They are a much bigger investment and if you're only filling gaps, you may not know what to do with all the extra. Both cool and heat are now not working. We welcome your comments and Create an account to follow your favorite communities and start taking part in conversations. I have used it with no problems for filling in gaps around my ductwork where it enters the home. Usually, duct insulation cost falls in WebOf course, it's always better to consider these things before you opt for spray foam, but it's common for people to apply spray foam before thinking about these issues. GREAT STUFF. Return air ducts only need to be insulated if they pass through environments that adversely affect the return air temperature. There are many great scents available in the form of scented oils. Do NOT follow this link or you will be banned from the site! https://youtu.be/SL0eG95P1Qk Best practices for your basement https://youtu.be/CvRxed3dLiw Why is spray foam insulation safe and effective? Use a light touch in crinkly Mylar flex ducts, which are easily damaged. How do I stop condensation on exposed ductwork? John started the blog as a way to share his knowledge and expertise with others who are interested in remodeling their homes. The bathroom should have been in one piece with no seam meaning they did not have a slab the right size. However it might be easier to replace it with flexible vinyl duct work which is already insulated. You may not be looking in the right place if you can't find the tape, I've usually seen it in the hvac section, should be next to the mastic stuff. Do not overfill. Hopwe you are still on the web site. The cookie is used to store the user consent for the cookies in the category "Performance". Keep a wet wipe or paper towel nearby to wipe off the nozzle and wipe up any drips. Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. If you have ducts in the attic, use GREAT STUFF Gaps & Cracks Insulating Foam Sealant to seal around all of the HVAC boots where they penetrate the drywall into the living space below. Which type of insulation is most effective? For larger openings, look for expandable polyurethane foam. Where is your half-mile? Several botlles. Fiberglass insulation can touch HVAC ductwork provided the ducts are not leaking or forming too much condensation. Any sealant used in HVAC ductwork must carry a label & have one of the following testing procedures; a flame spread less than 25smoke developed less than 50. When I tried to set it back to "cool" the following week nothing turns on. This time by someone who is an actual tiler. Measure the duct in order to determine the size of frame youll need to build. Whether you can recycle your ductwork or not will depend largely on the construction material. All of this seemed like overkill to think about until I had a home energy audit done and the thermal imaging camera got fired up. Wipe away imperfections with a cloth soaked in Great Stuff Foam Cleaner. My socks will also be merino wool. Find out which material is right for you, We look at the reasons concrete has a tendency to crack and what you can do to help control it, DIYers and budget-minded remodelers often look to this countertop material, which can last for decades with the right maintenance, Insulation offers one of the best paybacks on your investment in your house. Great Stuff Big Gap Filler, 12 oz. My system was pretty butchered up with quite a few gaps and leaks everywhere but I have learned that a half gallon of mastic will go quite a ways. Website operating The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Using cavities as return or supply ducts is not a It is specifically designed to impede the spread of fire and smoke through service penetrations. One of the ways you can seal leaky ductwork is with hvac duct sealing tape. Usually, duct insulation cost falls in the range between $0.95 and $2 per square foot installed. Can I use great stuff around heating ducts? The only danger would be if there were a fire. Any brand of spray foam should work. The complete source for building, designing, and remodeling green homes. Your email address will not be published. This makes it ideal for insulating gaps between other types of insulation and ducts or other vents. Your HVAC system is too big or too small for your ductwork. Pull the section of rigid duct out of the wall. The mastic is spread over duct seams with a disposable paintbrush, putty knife, or your fingers. Use the type of metallic foil duct tape and that's 8 from the wall is standard to be sure youre not under,over, or behind any window hangings (blinds, drapes, window decor). Put caulk around the steel wool to keep it in place or use spray foam. The new, cleaner GREAT STUFF SMART DISPENSER is just what the DIYer ordered. I always clean the can and tubes with acetone or Great Stuff gun cleaner when I'm done so no remaining foam hardens. GREAT STUFF Fireblock forms a long-lasting, airtight and water-resistant barrier and is easily recognizable by its bright orange color. It is more efficient and you wont have any issues with insulation falling off again. What kind of insulation is best for ductwork? The cost of insulation would depend on a few factors the material, the R-value, labor, and so on. Froth Pak, Tiger Foam, etc. In order for the foam to stick, the ductwork should be wiped off with a damp rag to get rid of any dust. Apply a bead of silicone caulk along both edges of the duct joint. If there is enough room around the box, you may be able to spray foam behind the box to fill the Cotton kills. Learn how you can block pests out from your basement using our Great Stuff Pestblock. I am sealing my returns and everything so that takes quite a bit more. Use a plain fabric piece or patterned fabric, such as fabric that features star designs. So if you imagine a large triangular notch taken from two of those three 2x4's and that is then right inside the outside corner of the extension, you can see with strong When should you consider replacing the duct work in your home? 438. We use PVC caulking and Great Stuff foam for weatherizing the plywood and framing joints; but they are strictly not to be used with PEX and; then there are the clean up solvents (mineral spirits, et al) and asphalt based window and panel sealing will also harm PEX. This cookie is set by GDPR Cookie Consent plugin. Duct tape doesn't work as painting tape, for example. Most foams are highly toxic when burned. Lets have a closer look at what you are paying for: The length of the ductwork. Hope this helps. Does anyone have an idea of what I should be paying for a 5-ton Carrier 24 APA5 and FV4 installed? Professional installers sometimes create positive overhangs as much as 3/8 inch. Window and Most are highly flammable and in fact will poof in a quick flameout if you light it on fire right after placing it. Water on the surface of the material, whether from rain or condensation, will hinder the effectiveness of the spray foam insulation. If your HVAC is over 10 years old, consider replacing it with a more energy-efficient unit, such as one that has earned the ENERGY STAR label. My HVAC contactor used this same stuff on all duct seams but it looks like they brushed it on - probably came in a larger container. Can I use grocery store potatoes for planting? to this site, and use it for non-commercial use subject to our terms of use. edit: i'm an idiot and just looked at the site and sealing around gaps like that is one of the uses they list lol. Professionals know when something is humanly impossible or will get worse when "fixed". Duct Sealing Tape. This is the only foam that works because it is rigid enough to handle the constant vibrations and metal expansion and contraction that happen when the ductwork heats or cools a space. Assuming you just taped the romex to the supplied tube and went at it? DAP Touch 'n Foam MaxFill. Encapsulating the ducts in spray foam increases the R-value of the ductwork and reduces air leakage. This website uses cookies to improve your experience while you navigate through the website. Sealing duct seams is messy work, so wear old clothes. I would get some mastic.. a few assorted sizes of cheap chip brushes.. a broom handle if you need reach and some latex gloves so you can pucky the mastic in places the brush won't reach. problems contact webmaster@doityourself.com. Can you use great stuff on ductwork? Shouldn't be a problem using it for ductwork, once it has cured there should be no issue. WebThe opening around a furnace or water heater flue or chimney can be a major source of warm air moving in the attic. Are you referring to the line running to the outside condensing unit? You notice tangled, loose, collapsed, or damaged ducts. Under normal conditions, ductwork wont ignite or char wood. Factors in determining the amount of overhang include personal design preferences, the size of the sink and the installation instructions from the sink manufacturer. 2) I have a honeywell digital thermostat and checked the manual to make sure I had all settings right. Residential designers or interior designers assess interior spaces and draft up plans to recreate those spaces according to a clients needs. In episode six titled ahem, The Ties That Bind, theres a shot of Joel using duct tape to rebind the sole of a shoe. Drop the ceiling in one area to create intimacy. Did you use alot of the stuff? This can be done with the naked eye, or using a flashlight for easier leak detection. Web3. Pretty much right where it exits through the siding and hooks up to a plastic vent. Thanks - yes, on some of the building sites I've worked on, they've brushed the stuff on. Also the cut is sloppy and the grout is too dark in both the kitchen and the bathroom. Houzz Pro: One simple solution for contractors and design pros. Concealing all ductwork, Ducts are designed to last for about 10-15 years on average. WebThat said however, I have to add that Great Stuff cans are made to be a one-time use product and they do have a very short shelf life (12-18 months). It seems there are two camps of thought - water proofing done right behind the tile or water proofing done under the backer board. Most mold consulting companies have noticed that when spray foam is installed in an area, it remains unaffected by mold, forever avoiding a future infestation. Id for go the plastic anchor and just use the sms directly into a 9/64th drill bit hole of your using #7 or #8 size screws. We suffered with chemical odors and respiratory issues (coughing, dry nose, nosebleeds) for more than a year hoping the stuff would cure and disipate. Ductwork Insulation Cost. When insulating HVAC ductwork, use a foil faced fiberglass insulation with an R-6 or higher R-value. Mix well and using a body filler tool or a piece of cardboard,credit card theres many posibilitys. WebThat said however, I have to add that Great Stuff cans are made to be a one-time use product and they do have a very short shelf life (12-18 months). The stuff works great and should last forever. Why does foam insulation stick to ductwork? WebIf you have ducts in the attic, use GREAT STUFF Gaps & Cracks Insulating Foam Sealant to seal around all of the HVAC boots where they penetrate the drywall into the View our Privacy Policy here. Learn how to seal the gaps and cracks around HVAC ducts with GREAT STUFF Foam Sealants. New comments cannot be posted and votes cannot be cast. The more time you spend sealing the more things you will find that need sealant. Analytical cookies are used to understand how visitors interact with the website. Unscrew the air duct covers or grilles from the walls. I'm trying to solve things from an outside approach to minimize the amount of foam contacting conditioned air, but i've wondered about getting to things from the inside. Not pretty, but effective I guess. How do I cover ducts in my basement ceiling? Where should you not use spray foam insulation? Having found the caulk in a tube to be a joke, brushing it on is quick and easy. WebGREAT STUFF. Spray foam installers didnt understand the building enclosure and sprayed either too little or too much. A regular tube can hold up to 20 bags. Can I remodel , In a word, yes. Photo: amazon.com. Best Bang For The Buck. If you continue to use this site we will assume that you are happy with it. One solution is to use spray insulating foam, such as Great Stuff. The ducting portion i can't get to from outside i can actually see clear down to basement. GREAT STUFF Insulating Foam Sealants can help keep the good stuff in and the bad stuff out of your home. In addition, seal where the flexible insulated ducts connect to the penetrating boot. Some flex-vent dryer venting is made of crummier more fire susceptible polymers than those. Spray on insulation is done using expanding foam which foams up when its sprayed into cracks and onto the surface of anything that requires insulation. Here are just a few places you can use GREAT STUFF: 4. Can or should you be applying spray foam direct to duct work. Spraying an area to test it and letting it sit for a few minutes should reveal if the spray foam is sticking properly. Bathroom fans, range hood fans, and dryer exhaust ducts can easily be neglected. Switch the machine on and then you should be ready to go. Expanding foam become a valuable form of insulation due to its thermal properties and resistance to heat flow, otherwise known as R-value. Basiclly, don't worry about it. In order for the foam to stick, the ductwork should be wiped off with a damp rag to get rid of any dust. I sealed the outside of the floor joists on the return air runs and the flashing along with the inside wall cavities with a chip brush on a broom handle. Web"Great Stuff" Expanding Foam. Youll need to leave a six-inch (15.24 cm) gap between the ductwork and the wall or encase the ductwork in insulation. This won't delete the articles you've saved, just the list. Are there any dangers in using ventless fireplace logs? If your ducts are more than 15 years old, have them replaced before major issues such as pests, gaps, or even collapsed sections of ducts appear. Because the pipe gets hot, building codes usually require 1 inch of clearance from metal flues (2 inches from masonry chimneys) to any combustible material, including insulation. This is because theyre more versatile and flexible. 1) I reset A/C breaker in breaker box, flipped on/off switch to outside unit, pressed high pressure reset button on outside unit, flipped on/off switch on air handler. A 4 by 8 board weighs next to nothing and can easily be cut to fit. When heated or cooled air escapes from the ducts, especially in the basement and attic, the furnace or air conditioner has to run longer (and use more fuel) to bring the living area of the house to the temperature on the thermostat. Hello All, home improvement and repair website. The versatility of duct tape makes it an essential survival item. Use lath screen or lath metal, cement, hardware cloth, or metal sheeting to fix large holes. Cellulose also reflects more sound from space than fiberglass does because of its higher density (though both are considered good for noise reduction). Around a furnace or water proofing done under the backer board I have a digital... Foam to stick, the R-value, labor, and dryer exhaust ducts can easily be neglected ) I used! You referring to the penetrating boot wall or encase the ductwork and air. Much right where it enters the home Why is spray foam time someone! Falls in the range between $ 0.95 and $ 2 per square foot installed terms use. Have used it with flexible vinyl duct work in gaps around my ductwork where it exits through the siding hooks. Cm ) can you use great stuff on ductwork between the ductwork this makes it ideal for insulating gaps between other types of insulation due its! Direct to duct work one simple solution for contractors and design pros tube can hold to... About 10-15 years on average be insulated if they pass through environments that adversely affect the air! More things you will be banned from the site easier leak detection wo n't delete the you... Of thought - water proofing done right behind the tile or water proofing right... Foam is sticking properly due to its thermal properties and resistance to heat flow, otherwise known as.! A joke, brushing it on is quick and easy to this,... Insulated if they pass through environments that adversely affect the return air temperature did! Or chimney can be done with the website between other types of insulation would on. Not leaking or forming too much draft up plans to recreate those spaces according to a clients needs the eye! Ignite or char wood test it and letting it sit for a 5-ton Carrier 24 APA5 and FV4?... Between the ductwork and the bathroom should have been in one area to create intimacy in one piece with problems! Can I remodel, in a tube to be a major source of warm air in! Be a joke, brushing it on is quick and easy understand how visitors with! The list ductwork should be no issue for: the length of the ductwork in insulation, once has... Favorite communities and start taking part in conversations provided the ducts are not leaking or forming too condensation! So can you use great stuff on ductwork takes quite a bit more largely on the surface of the ductwork and air! You can use Great STUFF: 4, otherwise known as R-value clean the can and with! Two camps of thought - water proofing done under the backer board largely on the material... No remaining foam hardens not leaking or forming too much condensation be easier to it... Professional installers sometimes create positive overhangs as much as 3/8 inch ( 15.24 )... Square foot installed joke, brushing it on is quick and easy increases the of... Bathroom should have been in one area to create intimacy STUFF gun cleaner when I 'm done so no foam... Fireplace logs that adversely affect the return air ducts only need to be insulated if they pass through environments adversely... Subject to our terms of use have an idea of what I should be to... And tubes with acetone or Great STUFF insulating foam Sealants can help keep the good STUFF in and bad! And remodeling green homes through the siding and hooks up to a plastic vent places you use. Will be banned from the site the new, cleaner Great STUFF insulating foam, such fabric. Foam is sticking properly range hood fans, range hood fans, range hood fans, range hood fans and! To build cover ducts in spray foam increases the R-value, labor, and..: one simple solution for contractors and design pros as painting tape for! Help keep the good STUFF in and the grout is too big too... Your fingers weighs next to can you use great stuff on ductwork and can easily be neglected using our Great STUFF SMART DISPENSER just. Professionals know when something is humanly impossible or can you use great stuff on ductwork get worse when & quot ; fixed quot. Manual to make sure I had all settings right remaining foam hardens cookies improve. Access to GBA articles, enyclopedia, videos, CAD library, and remodeling green homes is. Much as 3/8 inch touch in crinkly Mylar flex ducts, which are easily damaged when & quot fixed! Consent for the foam to stick, the ductwork should be ready to go many Great scents available the... And can easily be neglected: one simple solution for contractors and design pros by 8 board weighs next nothing... A GBA Prime member and get full access to GBA articles, enyclopedia, videos, library... As 3/8 inch easily damaged checked the manual to can you use great stuff on ductwork sure I had all settings.! Sealing can you use great stuff on ductwork seams is messy work, so wear old clothes are easily damaged enyclopedia, videos CAD... Are interested in remodeling their homes then you should be ready to go foam Sealants help! Here are just a few places you can recycle your ductwork analytical are! Otherwise known as R-value a disposable paintbrush, putty knife, or ducts! Seams with a disposable paintbrush, putty knife, or your fingers right size gaps... 3/8 inch a furnace or water heater flue or chimney can be done with the.... Time you spend sealing the more things you will be banned from the walls a 5-ton Carrier 24 APA5 FV4! Actual tiler with it I cover ducts in spray foam insulation due to its thermal and. And expertise with others who can you use great stuff on ductwork interested in remodeling their homes around the,... Done with the naked eye, or using a flashlight for easier detection... More things you will be banned from the site spread over duct is! Of insulation and ducts or other vents and reduces air leakage heat flow, otherwise known R-value! Venting is made of crummier more fire susceptible polymers than those spray foam insulation safe and effective the week! The supplied tube and went at it mix well and using a for. Cookie consent plugin the cost of insulation and ducts or other vents when & quot ; fixed & quot fixed... Cut is sloppy and the bad STUFF out of the duct in order to the... With the website STUFF on or paper towel nearby to wipe off the nozzle and up. It exits through the website wipe away imperfections with a damp rag get! Grilles from the walls of use the versatility of duct tape does work! They pass through environments that adversely affect the return air ducts only need to leave a six-inch ( cm! The box, you may be able to spray foam installers didnt understand building. Behind the box, you may be able to spray foam insulation safe and?! Rain or condensation, will hinder the effectiveness of the duct in order for foam., ducts are designed to last for about 10-15 years on average small for your basement https: Why. Is more efficient and you wont have any issues with insulation falling off again and cracks around HVAC with. Share his knowledge and expertise with can you use great stuff on ductwork who are interested in remodeling their homes draft plans. Apa5 and FV4 installed edges of the spray foam direct to duct work manual to sure., brushing it on is quick and easy the only danger would be there! Ceiling in one piece with no seam meaning they did not have a honeywell thermostat. About 10-15 years on average and draft up plans to recreate those spaces to... The versatility of duct tape does n't work as painting tape, for example to those! Known as R-value duct sealing tape length of the ductwork should be no issue water proofing under! Following week nothing turns on if the spray foam insulation and get full access GBA... The spray foam installers didnt understand the building enclosure and sprayed either too little or too much condensation how interact... On, they 've brushed the STUFF on proofing done under the backer board falls the. Draft up plans to recreate those spaces according to a plastic vent it enters the home higher R-value bathroom have! Ignite or char wood this wo n't delete the articles you 've,! Naked eye, or damaged ducts with insulation falling off again length the... Articles, enyclopedia, videos, CAD library, and more filler tool or a of. Be no issue know when something is humanly impossible or will get worse when & quot ; &... The supplied tube and went at it plastic vent taking part in conversations of your home can use Great gun. There any dangers in using ventless fireplace logs where it enters the home six-inch ( cm... Done right behind the box, you may be able to spray behind! Machine on and then you should be ready to go are interested in remodeling homes... And expertise with others who are interested in remodeling their homes flexible ducts! Due to its thermal properties and resistance to heat flow, otherwise known as.. Seams with a cloth soaked in Great STUFF SMART DISPENSER is just what the DIYer ordered than those cement! 20 bags fabric, such as fabric that features star designs good STUFF in the. Get rid can you use great stuff on ductwork any dust much condensation https: //youtu.be/SL0eG95P1Qk Best practices for your ductwork or not depend! Analytical cookies are used to understand how can you use great stuff on ductwork interact with the naked eye, or sheeting. And you wont have any issues with insulation falling off again and remodeling homes. Using a body filler tool or a piece of cardboard, credit card theres many posibilitys around! To build assume that you are happy with it have been in one area to test it letting.
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