Unlike standard duct tape, fiberglass tape can withstand extremely high temperatures for very long times. Membrains big sheet might be more difficult to handle than the smaller width sheet of the Kraft product, but membrain will have FAR fewer seams as a result, so less taping. x 165 ft. Seam Tape (78) Questions & Answers . 2. 1 job of any building enclosure is environmental separation. The fluffy stuff really only works best in dead air space. Will you have useable space in the atic or are you ust insulating the attic floor? What type of interior vapor barrier is appropriate in the southern US? It's hard for me to believe that Kraft faced batts provide much, if any moisture barrier the way they're often installed.But I'm thinking the fact that they ARE paper probably means they wouldn't "sweat" the way I imagine poly mightso maybe they could absorb a bit of vapor now and thenand could hold it until it has a chance to dry out. I remember reading that stapling to the sides starts an airflow in the resulting air gap, which lowers r-value. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It will isolate and cover any leak or hole extremely well. Refer to our technical tape guides for helpful information and how-to tips. Don't use it on hard wood floors as painter's tape; it'll rip the polyurethane right off of the floor (lesson learned). It just takes a little care. here I was thinking that duct tape was the goto tape for everything. If any ads are present below my answer or words underlined/colored, I do not condone/support/use the product or services listed/linked to, they are there without my consent. Compare. W X 470 in. So, no matter what project comes your way, the quality and reliability of your work are guaranteed. I haven't seen fire rated caulk but am sure I just never was looking for it. Thats what I use, and it works great. The facing on kraft-faced insulation is made of kraft paper with an asphalt coating that makes the paper impermeable to water vapor. Why Thermal Bridging and Thermal Breaks Matterin Construction. Please check your entries and try again. Thanks for contributing an answer to Home Improvement Stack Exchange! It is coated with a high performance, flame retardant cold weather acrylic adhesive that does well in low temperatures and provides a strong and secure bond. Is torn kraft paper vapor retarder in the attic a problem? Is it ethical to cite a paper without fully understanding the math/methods, if the math is not relevant to why I am citing it? Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, We've added a "Necessary cookies only" option to the cookie consent popup, Ticket smash for [status-review] tag: Part Deux. A common practice up here is to blow in a couple of inches of cellulose as a cap to add insulation and reduce air infiltration. Use a fire rated caulk for electrical penetrations and flashing plus caulk for larger openings, like plumbing. It offers high puncture and tear resistance, ensuring a long life and durability in various conditions and applications. More importantly, energy efficiency and occupant comforttwo key ingredients of sustainable designare driving the use of air barriers across market sectors. I was happy to hear this as Ive heard from a number of people (including local insulation specialists) that they often find mold in walls where there is house wrap on the exterior and a vapor barrier on the interior side. Write by: . Consider this direct quote from Building Energy Code Resource Guide. Indeed, trend reports indicate that overall, tapes used on job-sites will outpace the overall construction industry growth (3%-5%) with an estimated 6%-7% annual growth rate. I always attach it to the face of the studs, but this FH article installing fg says you should staple to the side of the studs. When I asked a salesman about it, they didn't understand what I was looking for. @ STU - If you're not going to drywall then you should use a kraft faced insulation and be sure to seal all the seams well. The very best thing to do is call the manufacturer tech line for the wood/laminate or other covering and MAKE SURE you are talking to a tech guy and NOT a rep/sales rep. How do I withdraw the rhs from a list of equations? Whether or not that's the brand name, I'm not sure. The number of distinct words in a sentence. In retrofit this is usually 3" on each side and 6 on one . Almost all of the "stucco tape" and "sheathing tape" I found is for temporary hanging of plastic. Vinyl Tape. Although most applications in my area (Iowa) use a secondary 4 mil poly vapor barrier anyway, so the batts really aren't being counted on to be a . Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. Seal any joints or gaps using foil tape, which adheres to ducts. Lamart is committed to providing innovative and cost-effective solutions for a wide range of construction needs. Can you provide any data to back up the HD associates claims that this is the proper product to use? Position the end of the tape at the start of the seam and roll down with one hand while smoothing down the tape with the other. PS.. one of the manufacturers specifically says to seal the seams with good ole duct tape. on top of these panels i will put 2.5 metal studs. Ask for the nerdy guy, he has all the legitimate answers. It's not a very tough material, and it's not an air barrier. Tabs are the extension of the vinyl facing past the fiberglass insulation blanket, used to seal or create a finished edge for the seams. Aluminum foil tape may be used for shielding and covering thermal insulation. http://www.insulating-products.com/pdfs/Installation_FAQ.pdf, http://www.certainteed.com/addition75_-_Stapling_Methods_and_Vapor_Retarders.pdf, http://www.energysavers.gov/your_home/insulation_airsealing/index.cfm/mytopic=11810, http://www.ornl.gov/sci/roofs+walls/staff/papers/143.pdf, http://www.mybuildingpermit.com/Inspection Checklists/03IRCMBPMechanical rough in checklist.pdf. Hot plumbing pipes such as water heaters, boilers, and gaskets benefit from a high-temperature woven fiberglass tape. To limit air leakage, builders use tapes to seal the seams of a variety of membranes and buildings products, including housewrap, polyethylene, OSB, and plywood. Should I repair the kraft paper vapor barrier after remodeling work? Secure the fiberglass insulation in place around the boot with foil-faced duct tape. The foil-faced product is fairly new and solves one key problem: Unfaced EPS absorbs water. I agree the aquabar product is probably better than individual batts due to fewer seams, and itll probably be easier to install too for the same reason. looks like ill be heading over to get some tuck tape and maybe a poutin. Aluminum foil tapes are used on seams and joints of fiberglass and aluminum backed duct board. I plan on face stapling the paper to the bottom chord of each truss. I think they still have them, the accordion style works very well if you have a number of larger open areas within the truss structure. Furthermore, uncontrolled air leakage could have consequences beyond increased energy consumption, regarding health and safety of the building occupants, as well as premature deterioration of building materials. Vapor seal tape comes in a roll with marked edges which makes for fast application. to be honest with you i dont really know the "brearhability" of a house is supposed to work. You don't need to fasten. JavaScript is disabled. A tape for vapor barrier seams needs to be flexible. The results were self-evident, and since then, most North American building codes now require builders to include details designed to reduce air leakage. i will tape the seams with the tyvek tape. You wouldnt normally use a plain kraft paper layer for this, youd use one of the smart vapor retarders. Tape the plastic to the walls and seal the seams with tape or hold them in place with lumber or rocks. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. And, of course, more tape will be used to do this. Heat loss is a waste that contributes to higher utility bills, not to mention discomfort in a cold, drafty house or building. It is coated with a high performance, flame retardant cold weather acrylic adhesive that does well in low temperatures and provides a strong and secure bond. so you dont think it has anything to do with my sealing insulation upstairs? Unroll a length of 4-mil polyethylene, commonly called either poly or simply plastic sheeting. For a better experience, please enable JavaScript in your browser before proceeding. The Fora platform includes forum software by XenForo. Here's a quick primer on fixing draft-prone spots. *Thanks for the info. Nothing some tape cant fix! 1.89 in. *IMHO: If you have to use kraft faced bats applied to the face of the stud offers a much tighter job. Some builders rely on batts with attached kraft-paper facing to do that job, but Tom recommends unfaced batts, covered in plastic with all the seams taped shut. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Unless local code is requiring a vapor barrier, for which the Kraft usually doesn't qualify, your painted drywall and good attic ventilation should be sufficient. I've been using mineral wool, airtight-ish drywall, and Ben Moore 573 vapor retarding primer as I remodel my house. I felt like duct tape works better. That Intertape bonded well, but not as sticky and nasty as duct tape. Is this true. I found some duct tapes that were rated to bond 20 yrs. When specialty facing isn't required, Kraft faced insulation is the top choice. are patent descriptions/images in public domain? Foil faced insulation rolls are compact, thin and lightweight, which makes the installation process quick and easy. Replace the non paper-faced insulation on the exterior wall with Kraft-faced insulation from the bottom of the existing course of CBU, all the way to the floor. You dont need to fasten. To find out more, please review our privacy policy. Pressing the Escape (ESC) button will close the modal and bring you back to where you were on the page. Can patents be featured/explained in a youtube video i.e. The best answers are voted up and rise to the top, Not the answer you're looking for? If any ads are present below my answer or words underlined/colored, I do not condone/support/use the product or services listed/linked to, they are there without my consent. Kraft-faced insulation should be installed in exterior walls, exterior basement walls, and attic ceilings by pressing the product into the wall cavity with the paper side . Our resource library with articles, customer spotlights, and industry insights. I looked up Intello, MemBrain, and Aquabar B. JM FSK-25 Faced Fiber Glass Insulation. Tri-directional reinforced (extra strong) UL listed white polypropylene/scrim/kraft lamination. Tape is reinforced with fiberglass. Can I add unfaced insulation on top of faced insulation which is on top of cellulose? It is UV-stable and sticks #1 Home Improvement Retailer. an dfrom the tests i performed, i think the air is being lost out the ceiling( right now its not finished, just kraft faced r38) becase when i open windows in the basement where the furnaces are, the down draft in the unused chimney gets "less". To find out more, please review our privacy policy. If the tape is too thick, its flexibility wanes. For example, a seaming tape needs adhesion that is sticky enough to cling to whatever seam you apply it to but not so sticky that you cant unroll the tape. I've installed LOTS of different products and many of the instructions for those different products give conflicting advice. There's tape for duct work (which isn't duct tape), plastics, drywall, etc Could you imagine someone using duct tape for taping seams on drywall? I ask because the typical installation kraft batt is not "airtight" and it seems like an Aquabar installation would be much better in terms of continuous layer. This is to maintain the integrity of the paper/tar face as a vapor barrier. i guess its time to get to work! The pneumatic staple gun helps, a lot. For example, some codes call for a continuous vapor barrier for any ceiling, floor, or wall insulation. Im more familiar with MemBrain myself, which is a very thin nylon sheet that becomes more vapor open as humidity levels rise. It looks a lot like polyethylene, but it both works and feels (physically) very different. Walls and seal the seams with tape or hold them in place around the boot foil-faced. Seam tape ( 78 ) Questions & amp ; answers foil-faced product is fairly and! Torn kraft paper vapor retarder in the atic or are you ust the! Your work are guaranteed of your work are guaranteed feels ( physically ) different! Spotlights, and Ben Moore 573 vapor retarding primer as I remodel my house and rise the. Paper impermeable to water vapor 573 vapor retarding primer as I remodel my house,. 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