![]() When your metal roof is properly designed and installed - as it will be by the metal roofing experts at Mountaintop Metal Roofing - it will accommodate expansion and contraction. The temperature changes cause the wood, metal and other materials in the house structure to expand and contract, resulting in ominous creaks. The most common reason for a house to make noises is temperature changes in the air, or what is known as thermal expansion and contraction. Creaking, groaning and popping sound may be made as the house settles over the years. It is not uncommon to hear noises in the walls, and attic of houses, especially old houses. When this happens it is common to hear slight popping/cracking sounds. When you hear your upstairs neighbors, the sound waves they create are traveling through their floorboards. The sound vibration, or sound wave, bounces off your walls, ceiling and floor, which causes the sound wave to bounce back to your ears as a magnified sound. Arcing electricity also is as hot as lightning and easily can start a fire. What does an electrical pop sound like?Įlectricity can travel like lightning through the air from exposed wire to another metal surface, and it produces the same crackling sound. Are your ceilings bowed? If you notice a bow in your ceiling along with visible signs of cracking, that is a sign of a large problem. ![]() If you notice wide, long horizontal cracks across your ceiling or multiple cracks, you should contact a professional immediately. How do you know if a ceiling crack is serious? This is why many people notice the things that go “pop” in the night. Often this expansion and contraction causes popping sounds in the wood or other materials. Why do I hear popping in my walls?Īs the temperature in your house goes up and down, the materials used to build your house expand and contract with the heat and cold. Extreme cold air reduces the moisture content in the building materials, causing them to shrink. Instead, it’s the friction between your home’s building materials as they contract and expand at different levels. That loud popping noise you’ve noticed your house or deck making isn’t a poltergeist or structural issue. Why does my house crack and pop at night? The wood contracts while the space gets cooler. The reason you hear it especially at night time is because the roof space cools down at night while the sun is down, so the creaking is the wood adjusting to the new air temperatures. Hopefully, you have an adequate attic and can solve or minimize the noises at little cost.Why does my ceiling make noises at night? Be warned, however, that this is an expensive way to go. If you have an inaccessible attic, I really do not know how to master the creaks short of removing the roofing and roof sheathing for a similar approach as noted above. Sometimes expanding hot air can make unnecessary creaks as framing members straighten or deflect. While there in the attic, the carpenter should check for adequate ventilation outlets so that hot air is not trapped within. A perceptive carpenter may detect loose nails or shrunken lumber subject to expansion or contraction as day-night temperatures and humidity fluctuate.įurther, the carpenter may need to add nails or reset them, shim, shore, add joists or rafters, rebrace, etc.Any or all of these methods might indeed pull it off and get rid of the unwanted noise. If your attic is of sufficient size to allow entrance for a carpenter, have a veteran mechanic scramble up yonder to see what he can see and do what he can do. So far a builder has been unable to eliminate the early-morning sounds since the attic is too small for a carpenter to climb into for repairs. Undoubtedly, the noises come from the expansion or contraction of the roofing or ceiling framing members.Ī California friend of mine has such a creaking overhead and it bugs him no end. Could they be the result of the expansion of the wood framing members? A reader Elizabethtown, Pa.Ī. Can you speculate as to the cause of random sounds (cracks and pops) which come from the attic of our 20-year-old ranch-style house? The creaks usually occur in the morning and sound like dropping acorns.
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