is the second line of defense. The industry overall seems to contradict itself on the individual names for each but we choose to call the one installed first (the lower one) the primary flashing (also called a pipe jack) and the secondary flashing is the one installed second (on top). Actually, there are two flashings used for each pipe – the primary flashing and the secondary flashing. There are two main components to a pipe flashing. Leak repairs to tile roofs cannot be repaired by sealing anything on top it must be sealed below the tiles.
There is no such thing as a tile roof leak where the repair can be done without first deconstructing the area of tiles and flashing. In either case, the roof must be opened up, the problem resolved, and then put back together. This water can simply overwhelm the underlayment with more flow than it can handle, or it can slowly deteriorate the material and render it useless. Others slowly damage the underlayment by allowing more water onto the underlayment than it is designed to carry. Some of these tile roof installation errors and omissions leak right off the bat and are discovered during the construction of the house or soon afterward. If the visible flashing is in place but underlying components are done wrong or left out entirely, you won’t be able to tell just by looking at the roof. On top of that, they are nearly impossible to see after the fact. This, unfortunately, leaves the flashings and transitions, which are critical but time-consuming to do correctly. The tiles themselves are readily visible so tile installation must be done well. The fir strip battens are quick and easy so that also gets done well.
The field of the roof is covered with tile underlayment which is quick and easy so that usually is done well. This means that the guy who is actually doing the installation has an incentive to install the roof quickly as he can – less installation time means more money per job. The unfortunate truth is roofing contractors who work for developers almost always pay the roof installers by the square. Generally speaking, a tile roof leak on a roof that’s under 35 or so years old and has not suffered a weather event is going to be a direct or indirect result of the original installation.
TILED ROOF HOW TO
Do you have a roof leak on your tile roof? Or maybe your tile roof has leaked in the past? If so, you probably want answers to your questions about why tile roofs leak, how to fix a leaking tile roof, and how best to prevent a roof leak in the future.
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