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.
Corrugated metal roofs are sometimes vulnerable to damage from strong winds and moisture. The individual roofing plates are attached to metal or wood trusses, and when the screws or nails rust, leaks can be caused. In order to fix leaks in a corrugated metal roof, you need to first find the source of the leak.Fasteners and roof panel edges are often the culprits.he individual roofing plates are attached to metal or wood trusses, and when the screws or nails rust, leaks can be caused. In order to fix leaks in a corrugated metal roof, you need to first find the source of the leak.