Duct mastic smell. Shop All; Store Locator.

Duct mastic smell. … Gardner Bender 80-fl oz Gray Oil Base Duct Sealant.

Duct mastic smell If the ducts (including return ducts) all Master Flow Water Based Air Duct Sealant helps seal all types of air ducts to reduce the risk of conditioned air leakage. This sealant is mainly filled with polymers There is a larger size for the joining duct lines and I think the return lines might be bigger as well. CAN. Design Polymerics needless to saywe use a different mastic now. I. S. EDS-RS is a smooth Water Based Duct Sealer designed for use in high velocity air conditioning, refrigeration Odor: Mild. Shop All; Store Locator. “A strong odor that resembles burning plastic or rotten eggs emanating from your ductwork is a The amount of fumes released by duct tape under normal use is not toxic. I aired the house out many, Spray foam will give off odd smells for up to a couple of If it's fiberboard duct, a musty smell will develope if the fiberglass gets wet for a period of time. If your building was built before 1980, mastic mixed with asbestos may have been used to Childers™ Products manufactures high-quality, proven mastics, coatings, adhesives and sealants for the Thermal Insulation and HVAC industries. PROseal Spray is a premium water-based, high-velocity duct sealant that can be applied using a wide range of Essco 140 Low Odor Mastic Remover; Essco No Odor Mastic Remover; Essco 150 Low Odor Mastic Remover; Remedia 1; Fiberlock Smoke and Odor Sealer; Fiberlock Advanced Peroxide Abatix AMR160 High Performance Mastic Remover: SECAMR-160,SECAMR-160_55: Abatix AMR160 High Performance Mastic Remover: ScotchBlue™ 2080EL Painter's Masking Tape Sealing air duct plenums, takeoffs, elbows, and vent boots where they connect and sealing the seams, per product instructions, may help save energy. Brush on the mastic, working it into the joints and The 2006 IRC section N1103. Most smells will dissipate as the system runs, and the sealants cure. MATERIAL SAFETY DATA SHEET SECTION I DISTRIBUTOR OR MANUFACTURER: EMERGENCY TELEPHONE NO. Formulated for easy application. Aeroseal. There are a few other ways you can increase your air flow. We recently had our ducts sealed at the same time we had an A/C unit put in, and although our installers have suggested that the Mastic Tape should cure in 2 days and the smell should go away, it's been 2+ weeks and the smell still persists There are several smells with ductwork. Abatement Technologies Limited 7 High Street Fort Erie ON L2A 3P6. Material helps seal and protect gaps, holes and conduit openings against dust, moisture, drafts and If you use caulking, it could form a divot where mold could grow from moisture trapped between the caulking and ductwork. I've also noticed that every time we change a unit out to 410 the ducts sweat more. Turn off your HVAC system to prevent further spread of contaminants and contact a Strange Smells. If you prefer using tape, the aluminum foil tape can help you get the work done. MAS1 – 1 gallon – 4/cs acesealmastic181mas. Suitable for pressure sealing all types of HVAC duct systems including metal, fiberglass Recently had ducts professionally cleaned. 0 pH Put one med. Very easy to apply; Low odour and solvent free; Code Section 403. Had furnace guy come take apart furnace fan and coils which were dirty and clean them. 1 requires that “Joints of duct systems shall be made substantially airtight by If the ducts smell is that bad rip out the flex and pony up the money for steel ductwork. Duct Tape Doesn’t Seal Properly. 07-14-2010, 11:56 PM #14. Description. The container of the duct sealer has Get the IBERVILLE Electrical Duct Seal Putty - 1 lb at your local Home Hardware store. Great for indoor and Shop Duct Sealants & Mastic products from family-owned BC company Andrew Sheret Limited. Features & Benefits. Then embedded mesh tape, brushing over it enough to push it CANADA. 0 to 8. So, focus on quality products that are Stick with UL 94 V-0 rated, additive-free, low-odor silicone for the highest quality and safety. 7 July The duct Duct Seal, 1 lb Pugs Gardner Bender Duct Seal Compound Plug is a dough-like material that is easy to handle and simple to install. Typical slipshod Recently had new ductwork installed in the basement for the first floor with a heat pump and air handler. Mastic was used on the boxes but it is all dry and they had me smell fresh mastic the other #8 Mastic® Low to High Velocity Sheet Metal Air Duct Sealant is a UL listed, gray, water-borne, flexible sealant preferred by mechanical contractors for sealing air ducts in commercial construction. RCD #6 1-Gallon Mastic Duct Sealing Bucket. 94. Quantity Low Odor Low VOC (less than 10 They can be wrapped with newer duct insulation and taped, for far less than $7K. Musty/dusty smell coming from central air after duct cleaning We turned our heat on for the season after being away, and we're getting a really weird smell coming out of the vents. Mastic is really only code in some counties and alot of inspectors don't even look at it unless its right in there So, I live in Central Florida and recently got a new AC system installed. $36. 2 requires that “Ducts, air handlers, filter boxes and building cavities used as ducts shall be sealed,” while IRC section M1601. We specialize in weatherization products and insulation equipment. 04 Our Item #: 10538. 4 Checklist Item # [FR13] Description The joints and seams of all ducts, air handlers, filter boxes, and building cavities used as return air ducts must be sealed with mastic My question mainly has to do with the "storage room smell" (dusty, musty, kind of hard to explain but noticeably not fresh) that seems to come from the storage room up through 5511M™ Mastic. Still As for duct mastic, it’s a highly effective solution that’s flame-resistant and non-toxic. Also, rigid ductwork is generally better than flex-duct, which is cheaper and easier to install. View Profile View Forum Posts View Forum Threads F- Seal 181 is a specially formulated fiber reinforced water-based duct sealant for indoor/outdoor use. After watching some youtube videos we are under impression that the optimal Material Name: Duct-Seal 321 Product #: 304159- 11 oz 304158- 5 gal 304157- 2 gal 304156- 1 gal _____ Page 1 of 18 Issue date: 2018-06-01 Revision 2. What you can do to alleviate this is turn Do you detect a strange smell coming from your home’s ductwork? Learn how to remove odor from air ducts with this step-by-step guide. Seal any leaks using duct tape or mastic sealant, and ensure that all connections are secure. When we had it inspected, the results came back that there was a mild amount of mold on the air handler- PROBLEM #1: Duct leakage causes conditioned air to escape before it reaches certain rooms, causing comfort and energy problems. Musty smells; Rooms that feel too cold or hot; Too much Once mastic duct sealant hardens on your air ducts, removing them can be difficult and messy. For that reason, ensure that you won’t need to disassemble the ductwork in the near future. Pickup in-store or delivery options. Being to increase fan the Air Seal 22 is a fast drying non-fiber reinforced duct sealant that goes on smooth and dries fast. Last night I applied a bunch of duct mastic to stuff in my crawlspace and to my surprise it still isn't dry 20 hours later. Mastic tape is your next best choice below Densoseal 16A ™ is a firm, fibrous mastic based on mineral fillers, organic fibres and water displacing materials. For most of the (accessible) 2. Since the 1990s, the use of asbestos in adhesives, such as duct tape, has largely been eradicated Description: #7 Mastic is a premium grade sealant used to seal the fabricated joints & seams of sheet metal air ducts, rigid fiberglass air ducts, flexible air ducts, thermal We had all new flex ducts put in our house about a month ago and when the air/fan/heat runs there is a very strong plastic odor. Find My Store. Dries to off white color. There are many reasons why sealing your duct system is important. New system without new ductwork going in the Is it ok to apply mastic on the inner fiberglass liner of the plenum? Will the smell be too strong? AC Share Mastic a low VOC and when it dries has zero smell. PRODUCT NAME: Pro-Air Duct Sealant - 800 Asbestos insulation, roofing, and floor tiles, for instance, don’t release odors from the toxin. Choosing the right mastic duct sealant enhances HVAC efficiency. Search; No unpleasant odor; Will not stain or harm We just had a brand new HVAC system (including all new ductwork) installed in our attic space to cover our second floor. Can take We had a ducted heat pump installed with all new duct work a week ago. I know my ductwork (God knows how old, house was built in 1981) is in need of sealing. the basement has no smells. As dash said, if your ducts are metal, you'll have to remove the insulation, apply mastic (do NOT use duct Description: #8 Mastic Low to High Velocity Sheet Metal Air Duct Sealant is used to permanently seal the joints & seams of all air duct types including UL Listed air ducts, thermal insulation, crawl space vapor retarders, Duct Mastic, Shop the insulators Warehouse for all your insulation supplies. Mildew and mold are the main culprits as they build up Seal ductwork: Seal joints between duct sections and connections to air registers with mastic or foil tape. Up until 2016, ducts did not have to pass a duct leakage test to receive a Certificate of Occupancy (CO). This substance is somewhat gooey and will only harden after it’s applied. UL listed for use on flexible and rigid Low Odor; Easy to Apply; Made in U. PHYSICAL AND CHEMICAL PROPERTIES This will let safely carry on removing the black mastic. RCD Corporation® #9 Mastic® Low To High Velocity Air Duct Sealant is a water-borne sealant used for permanently sealing the fabricated joints and seams of sheet metal air ducts, UL listed rigid The choice of the best mastic duct sealant depends on various factors such as the specific application, temperature requirements, and material compatibility A professional contractor is cleaning AC Ducts, and after he scrubs the ducts, he wants to apply an acrylic duct sealer and de-odorizer. The worry is mold from The plenum had been leaking from the top back of the unit and the air handler had been sweating. +01-905-871-4720. Sealing air duct plenums, takeoffs, elbows, and vent boots where they Adding a bit to this. All rights reserved. Low VOCs; For applications up to 15” WG; Permanently flexible; Fast drying; Exceptional workability; Will Duct Leaks: If all the vents and registers are open and free of blockages, then there may be cracks or loose connections in ductwork that are causing the air loss. Leaks in return ducts suck dust and dirt into the system. Anything I could Replacing the ducts in a remodel and had one of the pro's recommend that I seal the 1. Viscosity: 320,000 Mastic duct sealant indeed provides waterproof and long-lasting sealing due to the strong structure and properties of the material used. Everything normal they say. Over The existing duct work leaks and we can smell and feel the cold air from return intake when there is wind outside. 800-827-6443 Intl. To sum up what we‘ve covered: Silicone RCD Corporation® duct mastics are weather resistant, earn LEED credits, are low odor, environmentally friendly and easy to use. all I remember was hardcast brand on bucket & that the mastic A persistent musty or moldy smell in the home or an unpleasant odor coming from the vents or when the system is running could be a sign of mold in the air ducts, on the control mastic removers are specifically formulated to liquefy the toughest cured floor tile adhesives on asbestos abatement projects-keep your workers and b RCD Corporation® #6 Mastic® Low to High Velocity Air Duct Sealant is a fiber reinforced, water-borne, white, UL listed, flexible, sealant used to permanently seal the joints and Note that "doing it properly" (re-taping its joints and coating the outside of the duct with mastic) isn't an option at this time. Just get a big tub of mastic and paint it to the inside of the duct if You're in for a labor intensive project if you plan on doing this yourself. However, there are many options when . It does not off-gas significantly once dried. Apply Duct Mastic. The duct has two layers of duct-seal on all seams and corners (probably one layer when it was installed, and another when it sprang a leak, both with previous homeowner). Fuller Construction Products Inc. PROseal is a premium quality, high velocity, smooth Because of this, duct tape is not recommended for any long-term duct sealing solutions, as it fails to provide a reliable, lasting seal. Cameron Pleasant Odor, 7. Step #9: Inspect accessible ductwork for any gaps, Here’s part two of questions that both homeowners and contractors ask us about Aeroseal duct sealing in homes. The Bottom Line on Silicone Odors. 1 to 1% Crystalline Does this replace or equal too Mastic (duct seal) we put on with a brush? Reply . The whole purpose of using tape for sealing ducts is to cut back on air leaks, which are notorious for raising your energy bills. We can provide in gound air VI-CRYL CP-10 water-based mastic has also found use throughout the thermal insulation industry as a coating used over closed cell polyethylene and polyurethane foam insulations. Using a brush or putty knife, apply a generous amount of duct mastic to the seams and joints where leaks are detected. Once fully dried, Duct Sealer remains fully flexible, performing over a wide temperature range on both internal and external surfaces. We’re in the process of having a ducted heat pump installed along with the associated duct work (attic and basement). I think I am going to have them It's worth inspecting all duct and air handler connections/joints/ seams for leaks, and sealing them with duct-mastic or for hard-ducts that are stil shiny purpose made aluminum tapes. Buy what most ppl in the trade call "mastic" and give it all a good coat. Just had our ducts re-done upstairs 24 hours ago and they used low voc water-based mastic to seal. layer mastic - thick enough to hide (most) the corrugated flange & enough to hide the silver duct. It appears to be the same duct board with mastic. Except the strong smell. This weatherization product has excellent adhesion formulated to pressure seal all types of HVAC duct and systems, including sheet metal, Update2: Duct work is fully cleaned and had them spray a deodorizer down the vents. I am pretty If you’ve never had your ducts cleaned or inspected before, the Duct Armor solution may be your best chance at cleaner, healthier air for your home or business. 5. However, it may not completely Foster Duct-Fas™ 32-19 Series Duct Sealant, Size: 1 gal, Color: Gray, Temperature Rating: 40 to 100 deg F, Container Type: Pail, Form: Liquid, Odor: Mild Sweet, Composition: 1 to 5% Titanium Dioxide, 0. PAGE 1. , Ltd. As soon as they started using it (CADS brand) our Usage/purpose. Spray foam will give off odd smells for up to a couple of weeks depending on how much leaks thru to the duct side that feeds the home, until it fully cures. A properly functioning furnace should not produce any odor. The contractor and I Duct Mastic Sealant - Mastic air duct sealant, a viscous substance that hardens after application, proves to be a more durable and cost-effective option. Mastic This smell should fade quickly, so if it persists — or if you smell gas — turn off the furnace immediately and call a professional. In a hot/humid climate with attic HVAC you MUST insulate your ducts and that insulation MUST have a vapor barrier on the outside. A non slump, fast drying sealer. Is there any reason to believe that dried mastic can release toxic chemicals into the air circulating through a duct system? The answer to #1 is that, although most installers put the mastic on the outside of the duct, there is Water based mastic has a slight odor when wet but disappears quickly once it dries. As a non-skinning, non-drying mastic, 5511M has been specifically formulated for precise application to panel Red Devil F-Seal 181 is a specially formulated fiber reinforced water based duct sealant/mastic for indoor/outdoor use. 2. If there's any part of the system that would Do not have mastic at the joints of your air ducts; you most likely have duct leakage. Have had 2 HVAC guys checking duct connections and AC. Mastic Duct Sealant vs. You’ll Keynote: Does Air Duct Cleaning Get Rid of Smoke Smell? Air duct cleaning can reduce the smoke smell by removing particles and contaminants from the HVAC system. 6 #6 MASTIC®LOW TO HIGH VELOCITY AIR DUCT SEALANT Preferred by technicians nationwide for sealing air ducts and crawl spaces in new construction and home SOLVseal is a premium low VOC LEED compliant/CDPH solvent-based high-velocity duct sealant. Once it hardens, it will seal any cracks in your ducts. Abatement Project Buy Carlisle Sure-Grip 404 Solvent Based Duct Sealant, 1 gal Pail, Gray from our wide selection of Duct Sealants & Mastic. ca UL 181 AM/BM listed, fiber reinforced, water-based duct sealant/mastic. PAGE 2. A. Sealing duct leaks in single and multi-family Sprayable Duct Sealant. In comparison, Foster® 30-90 VAPOR-SAFE® Vapor Retarder Mastic: PDS: Foster® 35-00N SEALFAS G-P-M® Weather Barrier Mastic: SDS: PDS: Foster® 46-50 WEATHERITE™ Weather Barrier Mastic: SDS: PDS: Foster® 60-25 C. In the wet state, it Aluminum Foil Duct Tape Heavy Duty,High Temperature Sealing and Patching,for HVAC,Air Ducts,Metal Repair, Foamboard,Insulation,Dryer Vent and More,2 Inch x 20 Yards,Silver 4. Suitable for pressure sealing all types of HVAC duct systems including metal, fiberglass ductboard and #9 Mastic® Air Duct Sealant Low Odor; Made in U. If Duct Mastic and Pregnant Wife. Fiberglass resin, mastic, coil wet sock, amoung others. If anything I would expect the duct board plenums to need replacement, they just get nasty. The internet says I should screw the ducts together with The Carlisle Duct Seal 321 mastic is a thick, gooey water-based product with very low odor: Duct Seal 321 Mastic. this was a job for a hvac buddy of his& he supplied the mastic. b26440510. Rolled mastic tape with butyl rubber adhesive. Moreover, any smell caused by these ACMs is typically caused by other ingredients in the products. It’s very leaky and I’m looking for the best products and practice in sealing them using mastic. To troubleshoot, inspect Assemble using fiberglass weave and mastic or duct board approved HVAC duct tape for ease of use; Insulated with an R value of 6 for good hot and cold retention; UL-181 class 1 rigid air duct duct sealant / mastic section ii - hazardous ingredients hazardous cas pel (ppm) skin ld50 of ingredient ld50 of ingredient ingredients number % twa stel ceiling designation (specify We recently moved to Miami and purchased a house in March. DP 1020 may be used to seal joints on metal, flexible and fiberglass duct board supply and Looking for Ductmate Low VOC Duct Sealant: Pail, Not Specified Begins to Harden, 3 day Full Cure, 35 Non-Flammable, Will Not Drip Or Sag, Low Shrinkage, Odorless When Cured and Has A Vey Mild Odor When Wet . 3. #15 Weather Barrier Coating® is a bright white, water-borne, multi-purpose coating for protecting air ducts and thermal insulation exposed to the weather. 3. Home Chemicals Adhesive; Xmh355 Air Duct Caulking No Smell Window Siliconzied Acrylic Mastic Yuppers. 1s Availability: In stock. the ducts are in a finished basement. I'm very sensitive to chemicals and it make Any solution for toxic smell coming from HVAC duct work. Opt for water-based mastic for easy cleanup and long-lasting results. I have lived here for about a year and did Solvency rating of 7 (1-10 scale) Non-flammable: flash point >200° F TCC Formulated especially for odor-sensitive applications Typical penetration time 6-8 minutes Classified by EPA as Duct tape doesn’t cut it. Special Characteristics. The best choice for A few months back I read somewhere that you could use both foil tape (not duct tape) and mastic along seams and joints -- as in tape first and then mastic over it -- but now for the life of me can't find that particular article. msds Duct Sealant is a tough and flexible sealant to prevent air leakage in low, medium and high velocity ducting systems. Buy online and get Free Shipping to any Home location! Search x. It adheres to Flex-Grip 550 is an all purpose, fiber-free, duct sealant for use on all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing runouts; Distinguished by its ability to accommodate minor vibration -- Around 3 months ago, I started to notice a faint mildew / musty smell coming from the return duct on the first floor of my house. However, as with most HVAC related There's round duct and rectangular duct, with a couple of access panels in it. A hole was cut out from the front to reach the back of the plenum and apply I need to temporarily remove section of mastic-sealed ductwork to do some insulation work and would like to get the duct pieces out in good enough shape to reassemble them when I'm Have a different smell now. Viscosity: 320,000-500,000 CPS T-Bar, Spindle TC-93, 20 RPM Insulation Mastic PM11; PM15 SDS Revision Date (mm/dd/yyyy): 02/08/2019 Page 5 of 12 SAFETY DATA SHEET Appearance SECTION 9. It is paintable and bonds well to most commonly found construction Duct Sealers . It A mastic sealant is a type of liquid sealant that cures in an elastic state, thus making it flexible while holding the bond of the surfaces that has attached together. 0 Section 1 - PRODUCT AND Duct Sealing Methods: Seal Duct Leakage with Sealant Tape vs. Most things I've found online say it dries in a few hours. iaqinfo@abatement. EDS-RS Smooth Duct Sealer. These are my questions: Ducts. Right now, I'm thinking the duct-seal may not be weather-proof Xmh355 Air Duct Caulking No Smell Window Siliconzied Acrylic Mastic Silicone Sealant, Wuhan Minghe Ruihai Industrial Co. For example, duct sealing can prevent duct leakage and improve your indoor air quality considerably. I sat down there for a furnace cycle and there was no smell Even the plenums typically don't have access doors. LD410 has been designed for the permanent sealing of low movement assembly joints in low, medium and high pressure ductwork installations to prevent loss of air pressure. Inspect the ductwork for any visible leaks or signs of moisture. The smell of the black mastic is not a health issue. user-3828327 | Posted in Energy Efficiency and Durability on July 7, 2023 04:08pm Harrisburg, PA. If you discover a dead animal in your air ducts, address the issue promptly to prevent unpleasant odors and potential health hazards. Sort of smells like a painted house smell. The duct runs inside a soffit that's drywalled, veneer Some people opt for duct tape to seal their ductwork, but you should also consider mastic when you’re in the market for duct sealing in Weber County dust, mold, pollen, bad odors or dry Polymer Adhesives offers top of the line duct sealants, adhesives and accessories needed to get any job done right. 5 duct board with white mastic on the inside so that none of the air is exposed to DP 1020 is a premium, fiber reinforced water-based (zero VOC), UL listed, high velocity grey duct sealant for commercial and residential use. B. Removing Black Mastic. It's prohibitively expensive to remove the insulation and aside from the We assumed it could be the strip heater or maybe dirty sock, so they sent us back out there and we find that the smell is only from this one room that has the two new flex runs. Properly sealed Duct Sealing and Airflow Management systems that exceed industry standards and are engineered to ensure fast, consistent, and accurate installation. Whether you need Weather Barrier FiloSeal+ is suitable for sealing several cables or pipes contained in one duct and also allows re-entry of the seal to add or remove cables or pipes as required Kits are complete with backing and mastic to fill an empty duct of the quoted Using mastic or foil tape/duct tape on any connection joints will not noticeably increase your air flow. Childers CHIL-PERM CP-30 LO Low Odor Vapor Barrier Coating CHIL-PERM CP-30 LO is an extremely effective vapor barrier coating for all low temperature applications. It is always better to employ a professional for any job that may include asbestos. Professionals use specific sealing © 2024 H. Gardner Bender 80-fl oz Gray Oil Base Duct Sealant. Tight seals prevent excess moisture and dust from entering the ducts and improve energy efficiency. for pricing and availability. Our products and HVAC mastic is brushable, and remains flexible after many years of drastic temp changes, fills voids, and (the water-based stuff, at least,) is relatively non-toxic. Manufacturer: RCD Corporation Mfg #: 3520. I am wondering if it is mastic. There are a few different duct sealing methods you can use if you have leaky ducts. The duct Duct and air handler odors in buildings can be traced to a variety of sources such as leaks and mold in the duct system, a leaky (and unsafe) heat exchanger sending flue gases or even at ODORS in AIR HANDLERS & DUCT WORK where we list a series of diagnostic articles and steps that help track down, find, and remove the sources of smells or odors blamed on heating Must is the most common air duct smell individuals complain about, and for good reason—this distinct, moldy scent is unpleasant and potentially dangerous. It's all approved Your Go-To Guide to Buying the Best Mastic Duct Sealant for Your HVAC Needs. As for the attic ducts main, remove all insulation from the main and mastic Solvency rating of 8 (1-10 scale) Penetrates most mastics in less than 5 minutes Flash point 141° F TCC Contains no chlorinated solvents Emulsifies in water Coverage approximately 200 sq. To seal metal joints against air leaks in low, medium, and high-pressure duct systems. To seal metal and metal joints against air leaks in low, medium, and high-pressure duct systems. (For example, foil-faced fiberglass This was all-borate, dry blown, so it shouldn't smell, but whatever- these are the cards I've been dealt. I have two questions. Rigid metal Premium Duct Sealant – PROseal® Water-Based HVAC Duct Sealant. It is a non-setting, self-supporting mastic which may be applied to wet surfaces and will seal ducts and conduits against This ensures the mastic or tape properly adheres to the duct’s surface. See the attached picture of the duct work in my home. I crawled thru Hi, so the duct contractor had to cut a part of the main vertical plenum in order to access the unsealed areas of the air handler closet to fix the attic air intrusion issue I was When sealing the air duct, you can use a mastic sealant. 5511M was developed to provide an airtight, watertight, and flexible seal for metal-to-metal concealed joints. The sealant is fiber reinforced and easy to apply by brush, gloved hand, or putty Duct Sealers . The duct is not sealed, and I'd like to seal it with mastic. 2. That's literally what is used to seal the inside of large commercial ductwork on a daily basis. 1. The downstairs system has a chemical smell when run which won’t seem to go away. 0. When the system is run there's a chemical smell that builds over time. Sure-Grip 404 is a fiber-free, solvent based, Mastic: Odor/Scent : RCD #6 1-Gallon Mastic Duct Sealing Bucket. If you use duct tape on ducts, the savings will be Generic 6 Pack Waterproof Sealant Mastic - Duct Seal Repair Sealing Clay,Wall Mending Mud Block Drywall Repair Putty, Quick Dry White Moldable Silicone Putty,Quick Mastic is a type of glue used to adhere tiles and vinyl flooring to the subfloor. the filter is changed often and last changed about 2 weeks ago.