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.
You know the roof is bad if shingles are missing or obviously damaged, or when water stains the ceiling or walls. The goal is to find the leak before the entire roof goes bad. Identifying the true location of roof leaks in the attic.If you have an attic, the easiest way to spot the leak is to up there on a rainy day.Water will reflect light, so bring a flashlight along.Once you locate the source of the water, mark the area.dentifying the true location of roof leaks in the attic. If you have an attic, the easiest way to spot the leak is to up there on a rainy day. Water will reflect light, so bring a flashlight along. Once you locate the source of the water, mark the area.
But yet, when it rains and the wind blows, we wonder if this is the day when our roof will fail. All too often homeowners blindly hope everything is okay and simply ignore their roof. But then when a roof leak occurs they panic. Of course, panic is never good! Small leaks take many years to become apparent and damage is usually not significantly increased if you need to wait to have a professional check to cause of damage. Some roofers offer free estimates and only focus on roof replacement will tell you âyes you need a new roofâ without hesitation. But that is not always the case. After all, a simple repair may keep you, your homeâs contents and the people you love dry for many more years to come. The best way to know what your roofing needs are is to have it professionally checked weather a problem is visible or not.