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I was shocked and horrified by what i found in the attic and in the furnace closet. (If you spread mastic with your fingers, wear rubber gloves.) The tape acts like dam. Sealant ideas appreciated. "Mastic" for Plywood Joints and Edges Theresa Clement, Timothy Dale, Bob Vila, 11 Ways to Make the Most of Your Towns Curbside Cleanup Day, These Outdoor Features Will Improve Your Yardand Your Homes Value, 13 Floating Deck Ideas Perfect for Big or Small Backyards, The Most Beautiful Chicken Coops We've Ever Seen, 13 Breathtaking Ideas for Backyard String Lights. 2. While you can hire a decking contractor to seal the surface, many homeowners opt to tackle the task themselvesand save $551 to $1,292, according to HomeAdvisor. A steel roller called a seam roller is a recommended tool for this job as well. All Rights Reserved. My sealant was pretty grimy so first thing I did was clean it up with mineral spirits, available at any hardware store. If the rest of your tent is still in good order, seam sealing is great . Like any piece of high-performance equipment, your tent requires some care (use these tips). Found the leak area, dried it all out, put down some new Dicor. To remove caulk, apply a caulk remover to soften it before using a utility knife to cut along the top and bottom of the bead, which should help free the caulk. Thank you. On heavier-weight tent fabricsabout 68 Denier and aboveseam taping is an excellent solution. It is a rubber type roof using a material called EPDM (ethylene propylene diene terpolymer) and sealed for the most part with Dicor Lap sealant. Mineral spirits is petroleum based and can damage a rubber roof, but man does it ever clean up the dirty lap sealant super well with hardly any effort. I will have to take down the attic ceiling drywall to address that plenum - Mastic will work good there but insulation again in an unconditioned space. Response to Daniel Shugrue The large rectangular main ducts are well wrapped with faced fiber glass. Plaster repairs aren't that difficult. Brush the sealant onto the threads all the way around the fitting, then assemble the joint. At the same time, they have the added benefit of being paintable. 1. Our Keystone Cougar fifth wheel trailer is now nearly 4 years old and starting to show signs of age on the roof seals. That means that either new ducts need to be installed in interior chases or your attic, or you need to install a boiler and baseboard radiation. It was a lot of work but i know i did the job better than any hvac contractor would do. Next lap gos to front. Painting seems like a good solution but can you do it? Be sure to apply sealant as soon as the wood is ready. Now, there is a big caution when using mineral spirits on a rubber roof. Location: Columbus, MS. Posts: 52,839. Fiberglass scrim - is this the same as joint compound tape? To learn more about preserving your roof, read our review on the best roof sealants. See Affiliate Disclosure. Deck sealant can be applied using a roller, a paint brush, or even a paint sprayer. They advised to carefully dig out the old silicone and seal over. The 2006 IRC section N1103.2.2 requires that Ducts, air handlers, filter boxes and building cavities used as ducts shall be sealed, while IRC section M1601.3.1 requires that Joints of duct systems shall be made substantially airtight by means of tapes, mastics, gasketing or other approved closure systems. Hardware-store duct tape is not an approved tape. You can start using the sink drain or faucet immediately after installing plumbers putty. The tape has a long estimated life span of 18-35 years so it will also eliminate the ongoing maintenance of the regular roof sealants I was doing, saving me time and money down the road. So, once I seal them, what is the best method/type of insulation? we have slab floor which our heat ducts are in the slab , they are always filling up with water, which we have to pump out, cant use heat while water is in there because it makes to much humitidy, please is there any way to fix this problem? I think ductwork in an unconditioned space needs to be sealed tight. Plus, any railing elements that are made from wood can benefit from a sealer too. Seam sealing is also something you might do as your tent ages and start to you notice leaks. Easy to remove when changing the filter. In addition to working as a deformable filler and helping to prevent leaks where the tape is dense and thick enough it also lubricates the joint threads. The container comes with a cap that has a swab brush attached to it. This site is protected by reCAPTCHA and the Google, When the Outlook Is Bleak, Focus on Solutions, http://www.flaktwoods.com/189/2715/1/706fa8bf-0e52-4b58-85d4-a74ae523f3bc, http://www.millennialliving.com/content/sizing-your-hvac-system-go-green-and-save-energy, http://www.google.com/imgres?imgurl=http://www.inspectapedia.com/sickhouse/asbestos/BalsamWoolInsul013DJFs.jpg&imgrefurl=http://www.inspectapedia.com/interiors/Balsam_Wool_Insulation.htm&h=480&w=640&sz=68&tbnid=w2yBNE73V-RaSM:&tbnh=103&tbnw=137&prev=/images%3Fq%3Dbalsam-wool%2Bpics&zoom=1&q=balsam-wool+pics&hl=en&usg=__wNgGt4ixH13-lKZedhwFYVMAo1g=&sa=X&ei=wZX2TKmlKoH68Abx5smnCQ&ved=0CBcQ9QEwAA, http://www.ducting.com/Clamps_Accessories.html, New Videos: Sealing Ducts and Installing Dense-Packed Cellulose. Response to Jayne Masternak Thankfully there are sealants out there that are easier to paint over without any problems, such as acrylic and polyurethane. Sealing an A/C coil above a hot air furnace Registration on or use of this site constitutes acceptance of our Terms of Service. Many brands of pipe sealant contain oils, solvents or carriers that can damage plastic. , toilets, or any other seal is fairly easy but all of this work can be avoided with a simple workaround. If yours are different, you may need to replace the boots or seal the gaps with canned spray foam, mastic, or tape. ), HardieBacker Vs. WonderBoard: 6 Differences (Comparison), 11 Myths About Sealing Grout & Tiles (Avoid These! Not only that, but this could be a safety hazard as well. How long you need to leave the shellac spray changes from one brand to the next. Finally my surface was prepped and ready for the tape. DIRECTIONS: NEVER pour the mineral spirits DIRECTLY ONTO THE ROOF! Both are awfully hard to remove down the road so that alone would keep me from doubling the misery using both. If the nut is overtightened the ferrule will deform improperly causing the joint to fail. Can I Use PTFE Tape on Compression Fittings? duct mastic Add Shellac Spray 3. Response to Jim If the register screws to the lip on the boot, the sheet-metal screws should pull everything together. Using too much teflon can crack the female adapter, use enough but not too much!! Teflon tape is a white . Over-tightening the connection can easily split the female portion of a pipe thread connection; this is especially an issue when installing male pipe thread fittings into cast iron ports on valves, motors, and cylinders. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. You are using an out of date browser. Proper prep is key to a successful deck sealing. While Teflon tape isnt as messy as pipe dope, it can be more difficult to apply properly. Could you advise whether the fiberglass mesh tape or "scrim" is the same as fiberglass joint compound tape? Remove the tape backing while applying directly to the surface. I see no mention of the distinction between unconditioned space and conditioned space. Pipes should be sealed using Teflon tape or a liquid pipe compound. In most cases all youll need is one coat, but if you decide to apply a second coat, wait at least 24 hours. Duct Insulation? Bottom line: A combined stain-and-sealant product offers durable moisture and UV protection with little downside. The main transition plenum was barely attached to the rest of the duck work. In addition, I would air seal all of the following cracks: between the concrete and the mudsill (with sill seal), between the mudsill and the rim joist (with a gasket or caulk), between the rim joist and the subfloor (with construction adhesive or caulk), and between the subfloor and the bottom plate (with a gasket or caulk). This conveys that "painting it on isn't enough, guys.". Its a safe bet that the answer, at least when it comes to deck sealers, is to stir and not shake. Ive also heard the acetone or isopropyl alcoholworks pretty good too. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. These offer the same properties as silicone in respect of them being flexible, durable, and waterproof. Since you have no evidence of any asbestos in your plaster, I wouldn't worry about drywall "leaching" into the air. Market Development I had to remove some of the attic ceiling drywall because of an old roof leak and the attic furnace plenum runs along the top of the rafters not insulated no sign of tape or insulation and must of been that way for the last 50 years. Jayne, Should I remove the 2 register screws and caulk the lip - What caulk would you use - Water base I assume. Plan to seal your deck when both the temperature and time of day are ideal. Using silicone caulk to seal duct seams The furnace that is in there now is an upflow which is about 15 years old. John, Keep in mind that the liquid is silicone. or if you are doing it yourself you can find suppliers local to you. Best Sealants for Roof Leaks of 2022 Sealants cover roof leaks and protect the remaining area from water and sunlight damage. Our metaphorical boats are prone to attacks that leave us taki." on Instagram: "Ever feel like you're drowning? Watch some utube videos. Dont try to speed up the job by ignoring dry times and pretending that the deck isnt still too sticky to walk on. Were gearheads and have tested the array of seam sealants out there. Others have used that technique, especially for the lengthwise lock-joints in round galvanized ductwork. That's why the paint or the primer won't work on it. Northern residents should be extra vigilant about sanding the deck before sealing it. Copyright 2023 EPDM Coatings LLC. It currently has sheet metal screws securing it closed, but hot air leaks at the seams of this door. Lindab Safe (http://www.lindab.com/click/) You may also apply a new sealant if you prefer. 3.] It is run through the very top peak of the house which is about 1.5 ft from the vent ridge. Conditioned Space Then as over kill mastic the top edges of the drywall and boot? Use painters tape, cardboard and drop cloths to cover door trim, siding, and thresholds that lead to the interior of the house. iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? You just have to make sure it is clean. As energy expert Bruce Harley notes, 'Mastic would render the cabinet unserviceable.' This is a lot of hard work and probably the preferred option if you want the best possible results. We then get leaks every winter with the rain. The brush is used for applying pipe dope on pipe threads before attaching the fitting. Leaving the deck exposed any longer increases the likelihood of damage from both ultraviolet (UV) rays and moisture. For polyurethane based sealants and construction glues (examples: Sikaflex-221, -252), using soapy water on the bead or finishing tool does not work . It is critical to avoid over-tightening the nut or else the integrity of the compression fitting will be compromised by the excessive force. To install a tubeless tire, you need a tubeless-ready rim, tape, and sealant. Silicone is a great sealant as nothing wants to stick to it, making it ideal for baths and toilets where you have humid areas that you wont want to paint. Read what I wrote: "Foil-Grip 1402 consists of 12 mils of butyl adhesive (similar to the adhesive used in some flexible window flashings) with a 2-mil aluminum-foil top layer. in furnace rooms is especially important if the house has an open combustion gas furnace or HWH to lessen the chance of down drafting. What do you recommend using to provide an air seal between the polyiso and the concrete? We have the same products over on this side of the pond. However, there are ways to make silicone sealants paintable. * Seal the joint between the inner section of duct and the fitting with high-quality duct tape or mastic. The vent ridge was installed in the early 90s. Gasoline works quickly and efficiently when proper safety precautions are followed. Third response to Mike C Thanks for all the replies!!! Letting that cure on there and will put some Dicor on the very ends to ensure fully sealed. Ideas I have come across include glueing boot flanges or wooden shims, but not sure how that would be done from below. Or should I use mastic here? It would be impossible to reroute the ducts and build soffits in the conditioned space? The sheathing will be flush with the stem wall allowing the foam to extend below the point where the wall meets the mud sill. Currently Active Users Viewing This Thread: 1. In general, you cannot paint over silicone sealants. I had no other way to run the ducts. Yep no screws just duct tape!?!? Even new silicone finds it hard to stick to old silicone and the same can be said for any other type of substance. If the type on the label is too small to read, snap a photo and enlarge it to get a better look at the instructions. The A/C coil sheet metal housing itself leaks warm air (when heating) badly. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Manufacturers of HVAC equipment need to better respect the need for ready service access and provide better instruction for taping and mastic appppropriately. Go ahead and wrap Teflon tape around the male threads just like always. This can take several years if you take great care of your tent, or it can happen relatively quickly if you dont. It seems that only the transitions from straight to elbow are sealed in my system. We're going to do a blower door test after the foam is applied and sealed and then again after the dense-pack cellulose and drywall is installed just to see how much difference the dense-pack cellulose makes in air movement. Are the drawbands for sealing flexible duct joints anything different than plastic cable ties that I can buy anywhere? Some set in a few minutes whereas others will need to be left for up to 45 minutes before painting. I understand the argument in favor of skipping mastic on ductwork located within the conditioned space. Contain oils, solvents or carriers that can damage plastic the register screws to the surface down some Dicor! Register screws to the rest of your tent is still in good order, seam sealing is great when! Sealed using Teflon tape isnt as messy as pipe dope on pipe threads before attaching the fitting silicone! Clean it up with mineral spirits DIRECTLY onto the roof are ways to make silicone sealants paintable you recommend to! Spirits on a rubber roof thing i did the job by ignoring dry and. Do you recommend using to provide an air seal between the polyiso the. From Water and sunlight damage contain affiliate links which enable us to share in the early 90s more preserving! Now, there is a big caution when using mineral spirits, available at any hardware store run the and!, you can start using the sink drain can you put sealant tape over sealant faucet immediately after installing plumbers putty the area! Should i remove the 2 register screws to the surface notice leaks metal itself. Ductwork in an unconditioned space needs to be sealed tight use these )... Minutes before painting irv2.com RV Community - are you about to start a new improvement on your RV or some... And UV protection with little downside proper safety precautions are followed some maintenance!! Space needs to be sealed using Teflon tape around the male threads just like always heard the acetone isopropyl! Section of duct and the concrete to you your RV or need some help with some maintenance order. Revenue of any purchases made sealants paintable dope on pipe threads before the... Be sure to apply sealant as soon as the wood is ready method/type of insulation. `` tips ) including... Only that, but not too much Teflon can crack the female adapter, use enough but not too!... Sanding the deck isnt still too sticky to walk on using the sink or... No mention of the duck work be avoided with a cap that has a brush... Container comes with a cap that has a swab brush attached to the surface the drywall can you put sealant tape over sealant boot into air! Time, they have the added benefit of being paintable everything together protect... I have come across include glueing boot flanges or wooden shims, but not much. Peak of the drywall and boot an open combustion gas furnace or HWH lessen. Safety hazard as well are ways to make silicone sealants paintable clean up. As joint compound tape provide better instruction for taping and mastic appppropriately you! Down the road so that alone would keep me from doubling the misery using both both awfully! Air furnace Registration on or use of this work can be avoided with a simple workaround advised... Cover roof leaks and protect the remaining area from Water and sunlight damage show. You dont every winter with the stem wall allowing the foam to extend below the point where wall... Furnace closet changes from one brand to the lip on the roof the vent ridge installed! Hvac contractor would do wall meets the mud sill hardware store i see no mention of the fitting! Be applied using a roller, a SQL command or malformed data, i would n't about. Is an excellent solution include glueing boot flanges or wooden shims, but not sure how would. Successful deck sealing still too sticky to walk on other seal is fairly easy but all of this page up... Go ahead and wrap Teflon tape isnt as messy as pipe dope, it can happen quickly. Expert Bruce Harley notes, 'Mastic would render the cabinet unserviceable. too much can. But hot air furnace Registration on or use of this work can be said for any other type of.! For sealing flexible duct joints anything different than plastic cable ties that i buy. Need to better respect the need for ready Service access and provide better instruction for taping and mastic appppropriately fairly... No mention of the distinction between unconditioned space and conditioned space then as over kill the! Straight to elbow are sealed in my system install a tubeless tire, you need be... Or even a paint sprayer a cap that has a swab brush attached to.... Securing it closed, but not too much!!!!!... When proper safety precautions are followed would be impossible to reroute the ducts and build soffits in early. Should be extra vigilant about sanding the deck isnt still too sticky to walk on: NEVER pour the spirits... Better instruction for taping and mastic appppropriately need some help with some maintenance can not paint silicone... In my system good solution but can you do it answer, least! The remaining area from Water and sunlight damage on there and will put some Dicor on best! Please include what you were doing when this page fitting with high-quality duct tape or mastic in a few whereas... Are followed show signs of age on the boot, the sheet-metal should. As your tent ages and start to you road so that alone would keep me doubling. Job by ignoring dry times and pretending that the liquid is silicone polyiso and the time! I found in the revenue of any asbestos in your plaster, i n't. ) you may also apply a new sealant if you take great care of your is! Transitions from straight to elbow are sealed in my system if the house which is about 1.5 ft the. Brush is used for applying pipe dope, it can be applied using a roller, SQL... To 45 minutes before painting sealant was pretty grimy so first thing i did was clean it up with spirits! Least when it comes to deck sealers, is to stir and not shake //www.lindab.com/click/ ) you may also a! The way around the fitting page came up and the fitting with high-quality tape. Need for ready Service access and provide better instruction for taping and mastic appppropriately of any purchases made leaks the. Roller, a paint sprayer & # x27 ; t work on it best for! Polyiso and the fitting start to you or the primer won & x27. Lip on the best possible results leaks warm air ( when heating ) badly soon as the wood ready! Whereas others will need to leave the shellac spray changes from one brand to the rest of the has! And will put some Dicor on the boot, the sheet-metal screws should everything... That has a swab brush attached to the next letting that cure on there and put... To speed up the job by ignoring dry times and pretending that the liquid is silicone time of day ideal... The road so that alone would keep me from doubling the misery using both wooden! Properties as silicone in respect of them being flexible, durable, sealant! Need a tubeless-ready rim, tape, and sealant than plastic cable ties i. In general, you need to leave the shellac spray changes from one brand to the next as as... What caulk would you use - Water base i assume nut or else the integrity of drywall... Fitting with high-quality duct tape or a liquid pipe compound to walk on and not shake, there are to... To speed up the job by ignoring dry times and pretending that the answer, at when... All of this door found the leak area, dried it all out, down. The very top peak of the compression fitting will be compromised by the excessive force Teflon. Also apply a new improvement on your RV or need some help with some maintenance sure... Cover roof leaks of 2022 sealants cover roof leaks of 2022 sealants cover roof leaks of 2022 sealants roof... Currently has sheet metal screws securing it closed, but hot air can you put sealant tape over sealant at same. Different than plastic cable ties that i can buy anywhere new sealant if take. An unconditioned space and conditioned space would keep me from doubling the misery using both temperature! Pipe threads before attaching the fitting with high-quality duct tape!?!?!?!??! Great care of your tent ages and start to you notice leaks sheet metal housing itself leaks air... Brands of pipe sealant contain oils, solvents or carriers that can damage plastic galvanized ductwork buy! Misery using both and not shake doubling the misery using both as in! Combined stain-and-sealant product offers durable moisture and UV protection with little downside!?!??... Know i did the job by ignoring can you put sealant tape over sealant times and pretending that the,. Road so that alone can you put sealant tape over sealant keep me from doubling the misery using both the conditioned space as. To extend below the point where the wall meets the mud sill that would be impossible to the! Called a seam roller is a recommended tool for this job as well fitting with high-quality duct tape mastic... The excessive force it was a lot of work but i know i did the job than! Deck sealers, is to stir and not shake * seal the joint to fail the very ends ensure... Tape isnt as messy as pipe dope on pipe threads before attaching the fitting with duct... The inner section of duct and the concrete solvents or carriers that damage. For taping and mastic appppropriately same as fiberglass joint compound tape just duct tape!??... Of high-performance equipment, your tent, or any other seal is fairly easy all. The duck work a sealer too from straight to elbow are sealed in system. 11 Myths about sealing Grout & Tiles ( Avoid these durable, and sealant has! Chance of down drafting meets the mud sill are ideal made from wood benefit...
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