Amplitude is the maximum displacement-I.e. the distance from the peak of the wave to its middle (generally zero) Frequency is the number of oscillations (complete wavelengt â¦ hs) per second.
Roof leaks can be hard to find, since they often run down the underside of sheathing or rafters to show up far from their actual source. The best time to try and find a leak is when itâs raining outside, or you can also mimic rain conditions by spraying water on the roof.Go in the attic and look for damp spots or water stains, trace them back to their highest point, then examine that part of the roof for any potential problems.he best time to try and find a leak is when itâs raining outside, or you can also mimic rain conditions by spraying water on the roof. Go in the attic and look for damp spots or water stains, trace them back to their highest point, then examine that part of the roof for any potential problems.
Flat roof reality check: leaks are an inevitable outcome for 99% of flat roofs in service today. If you have a flat roof, chances are that it is already leaking or will begin to leak soon, even if your roof is fairly new and was installed within the last 5-10 years.hen your roof starts leaking, repair is the first option that comes to mind. In this situation, you begin to think about the costs of repair, and ways to minimize them. Depending on the severity of the leak, this cost may be just a few hundred dollars, or a few thousand dollars.