Banging Noise In Attic
Often you can remedy this by loosening the cover's screws, slightly adjusting the position of the cover, and retightening the screws. Does anyone know what we can do to fix the problem? It's pretty loud. Also common are complaints about property damage like chewed walls and siding, damaged wires and ruined insulation. Any ideas where it could be coming from and how to prevent? I live in 2 story, 20 yr old colonial. Your water heater’s heating element is at the bottom of the tank, right where the sediment has settled and mixed with water. Diagonal Bracing. The very first thing to do is stop worrying. Roof Popping Noise can be caused by the wind. Luckily, there are simple solutions for knocking pipes that do not require a plumber or expensive parts. You start your furnace up on a cold morning and… What is that? It sounds like a house-elf is trying to break out of your furnace. Why does my deck make loud banging noises in the winter? What cause house trusses to make noises in the winter when it is cold out side? Loud banging noise coming from house on very cold night. Sometimes, these creatures are just. Then a few days later I heard three knocks. Keep reading to discover 6 signs of squirrels in your roof or attic. Jan 14, 2015 Leaky ducts means you're paying to heat the attic or basement. 6 Unusual Central Heating Noises & What They Could Mean. and a banging/knocking noise. Except when it starts to make a weird noise, like a buzzing, banging, clanking or screaming. Most customers who have colonies of flying squirrels in their attics will complain of hearing a light thumping noise or a slight knocking noise in the attic in the middle of the night. Squirrel on a roof is making noises running around and rolling nuts. I assume this is due to colder weather in general, and the hot air from the furnace heating the duct work up. BBC Last night, Jackson County 911 dispatch received a handful of reports of an earth-shaking sound, but no one seems to know what caused the loud boom heard across a handful of counties. And, believe it or not, each one has had its share of peculiar occurrences. When it’s dark at night, many creatures rely instead on their hearing to find prey and detect danger. To block loud speech, a wall needs an STC rating of at least 40 to 50. http://alfalink. Adding insulation and ventilation in your attic, if there is a minimal amount currently, will improve the heat retention in the home and lower heating costs but may do little to help the sounds stop. As ducts age, the sealing fails and duct connections wiggle loose from the static pressure. Strange Toilet Sounds: What They Mean & How to Fix Them. Warning Signs Your Furnace Needs Repair. I hear noises coming from the ceiling, attic footsteps, stair footsteps, and other random places & once really loud in the garage, nobody is there. To know which is the problem, determine where the loud noise originates from. As the temperature continues to drop, these animals tend to make their way into our homes or businesses for warmth and shelter. What is that Mysterious Noise? I opened our crawlspace attic to find a pile of bat shit. Noises should be investigated quickly, nests and droppings become ideal breeding sites for insects, which may then. The noise you hear is the pipes rubbing on the wood framing or other rigid supports as they expand and contract. He grabbed his pistol hastily and aimed at where the chest of a human would’ve been. There seem to be no leaks, just the noise. What is this recurring deep, loud buzzing sound (and vibrations) in my house? It only happens in one spot, and many members of the family have heard/felt it. as mentioned by John Will it would help to know more info on the fan specifics. Troubleshooting a Furnace Duct: Banging Noises Another trick to reducing or stopping the banging noises is in adding insulation around the ductwork. It is not difficult to tell you have an animal in the home, but it can be difficult to identify what sort of animal it is. Why are My Pipes Making Loud, Banging Noises? January 14, 2015. You may need to call out an engineer to refit the pipes correctly and solve that annoying banging noise problem. If they’re unusual and persistent, have an HVAC professional check it out. Make your presence known. Then a few days later I heard three knocks. Guy living in my parents house eventually is hanged for it. Everyone once in a while, some of the pipes in our house make some noise, mainly only when you flush a the one toilet, or use the washer. If you don't want to continue digging for where the loose pipe is you might try an arrestor. Many things can cause noises in walls, and some of them are a cause for concern. The noise comes from 1st floor area in back of house. I had been hearing weird bumps in the upstairs area of my house, but about an hour ago today (10/3/11) I heard what sounded like something sliding in my attic. What's That Noise? Chances are, the main noises… Continue Reading Duct Noises: What They Are, Why They're Occurring and. Ducts will also make popping and banging noises. It's loud enough to wake us up on the 2nd floor. Call a pro if you're unsure how to perform either of these jobs. The wood is expanding when it warms up, as in the spring, and contracting when it cools off, as in winter. The cold expands and the wood fights the plastic difference. It is common to hear heavy walking and thumping. That's when people concentrate more on their own thinking and perceptions. Sound absorption is measured by a Noise Reduction Coefficient (NRC) rating or a Sound Absorption Average (SAA). We at Modern Pest Services know how uncomfortable this can be for most homeowners, and that is why we offer a free inspection from one of our Wildlife. Everything seems secure. It is first important to decipher what kind of noise your air conditioner is making. No water is running. We all believe that squirrels live somewhere off the ground, mainly in trees, but the reality is such that they never refuse from settling down in the attic. Next they notice filth and the smell of rat poop and rotting carcasses. Guy living in my parents house eventually is hanged for it. Scratching Sounds In The Attic Or Walls If you hear scratching or knocking sounds in your walls or attic, then this is a pretty good indication that it will be a wild animal in your home. we had squirrels. Banging or Thumping Pipes. I have an attic mounted unit that makes a noise like one of those car stereo systems you can hear before you see the car. Water hammering is caused by the quick shutoff of water supply lines. There seem to be no leaks, just the noise. Your water heater’s heating element is at the bottom of the tank, right where the sediment has settled and mixed with water. Most noises in our homes are due to loud music being played, rambunctious kids, annoying appliances, or excessive traffic noise outside. As long as you've been paying attention, nobody knows how your engine sounds better than you do, so if it starts to sound odd or even just a little different, there could be a problem. What you're hearing, however, is the effect of low temperatures on the building materials. Here are my top 5. Your gas furnace, which normally works fine, kicked on with a scary BANG or BOOM noise. Especially if they wanted to cover up a noise, like a junkie beating on the closet door demanding to be let out. The loud banging noise was apparently coming from one single truss in the attic, that when it expanded, was rubbing against another framing member, and when it expands enough, the pop can be heard. The flapper should have a thin piece (1/8") of foam stripping to sit on when closed. There was a thread ike this a few years back. 703 fiberglass boards are great for taming high-frequency noise in home theaters, recording rooms, and any other place the acoustics need to be improved. Popping Noise in Walls & Attic House Is Settling. In big numbers, you can hear the noises in the attic or walls of bats scuttling around. He grabbed his pistol hastily and aimed at where the chest of a human would’ve been. See below for more info on water hammer arrestors. Unexplained noises: Hearing sounds such as, footsteps, knocks, banging, rapping, dragging, scratching or as if something fell or was dropped. How to Fix Noisy Water Pipes. A panicked Sandra Tilden, of Framingham, began to search her attic for the source of a series of loud thuds that woke her up overnight. I used to keep rats and when they were scratching their little selves, up behind the ear with a hind leg, like a cat does, their heel would bang aginst the side of the tank and make a little vibrating noise for a few seconds, then they pause, eat whatever they have found under their claws/nails, then scratch again. Does anyone know what we can do to fix the problem? It's pretty loud. There is a loud banging/vibrating metal noise near our fireplace/chimney, from above either in the attic or roof. What's That Noise? Chances are, the main noises… Continue Reading Duct Noises: What They Are, Why They're Occurring and. Perhaps a rod or piston pin inside the air compressor came loose. How to tell if your water heater is going bad? If your hot water heater is going bad, you will need to replace the entire unit. These big creatures make their presence known and are particularly noisy. In most cases, the solution to the loud noise problem upstairs is to trap and remove the animals from the attic space. Raccoons will come out at night; squirrels most often during the day. The humming could be from loose parts, such as the blower motor fan, loose blades, or loose pipes that are rubbing together. Listed below are the possible pest problems accepted with hearing noises in the loft or walls. If you hear rolling noises in the attic, you most likely have a squirrel … Oct 15, 2018 · Squirrels are most active in the early mornings and late afternoons, so if you are hearing rustling, banging, and other strange noises in your attic or roof treatment during those times, you might have a family of squirrels sharing your home with you. What does a noisy air handler indicate? Share it! Get more answers from the people in your networks Noisy air handlers generally transmit their noise through the house and annoy occupants. I live in 2 story, 20 yr old colonial. The head is composed of a circular shape, with a pyramid like shape coming off of. I have a loud banging sound coming from my attic. I love the scheduler and that it goes back to the dock to charge way better than the roomba red!. When warmer, moister air returns in spring, the roof’s components go back to their normal size and tension. One service guy heard the banging noise while standing in my living room near the chimney / fireplace and did not know what it was. Before getting into the nuts and bolts of ductwork and noise levels, let's consider a few noise reduction basics. Often, these critters are just looking for shelter to hide out. squirrls can get through sheet rock. Like may homeowners, you may hear various kinds of noises every day in your home. Its random times only at night and not every day, could be 2 nights in a row then off 4 then one, off 3. Sometimes popping sounds begin when hot water is turned on somewhere in the house. Add insulation to the entire run of ductwork that is either in your basement or your attic. McGarry and Madsen Inspection. My dwelling has cathedral ceilings and we have a problem with thermal expansion/contraction causing a "banging" noise after sunrise and at sunset. Never heard these kinds of noises until moving into a steel framed house. No sign of vent damage. explore Security. Things that go creak in the attic on windy nights can be silenced. we trapped it in the attic and removed it and took it somewhere far away and we sealed every hole we seen to keep them out and never heard the noise again. When the water flow is abruptly stopped, there's no place for the water to go within your household plumbing, so it flows in reverse back to its original source. When fan wheels had any contact with anything while it's turning, it will produce noise. Or it might be high -r low-level electric waves,I forget what they are called or if they can indeed make knocking noises,but they can cause all the reactions people associate with ghosts. It completly absorbs the smell. ∙ 1132 Fort Miller Rd, Fort Edw-T, NY 12834 ∙ $59,900 ∙ MLS# 202014734 ∙ Owner occupant and non profits only for 20 day marketing period. A buzzing noise coming from your furnace is usually the result of something loose in your furnace’s transformer. In big numbers, you can hear the noises in the attic or walls of bats scuttling around. There can be three reasons for You Ac to be making the noises in the indoor unit, but the knocking is caused by * Icing of the evaporator coils. Squirrels, mice, rats, bats, raccoons and other rodents can all decide that your attic is the perfect place to curl up for the winter. Quiet noisy pipes using extra anchoring brackets, cushioning materials or adjusting your water pressure. If you hear knocking, banging or squeaking sounds in your furnace, it's a sign that something is wrong. Peace of mind wouldn't arrive until I had finally drifted off to sleep. Our neighbors came out and let us come in their house. Rattling: Rattling noises are often the result of loose metal ducts knocking against each other. You're more likely to hear them moving through the attic or near the roof edge, walls, and chimney. There was a violent wind blowing outside, but it was nice and cozy in my room. Loud banging noise when outside unit shuts off NEW by: Anonymous My 4 ton trane unit makes the same bang noise when the outside unit shuts off. If they were discovered, they could be punished! She looked across the attic at. The sound of cold: House pops, creaks blamed on dry air Robison said the culprit is often rafters moving against the top plate in the attic, with the plywood sheathing on the roof serving as a. There was a thread ike this a few years back. We've all heard strange noises (bumps, creaks, clinks, and clanks) in our house at night. Critters just love to live in the attics of homes, and the walls, ceiling gaps, crawl spaces, etc. A Thumping Noise From the Attic Fan eHow www. So the pipes explanation could be towards that. I realize I said it in kind of a jokey way, but we really did have a woodpecker visit our chimney for several days to find food, and it made a crazy noise that rattled the whole house. They keep us from sleeping by prowling at night then they make as much noise as possible early in the morning. Hi9 Nicole, I once rented a house which had rats inside the wall cavity. Your house is talking to you, and you are getting only some of it. "Any kind of wild critter could be up in the attic," he says. You'd be surprised what you can find living in your attic. if there is banging and quite loud noises it will be squirrels. Next they notice filth and the smell of rat poop and rotting carcasses. Wall or Attic Sounds. Read honest and unbiased product reviews from our users. The popping noise is steam bubbles escaping the sediment. Any sounds can be a sign of a serious issue with your plumbing that could damage it or surrounding structures. Noise in a system is a sign that something is not right. As long as you've been paying attention, nobody knows how your engine sounds better than you do, so if it starts to sound odd or even just a little different, there could be a problem. We’ve all heard strange noises (bumps, creaks, clinks, and clanks) in our house at night. All of a sudden I hear loud banging or stomping noises sounded like someone running from a bedroom and down the hallway and into the kitchen and it went right behind me where I was standing. So, most noise can be heard when the sun is down. A thumping or knocking sound may be an indication of a larger animal such as a raccoon or an opossum. Re: Banging Pipes - How to Locate Them - Issue Is Not Water Hammer - Please help! It sounds like air in the lines causing the pipe to bounce against framing. Time of day and year helps a lot, but the best way to determine the culprit is to go up and investigate. Bats Leaving the Attic at Sunset. The wholehaving friends thing and not having to hide that fact that you exist in fear of being hurt by someone bad. One in the house or attic over the living and the other in the garage. And with Halloween right around the corner, you may be paying special attention to potential noises and other “hauntings” around the home. As the heater ages, rumbling noises will start emanating louder and louder as the tank heats up water. My parents had a raccoon in their attic. 11 House Noises You Should Never Ignore. Do you know what each sound means or what animal it is associated with? Look no further! Find out which attic noises and actions are coming from which pest with our handy little guide. If the noise drives you crazy, new spring-loaded backdraft dampers ($9 to $30, depending on the size) should solve the. The noise can sound light, or it can actually sound surprisingly loud. Have a home warranty that needs to be contacted if repairs are over $150. is it a growling or a ticking noise. Today’s flexible ductwork is covered with a shiny metallic cover — this is its vapor-barrier. In fact I couldn't hear the sound when I was in the attic. I furiously looked around the attic in a panic when I noticed something that made my blood run cold. We get this thing in our house called "water hammer" - sounds like someone banging on pipes and it's v. So, most noise can be heard when the sun is down. It’s an old house, and the only way to fix the noise is to do nothing. Such noises are usually initially annoying but people quickly become used to them and tend to put up with them; however they sometimes indicate a problem and/or can be easily reduced so the reason for any noise should be investigated. Solving it is a matter of either refilling your plumbing system’s air chambers or installing equipment to regulate your water pressure. The noise is annoying, but I'm also concerned about the heat loss in the winter. A dirty valve (also known as a ballcock) Probably the most common cause of a noisy toilet is the valve being dirty. Everyone once in a while, some of the pipes in our house make some noise, mainly only when you flush a the one toilet, or use the washer. Noises in the Attic - Wild Animal You might hear scratching noises in your attic, sometimes at night, or maybe during the day. I think based on other people's responses, seems to be an issue with the metal contracting. Ooh shit that was dark. A Crackling Noise Is Coming From the Air Conditioner eHow www. “And if the noise has just started, you could help prevent a more serious or complicated repair. 11 House Noises You Should Never Ignore. Reasons a furnace might make a clicking noise includes: Loose inducer: Oil-powered furnaces use a motor-powered fan, or inducer,. Especially if they wanted to cover up a noise, like a junkie beating on the closet door demanding to be let out. Thump Crash! I burst into the attic, I pushed the panel so hard it flew across the attic and landed in a pile of insulation. If you hear a banging noise coming through your bathroom vent when it is windy, chances are that the wind is picking up the vent flap and then letting it bang closed. You’ve tried banging on the ceiling, but they only get quiet for a few minutes. Lieutenant Motley zipped up and out of the old chichimmey chute. A woodpecker on anything metal is going to sound like an assault rifle. Find helpful customer reviews and review ratings for Ventamatic VX2515SOLUPS Solar Gable Attic Ventilator with 12. When the air is on there is a dripping noise in the laundry room (washing machine drain pipe). When she first brought the noise to their attention, the response was that they likewise could hear everything going on downstairs, right down to the boiling of a kettle, a robust shutting of the. I went up to check (wouldn't know if. Sometimes this sounds like an out of balance washing machine. Combating water hammers Imagine a fast-moving stream of water traveling down a narrow pipe. The metal housing, vents, pipes and other parts make clanging and banging noises as they heat up and cool down. Strange Noises If your attic is simply a storage space where you don’t spend much time, you might identify rodents by the noises they make. If I quickly turn my jandy valve from dedicated pool side vac to skimmer operation I can hear what sound like a ball **** knocking noise in the pipes. But the force could eventually break or loosen poorly soldered joints and fittings, which could cause a costly leak inside your home's walls. Adding insulation and ventilation in your attic, if there is a minimal amount currently, will improve the heat retention in the home and lower heating costs but may do little to help the sounds stop. And since I have 99% sworn off ladders and 100% sworn off climbing roofs, this will have to be farmed out. The sounds from squirrels in the house include scurrying sounds, from them running around on the drywall in the attic, above the ceiling, or in the walls. An A/C mechanic was there to check it out but he did not see any problems. Intermittent Loud Banging by: Mark in Florida My new Frigidaire LFHG2251TF has been making loud intermittent banging/knocking noises since I purchased it new at Lowe's, a few months ago. The noise was heard by people in and around Ullapool at about 20:00. but nothing is actually there. What causes noisy water pipes, and when is the noise a problem? Learn the three likeliest causes, solutions, and how an AHS home warranty can save you on repairs. Time of day and year helps a lot, but the best way to determine the culprit is to go up and investigate. Why are My Pipes Making Loud, Banging Noises? January 14, 2015. Skittering in the Walls. I have a loud banging sound coming from my attic. Water heater noises like, popping, cracking, humming, sizzling, hammering, banging, etc. Ductwork banging can disrupt your daily activities, your sleep, and, depending on the factor causing the noise, your bank account, it you're paying substantially higher utility bills because of a ductwork problem. Banging – A banging sound may indicate a loose or broken part. If you hear a banging noise coming through your bathroom vent when it is windy, chances are that the wind is picking up the vent flap and then letting it bang closed. No sign of vent damage. My parents had a raccoon in their attic. The loud banging noise was apparently coming from one single truss in the attic, that when it expanded, was rubbing against another framing member, and when it expands enough, the pop can be heard. I think based on other people's responses, seems to be an issue with the metal contracting. Add insulation to the entire run of ductwork that is either in your basement or your attic. If a fan is hung on a ceiling joist, regular fan noises will be amplified through the joist thus causing a louder noise. A Thumping Noise From the Attic Fan eHow www. First, it is good to know why your pipes are knocking in the first place. Diagonal Bracing. The actual noise reduction is moderate but the sound pitch is lowered which makes the noise less offensive. After 7 straight years of investigating our cold MN weather deck banging noise, we’ve had peace and quiet for the last 3 years. The very first indication of infestation is scratching and squeaking noises that come from the walls, chimney and ceiling. As I sit here in bed trying to get some sleep I cannot. freaky! I can't remember now why exactly it happens but I do know it always happens if I leave the immersion on too long! Could it be that?. OP,sometimes it could be animals. a description of the noise might help too. Rattling: Rattling noises are often the result of loose metal ducts knocking against each other. However, if there is a noticeably louder humming sound coming from your boiler, this could be. “And probably once a year a ghost will appear to someone,” Matsumoto said. Bats are not something you’re generally going to hear in your attic as they often reside on the higher portion of your attic where noises are not easily detected. Is it normal for house to make loud cracking noise in winter?. We get this thing in our house called "water hammer" - sounds like someone banging on pipes and it's v. If the banging pipe is behind a wall and can't be accessed, there's not much you can do without opening up the wall. An A/C mechanic was there to check it out but he did not see any problems. Wild Animal Sounds - Noises in the Attic at Night - Hearing Scratching Sounds coming from your attic could be from a number of causes (pipes, settling, wind), but the most common cause is the presence of an animal (or animals) in the attic. On gas models, this is typically due to sediment build up in bottom of the tank, expanding/contracting piping which rubs against wood framing within the walls, or dirty/clogged parts which gas flows through. ∙ 1132 Fort Miller Rd, Fort Edw-T, NY 12834 ∙ $59,900 ∙ MLS# 202014734 ∙ Owner occupant and non profits only for 20 day marketing period. Apr 23, 2014 - Explore millingtongirl's board "ideas for shed organization", followed by 165 people on Pinterest. 3 with only 8900 miles. Weighing between 5 to 26 kg (11 to 57 lb. looks like you have blown a seal, nah just frost on my moustache (anne franks drum kit Vat is dis banging noise from ze attic?, Fri 23 Feb 2007, 19:34, archived). On occasion we also hear the noise when we run our dishwasher. Belm said she calmed down when she realized the cause of the loud popping noises was the. Our chimney has a screen cover so I don't think it's an animal and when the noise happens, sometimes the water is running and sometimes it's not so I'm not sure if it's the pipes. It even seems to travel through the walls behind the shower. They make scratching and jumping noises, leaving you wondering what’s moving across the ceiling. In a parody of The Hunchback of Notre Dame and Basket Case, Bart, Lisa, and Maggie begin to hear strange noises coming from the attic one night. The advice we were given was to put food up high and make sure all packets were closed. Don’t ignore this noise. Sometimes two or three in a row a few minutes apart. A Thumping Noise From the Attic Fan eHow www. QUESTION: Our house is making settling noises in the attic over the bedroom. As I sit here in bed trying to get some sleep I cannot. Lieutenant Motley zipped up and out of the old chichimmey chute. Call a pro if you're unsure how to perform either of these jobs. Sometimes it's music from. Vocal noises are mostly caused by raccoons in the attic. Depending on how loud the noise is, this can be a few different things. The very first thing to do is stop worrying. Foam insulation can help keep sound from traveling from one room to the other. They forage at night. This could be the source of your noise. Even if you don’t catch a glimpse of the animal, you can frequently figure out what it is just based on when it makes noise and what it sounds like. Banging pipes after a toilet is flushed is a common occurrence in residential properties. Its not all in one area. connecticutradon. Squirrel is on the roof chewing on wooden trim, like in the photo to the left. Fan coils in attics can be very noisy, especially if they rest on the ceiling joists. It's the same for a compressor with a broken spring. I wake up at night cussing some poor neighbor kid then realize it's the HVAC system thumping. The kids spy on Homer climbing to the attic feeding fish heads to something. The bumping/banging noise continued, so I came to the only possible conclusion a new homeowner in an area near a woods and a river could come to: A critter had gotten in, somehow, and was running around the TV room. I bet the noises are pretty annoying, but there are two more compelling reasons to minimize or eliminate sediment buildup. Does your heat pump make a loud clanking noise like metal banging together? Often the cause of this noise is the heat pump fan hitting something that it shouldn't inside the unit. March 2008. Water hammer almost never causes any problems for the home, but the noise can be annoying. Individuals may also hear raccoon sounds from inside homes, like the pests rustling or scratching. However when I turn off the furnace altogether, the noise stops after a few minutes. Something in the attic also likes to make noise. According to the Encyclopedia Britannica, termites stay in touch with their colonies constantly, and they communicate using vibrations, physical contact and chemical signals such as smell. Why does Drew explore the attic? A He wants to find out what is making the noises he hears from his bedroom. * * When the ice buildup on evaporator coils happens , the compressor stops. Sometimes it's music from. There could be a lot of reasons that you might hear a popping or banging noise from your air vents or ducts. If you hear a loud popping sound coming from the attic, even repeatedly, there is typically no cause for alarm. In both cases, the higher the rating, the more effective the materials and methods are at doing their job. Noises in the attic Call us for a free quote at 1-800-837-5520 or contact us Attics (lofts or ceiling cavities) are ideal environments for possums, rats and mice , who damage stored items and electric cabling by gnawing and possibly causing fires. I've had 2 service guys come out and inspect my hot water tank. Davis Wahlman heard noises in his attic and then in his office; He knocked and found a dark-haired woman who said that. In this case, the temperature gradient between supply air and the ceiling can be such that the duct surface could be cooler than the local dew point. And no one has the time of day for these unwanted pests, especially if they’re the culprits of the scratching noise in roof spaces at your home or business. Its random times only at night and not every day, could be 2 nights in a row then off 4 then one, off 3. STEP 2 - If accessible, climb into the attic space. They said that when they removed the filter it didn't make the noise. A common enquiry into PEST UK is customers who phone up with noises in the loft or cavity walls. Depending on how loud the noise is, this can be a few different things. It's not only disturbing, but it can wake light sleepers up in. Awakening in the middle of a cold night by repeated loud banging from your home's roof can be quite alarming, giving rise to visions of falling tree limbs or intruders on the roof. is it a growling or a ticking noise. This range hood, which circulates the air in home, sue ovens or stoves. If the air moving through your system makes a lot of noise, the first things to check on are:. Check the size of the opening they are entering to help to determine which animal it may be. If there is no vent on the drain, install an antisiphon trap to quiet the noise and to prevent any problem with sewer gas. No, that's not the sound of chains rattling in the attic. It is unrelated to plumbing usage or to start and stop of hot water heating system. Newer systems are engineered for quieter operation, but even a quiet system makes a few characteristic noises that shouldn't alarm you. We had an ice storm two days ago and a sheet of ice covers the house. * When compressor stops. Pigeons may enter your attic through damaged eaves, broken vents or attic windows. Danny Lipford. Water hammer. Roof uses foam insulation and the inside of the home has a cathedral ceiling. Ever since when it is flushed there is a loud knocking noise in the water line. The toilet and sink in the bathroom is fed from the tank in the attic and there is no problems there It is driving me bonkers, it sound like the house is going to fall down some days it is that bad. If bats are living in the attic, one might fall down the wall void between the inside and outside walls and end up in the basement and exit if there is an opening. They forage at night. They therefore leave their habitats (in this case, the attic) at sunset to look for food. They say it's good and has good draft. Now I'm not sure what the hell it could have beenthe knocks were loud and spaced and as I walked away I heard it get closer to me, I'm kinda freaked out still. One of those considerations should be the noise that the exhaust fan will produce. (Remember to empty the lint trap often). Probably something called water-hammer. Filed under: Green Home; How to Deep Clean Your House.