Although rigid metal ducts cannot contain a very large fire for very long, they can certainly give you more time to evacuate your home and call emergency services. Dundas JafinesProClean Drill Powered Duct Brushhelps to remove lint build up and debris in your dryer duct. Additionally, in the case of a gas dryer, it prevents carbon monoxide from leaking into your home. The space behind your dryer should be sufficient as to provide adequate room for the flex transition hose to make its bends with minimal deflection and restrictions. 
This leads to lint getting caught and accumulating, which can be very dangerous because of how flammable lint is. 
A buildup of lint in the vent reduces the air flow and affects your dryers performance, so it should be cleaned out periodically. In fact, it is against many local building codes to use a plastic duct on a dryer. Actually inspect the termination port of the dryer and the wall or roof cap. A better duct choice would be a semi-rigid metal dryer duct. (My wall vent connector is low on the wall behind the dryer, immediately above the baseboard, and is only about a foot to the left of the dryer vent connection so I need something flexible. Some manufacturer requirements are not as restrictive as these codes, and their vents run much longer. As an Amazon Associate, we earn from qualifying purchases at no additional cost to you. According to the United States Consumer Product Safety Commission, there are also two voluntary sets of standards for dryer vent pipes: Both the IRC and MRC codes defer to dryer manufacturers in determining vent lengths, diameters, and number of turns.
I had a 6 yr old Fridgedaire and thought it was faulty because it took 3 to 4 60 minute cycles to dry my clothes when I only had like 6 ft of foil vent hose to exit my basement. For foil ducts, though, a large enough fire would quickly disintegrate the ducts, making the fire spread faster. Cheap and effective too. A collection of common misconceptions about dryer venting. 
Foil ducts contravene the IRC. For maintenance and repairs to your major appliances, you can trust the factory-trained and experienced technicians at C&W Appliance Service. Home Blog Dryer Ducts Are Yours Up to Code? Semi-rigid flexible aluminum ducts have a smoother interior for better air flow, collect less lint, and maintain their 4-inch opening. Then, when they did get ahold of him, it turns out the front board unit was incompatible due to a slight design change (another $1000). Just posted my first dilemma and could use some of your wonderful ideas. How often is a matter of how much use your dryer gets. Also, I would like to know the best way to connect two hoses, foil tape or clamps? I will take the foil vent back to the store and get either a flexible metal one or maybe a periscope. 
A solid metal hose/pipe has no ripples so it's the lease resistant. Does Rit Dye Remover take out cat urine stains out of fabric. This smooth design also provides for high-velocity airflow.
The very smooth interior of the periscope duct offers very little air resistance, which increases dryer efficiency and discourages lint buildup. Make sure your flex transition hose is not kinked or crushed. BEST : Fire proof and easy to clean, a 4-inch fire proof aluminum pipe is the preferred venting option for optimum performance. It may seem like a somewhat easy fix to the accumulation of lint in your dryer vents would just be to clean the vents more often. I bought a new dryer (Roper,super capicity, whirlpool econmy version) and it took 2 hrs to dry my clothes. To make a long story short, the foil dryer vent did in fact collect lint as others have stated, and the actual opening in the 4 inch dryer vent line was down to about 1 1/2 inches! Joints should be secured with metal tape (not duct tape). Moist air and lint are exhausted out of the dryer, and this moisture weighs down the lint, causing it to become stuck and accumulate. All dryer ducting must be a minimum of 4" in diameter. Can these things be cut to be shorter? Although foil dryer ducts can be more lightweight and easier to install than rigid dryer ducts, their lack of rigidity makes it so that they are not compliant with the IRC. This product will reduce heat and cool loss and condensation build-up.
This can lead to your clothes not being fully dry at the end of a cycle or other problems with your dryer function. You can find UL listed foil ducts in most hardware stores. If you want to use this for a transition duct, first check your dryer manufacturers manual to make sure its allowed.
Water damage is not the only concern with sagging ducts. UL listed and marked ducts are the better choice, as these ducts have been tested for total non combustibility with a maximum operating temperature of 435F. Routine cleaning is done from the outside by sending an air-propelled "jet-snake" through the vent.
This is certainly not something I expected from a supposedly high-end company / appliances. The lint is caught in a special bag. Have been off Houzz for a while as Bill and I contemplated moving south to a warmer, drier clime. Their smooth surfaces allow maximum air flow and resist lint accumulation, which contribute to fire safety. In the United States, most home inspectors refer to the, International Residential Code (IRC) M1502. The added weight of the lint and water make the sagging worse. BTW, the flexible metal vent is sufficiently flexible to be able to pull the dryer forward to vacuum around it, etc. this was an EXTREMELY poor design, the circuit board sits between the four burners, on top of the oven (can you think of a worse part for sensitive electronics?
The problem is that the flexible metal hoses I have seen at Lowes, Home Depot, etc. Bumps and thumps might be driving you crazy, but they also might mean big trouble. It is as flexible as foil, and easy to install, yet crush-resistant. Risking a fire is just not worth it. I would much prefer to use one because of the ease of installation. There are a range of issues and dangers associated with broken dryer ducts, including moisture-related structural damage, water leaking onto wires and other electrical components, mold growth, and lint fires. Foil dryer ducts have a tendency to droop in addition to the formation of ridges inside of the ducts. The. Foil dryer ducts are praised for their maneuverability as well as their light weight, but they are certainly not without their limitations, some of which have serious safety implications, especially in dryers. The hood opening should point down and exhibit 12 inches of clearance between the bottom of the hood and the ground or other obstruction. I have created a very useful comparison page. All current over the range microwaves can be installed over gas cooking products up to and including 5 burner stoves. Concealed ducting must be rigid metal (galvanized or aluminum) duct. As soon as the fire becomes larger with more lint to use as fuel, the integrity of the ducts becomes important. Privacy Policy|Disclaimer, In December 2006, Underwriters Laboratories introduced UL 2158A, Clothes Dryer Transition Duct,, an approved standard for flexible, high-temperature, , rated to 430 F., for both electric and gas dryers (this standard is also part of. I understand COVID has supply chain issues, but this is ridiculous - these are standard parts, and could quite honestly be solved by simple care in how they do their service (such as not sending out unprogrammed parts). I am thinking my foil flexible tubing is to blame not the dryers! Here is a link that might be useful: Truths and Myths of Dryer Fires, Here is a link that might be useful: periscope vent.
Just hold the last section up and make a mark with a marker on the pipe about where to cut it. Although dryers are a convenient appliance for household chores, their function comes with very real danger. Humid air would then introduce water to the lint, which weighs it down. For over 80 years Dundas Jafine has been providing high quality and innovative air distribution products to help solve your everyday venting issues. (855) 358-1496 TOLL FREEFAX: (214) 247-1162Email: service@cwservicesinc.com, 2022 C&W Services Inc. | All Rights Reserved. When we purchased a new W/D set about a year ago, we discussed the various materials with the installer.
Although some foil ducts may comply with this, it is likely that they wont, since they are often significantly thinner than standard metal ducts. The folks who deliver your new appliances should be doing the hookup as well, unless you insist on doing it yourself. are not UL approved for clothes dryer transition ducts. Dryer manufacturers prefer semi-rigid flexible ducts over foil, because the metal doesnt burn unless the temperature reaches 482F a fire can be contained until it goes out. I took him off the house wall and brought him to the other side of the fence but he came back quack quack noise all night, Hello all! Be the first to learn about innovative products and get tips for all your venting needs.
They also dont return to their original shape when squashed.
You only need about 2-1/2 inches behind your dryer for these these types of duct. Houzz Pro: One simple solution for contractors and design pros, A green tree frog at the fireplace exhaust drives me crazy!!! If the dryer overheats and the lint catches fire, the foil duct wont contain it.
Foil Dryer Ducts Are Not Compliant With the IRC, Harder to Clean When Ducting Isnt Smooth. Now is the perfect time to upgrade your venting situation since your getting a new dryer.Check your outside vent cover or flapper to see if it needs updating, cleaning or replacing.I updated my old setup and cut my drying time by 10 minutes. However, the dryer itself and its exhaust produce much more extreme heat, which is not comfortable in the slightest. I've had a broken oven for over 3 months (an over-heated and cooked circuit board that controls the oven. Let us know if you liked the post. I haven't measured exactly because the dryer has not been delivered yet, but I probably need around 12"-15" of length. In the event of a dryer fire, it is best to have vents that can contain the fire so that it doesnt spread through the rest of the house. Because many dryer manufacturers recommend only the semi-rigid or rigid metal transition ducts, a rigid aluminum periscope duct is a better solution if the space is tight between the dryer and the wall, and the dryer and wall vent are close together. Be the first to learn about innovative products. Of course, one of the pipes may have to be cut to the correct length. 28 gauge).. American National Standards Institute (ANSI) Z21.5.1/Canadian Standards Association (CSA) 7.1 standard, Gas Clothes Dryers Volume I, Type I Clothes Dryers for gas dryers. https://dundasjafine.com/is-your-dryer-a-fire-hazard/#:~:text=The%20most%20common%20sources%20of,temperatures%20of%20250%C2%B0F.
Based on the responses, I know I should use a flexible metal hose (the solid metal seems like it would take custom fabricating to get to the exact length and shape). Like dixiedarlin1 stated, you can try the "Periscope" type vent. A factor that makes this worse is the fact that air coming from these vents is often saturated with water vapor since the water carried by the wet clothing must go somewhere. TRUE & FALSE This one is a bit tricky because it depends on the location of the dryer. for dryer venting. If the dryer overheats and the lint catches fire, the foil duct wont contain it.
I agree. has adopted both the International Residential Code and the International Mechanical Code (2015 editions). Good luck! The requirements for transition ducts are as follows: As well, dryer manufacturers that allow foil ducts specify in their installation manuals and warranty requirements that foil-type flexible ducts must comply with UL 2158A. I recommend the Builders Best Single Elbow Dryer Vent Duct Kit (amazon link) for its high ratings, and high-temperature range (able to withstand temperatures of up to 430 F). With the aid of a vacuum hose or shop vac, these tools should clean your vents fairly thoroughly, but in foil dryer ducts, the process becomes less thorough. Look in your Yellow Pages under Duct Cleaning or search the Internet. Exhaust from your dryer is often between 120 and 160 F. have a smoother interior for better air flow, collect less lint, and maintain their 4-inch opening. We have the bottom elbow and the first length of pipe connected to the dryer vent outlet,and held in place somehow while we slide the dryer into position. This means that a cleaning session for foil ducts would not have the same results as in smooth ducts. It is likely that the ducts will still contain lint that is difficult to remove, leading to more lint accumulating in these uncleaned areas. You can cut it with a tin snips or a heavy scissor even. Not only do the ridges of foil ducts trap lint, but they also make it harder to remove. Or replace what you have with "Flexible Metal" (Flexible Metal being the best of both worldsflexible like the cheap plastic/foil tubes but rigid like solid metal). Foil is technically made of metal, but not the rigid metal that the IRC requires for dryer vents.
Unlike rigid metal ducts, whose inner surfaces are smooth, foil ducts have many ridges for lint to get stuck on. DRYER VENTS DONT NEED CLEANING. Thanks and happy Holidays! A vent cleaning kit from the store often comes with a circular brush made for detaching lint and a rod that can extend into your dryer vent. Maintain & Repair Your Summer Time Ice Makers. Water leaks lead to water damage, which is an expense that can be avoided by choosing a different kind of dryer duct. Do not use rivets or screws in the joints or anywhere else in the duct as these will encourage lint collection. The use of the white vinyl flex pipe is all but completely prohibited, both by building departments and appliance manufacturers. Deduct 5 feet from the allowable length for every 90 degree elbow and two and a half feet for every 45 degree fitting (the, Dryer venting shall be independent of any other systems (chimneys or exhaust vents). The periscope looks like it might work but also looks like it would need to be cut. A typical family household should consider cleaning it every six months. Accumulated water in your dryer ducting can lead to water leaks since this type of ducting isnt made to prevent leaks of liquid water. Flexible metal has tiny ripples so there is minimal wind turbulence.
FALSE No! And, I mean non-existentthe board came in and was installed - but had not been programmed at the factory! Since lint is flammable, its accumulation with the added heat from dryer exhaust makes fires a very real possibility, especially since blockage of the dryer vent can cause overheating.
They disconnect and pull the dryer out, install a large blower on the vent, and blow, brush, vacuum and/or dismantle - whatever it takes to get the vent clean.
The fire is contained for a longer period of time and smoke would slowly enter the home, indicating that a dryer fire is occurring. The material, texture, and rigidity of foil dryer ducts are what make them a fire hazard as well as a liability for your dryer. This is not necessarily true, though, since the ridges of foil ducting dont just lead to the accumulation of lint, they also make the vents much harder to clean. It's so simple. Small orifice metal screening should not be part of the hood or roof cap as this will catch lint and block the opening in a very short time.
Where changes of direction are required, use 4-inch aluminum elbows. The 66" from the floor dimension will allow approximately 13"-16" between the cooktop and the bottom front of the microwave. With its smooth interior similar to semi-rigid ducts, DryerFlex also retains a 4-inch diameter, and doesnt capture much lint. The best option, though, would be a fully rigid metal dryer duct, such as one made of galvanized sheet metal. Sagging occurs in foil ducting because the ducting is not rigid, so its shape doesnt hold well. This is a very important function because, according to the National Fire Protection Association, there are more than 14,000 home fires every year involving clothes dryers. This would comply with the IRC-mandated thickness and would also be more rigid than foil. While rigid metal ducts are fairly well-suited for containing fires, foil ducting certainly isnt. Using the "rigid" pipe is easy. It has a UL 2158A listing, with the same fire safety level as semi-rigid aluminum, withstanding up to 482 without catching fire. Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates. Yes, flexible metal can be cut with scissors. Still more lint is caught and accumulates, which is definitely a safety risk. In December 2006, Underwriters Laboratories introduced UL 2158A, Clothes Dryer Transition Duct, an approved standard for flexible, high-temperature transition ducts, rated to 430 F., for both electric and gas dryers (this standard is also part of IRC M1502.4.3 and IMC 504.8.3). Must be a single length no connecting sections allowed. It is as flexible as foil, and easy to install, yet crush-resistant. Dryer vent cleaning is a very real commercial trade and the contracted work is sometimes described as Routine and Problem Cleaning. Emptying a dryer right after its cycle is done often means your clothing will be cozily warm, which makes doing laundry a lot more pleasant.
are rigid, aluminum ducts that telescope to extend their lengths (e.g. Moisture and heat from the dryer pump through the hose and the moisture condenses inside the hose and lint clings on to it.Some of it is dislodged by the force of the dryer fan but some becomes stuck like a paste. I CAN USE A WHITE, CORRUGATED PLASTIC FLEX HOSE TO VENT MY DRYER. This brush can be used manually or attached to a drill for increased power. FALSE This is a common misconception. As said above, the metal must be at least 0.0157 thick. However, some dryer manufacturers dont allow them because theyre highly flammable. Exhaust systems longer than the manufacturer's recommendations can extend drying times, affect appliance operation and may encourage lint build-up on pipe lining. Using a Recessed Dryer Vent Box will also save space in your laundry room by allowing the dryer to be pushed up against the wall. In short the foil (and sister plastic) vent hoses have dimples or ripples caused by the wire ring spiraling through the material that it supports.It's those dimples through out the length of the hose that causes a lot of wind turbulence within the hose. https://www.familyhandyman.com/list/prevent-fires-and-cut-your-energy-bill-expert-guide-to-dryer-ducts/, Pros and Cons of Washer and Dryer in Master Closet. Here's how you are making what's broken work again, The Hardworking Home: A look at the most popular laundry photos in 2014 hints that dog beds, drying racks and stackable units will be key, Houzzers from around the world share their tips for transforming housework into childs play, Of all the laundry room photos uploaded to Houzz so far in 2016, these are the most popular. Cant be concealed within construction, such as passing through floors, walls, hidden spaces, etc., or be longer than 8 feet. Accumulated lint, which often consists of cotton and perhaps wool fibers, ignites at a temperature of about 250 F.
Using white vinyl transition ducts will void most dryer warranties. United States Consumer Product Safety Commission. Sign up to receive our e-Newsletter! Interested in Dundas Jafine products? Getting ahold of someone at Miele is disheartening as well - I've tried calling and several times gotten simply hung up on/transferred to the end survey instead of actually getting a person. However, some dryer manufacturers dont allow them because theyre highly flammable. Click here to find a Dundas Jafine product retailer near you. Some homeowners are familiar with this silver tubing at the back of the dryer that looks like a giant slinky. Flat out DON'T USE those cheap foil or plastic hoses. When the duct is kinked or crushed as the dryer vibrates against the wall over time (or is pushed), the air flow is restricted even further, building up heat and creating a potential fire hazard. If you suspect clogged or partially clogged exhaust ducting, it is likely you need to have them cleaned. Call us at (855) 358-1496 or use our online service request form for prompt, professional service. I would like to use rigid vent pipe to extend 25 ft from the dryer to an outside vent. ), Per the article in the attached link, those foil vents can trap more lint than the preferred solid or flexible metal ones and thereby possibly cause a fire.
regus_patoff gave a good description and that's essentially how I did mine. I read the on-line manual for the gas dryer and it says to use a solid metal or flexible metal vent hose. It warns against using a plastic or foil vent hose. http://products.geappliances.com/appliance/gea-support-search-content?contentId=21841. Dundas JafinesAluminum Snap Lock Pipeis fire resistant and easy to clean, a solid pipe. Running your dryer too long not only wastes energy but can also damage your clothes. We have made the plunge and purchased a home in southern Utah. Most importantly, feel for proper exit velocity of the air leaving the vent and look at or feel the interior walls of the duct.
Since the heating element can get up to 550 F, the lint would be well above its igniting temperature, and a fire would be imminent. These specifications of the IRC may seem strange, but it is important to note that the IRCs rules are made to ensure that structural integrity, as well as human safety, is maintained. Do not use the plastic or vinyl. A semi-rigid metal dryer duct withstands fire better than a foil duct and also has smaller and fewer ridges for lint to get caught on. You only need about 2-1/2 inches behind your dryer for these these types of duct. A dryer venting system constructed from proper material, installed per code, and regularly cleaned, can prevent not only fires but also mold-related health problems and damage to interior woodwork caused by warm, humid air leaking from ductwork. Dundas JafinesBTD48is ideal for an easy installation and piece of mind. Soaking Wet Clothes: Will They Ruin The Dryer? He said he would never install a foil vent because of the potential fire hazard. White vinyl spiral ducts are still found in many homes, but are not UL approved for clothes dryer transition ducts. We appreciate your interest in Dundas Jafine and will get back to you shortly. Remember that only ducts 8 feet or less can be UL listed and marked. DRYER DUCTS DONT NEED TO BE INSULATED. Thats the only way we can improve. I have a new Whirlpool Cabrio W&D scheduled for delivery next week. I can personally state that we had the foil type dryer vent in our house (built in 1982) and it functioned normally for nearly 20 years and then the dryer started taking longer and longer to dry a load. The bottom line is to avoid the foil hoses.
blockage of the dryer vent can cause overheating, dangers associated with broken dryer ducts.
In the United States, most home inspectors refer to the International Residential Code (IRC) M1502 for dryer venting. He did put in a flexible metal vent (our setup is practically the same as yours). Dryer vent cleaning improves the safety and efficiency and depending on the venting circumstances, should be cleaned or inspected every 6-12 months. Theyre very unsafe, burn more easily than foil ducts, and are prohibited by most building codes and appliance manufacturers. As more and more lint is caught on the ridges, they create barriers over time. Remember to pick up a couple of 4-inch clamps to complete your installation.
Theyre very unsafe, burn more easily than foil ducts, and are prohibited by most building codes and appliance manufacturers. BETTER : You can also choose a semi-rigid aluminum duct where code requires an all aluminum product. So yes the foil does collect lint and can be a problem long term. https://homex.com/ask/how-hot-does-dryer-vent-get, https://codes.iccsafe.org/content/IRC2021P1/chapter-15-exhaust-systems#IRC2021P1_Pt05_Ch15_SecM1502.4.1, https://bungalow.com/articles/how-to-clean-your-dryer-vent-and-why-you-need-to-in-the-first-place. also includes extensive clothes dryer requirements. Cleaning the lint filters on your washer and dryer will save energy, improve performance, and minimize fire hazards. As I sit here today, it is back-ordered for weeks, and I just got a call that Miele has postponed the ship date again for another couple of weeks. As long as the 66" minimum from the floor to the top of the microwave is followed there will be no performance or warranty problem. Both the resistance to sagging as well as the smooth inside of these vents makes lint and water buildup a small possibility, which will protect your home from dryer fires as well as water damage. There is nothing wrong with the actual heating elements. transition ducts are made from multiple layers of 100 percent aluminum ribbon tightly wound over hot galvanized zinc coated wire and, according to many home inspectors and dryer vent professionals, outperforms both foil and semi-rigid ducts. Vanity top suggestions?
It blows air 360 degrees backwards, blasting the lint loose and blowing it outside. Texas has adopted both the International Residential Code and the International Mechanical Code (2015 editions). When buying a semi-rigid duct, make sure you get a UL listed one, as some are non-listed. Equally importantly, dryer venting systems remove the hot, moist air and the carbon monoxide that is generated from combustion of natural gas.
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