The house was built in 1931 and the attic was designed to be a finished area. The Intelloat least the site at which I viewed it didn't say anything about it being a vapor retarderjust said it was to hold blown in insulation in place and it's expensive, so if it's not necessary, would rather avoid the expense and the trouble. Heat loss is a waste that contributes to higher utility bills, not to mention discomfort in a cold, drafty house or building. This site is protected by reCAPTCHA and the Google. Nashua FSK insulation tape is designed to seal Foil-Scrim-Kraft (FSK) faced fiberglass duct board and pipe insulation. Membrain to every stud. What Tape Do You Use for Insulation Seams? And theyre going to become more and more so as air sealing, energy efficiency and durability become more important, and builders are becoming more educated about the benefits of tapes over other sealants or flashing materials.. If theres a good swap of air or you can feel a breeze when its windy out, youll want to seal that out. Everbilt Seam Tape is a self-adhesive tape that can be used to seal seams on building wrap and rigid insulation boards, adding protection against air and moisture penetration. Many energy experts recommend R-15 to R-20 for far northern states. You have all these same issues with the Kraft paper product though, so membrain is no better or worse in terms of taping except for having far fewer seams that will need to be taped. Shipping online to USA only. Regular Teflon Thread Tape (Blue) Heavy Duty Teflon Thread Tape (Pink) :vs_worry: If the sheet rock is taped and gets a couple of coats of paint, the taping of the seam on the kraft paper is more meaningless at that point. Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. Foil tape also is a good shield for thermal insulation. There are many things to consider when applying tape to batt insulation. Its very easy to place a staple wherever you want it, and it takes very little effort to squeeze the trigger, since the air pressure is doing all the work. Seaming tape is very easy to use. This feature has been temporarily disabled during the beta site preview. Aluminum foil tapes are perfect for seams and joints of fiberglass and aluminum backed duct board. Unfaced means the insulation lacks a vapor retarder (paper or plastic facing). Is this true. In Europe, they tape up everything when building or retrofitting to create an air-tight seal, says David Joyce, nationally known construction and tape expert, and owner of Synergy Companies Construction LLC. This "would" be going over insulation and under drywall and concrete tile-backer. In most climates, it needs a vapor barrier. More importantly would be air sealing around any ceiling light boxes and air tight (AT IC rated) recessed fixtures. You are leaving StineHome.com to enter our dedicated Rug Store website. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It must be covered with gypsum board or another approved interior finish. However, after a trip to the local Home Depot (USA), I came up empty in my search for Tuck Tape. The foam board is nailed in place with washer head nails should be taped at the seams to prevent air movement. Why do we kill some animals but not others? and also if i completly seal the door zto the basement the down draft gets "less"(sorry about the termanology). A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. 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". Membrain to every stud. Aluminum foil tape adhesive works great on uneven surfaces and textures. i will tape the seams with the tyvek tape. 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. I would be using a tuck tape, something I used on the house wrap and vapor barrier that is supposed to hold up to temperature changes. In fact, you don't need kraft-faced batts at all. Also running caulking along the perimeter of fixtures where drywall butts up against them. These tapes have been developed with the support of top-of-the-line aerospace engineers and experienced product development experts. Made from an advanced polyester backing, it is extremely strong, yet can still be torn by hand, which makes it easy to apply. Kingspan GreenGuard Seam Tape adds an extra layer of air and moisture protection to structures. *How do you guys install FG kraft-faced insulation? Both products can tear or get punctured the drywall going up if youre not careful, but its really not difficult to avoid damaging either product as you do the next steps in the build. PE-M4535 is engineered to adhere to a wide range of building materials and surfaces. You want one that shoots regular handheld staple gun staples, not the larger narrow crown staples. Use a fire rated caulk for electrical penetrations and flashing plus caulk for larger openings, like plumbing. Assuming youre using the drywall itself as your air barrier, you dont need to do anything special to seal up either the aquabar or membrain products. Membrain can be detailed as an air barrier if you want, the Kraft paper products can not be. Insulation over ceiling drywall nailers or scabs. Hover Image to Zoom. The adhesive will burn up, but the aluminum will stay, although it will become brittle by the heat. If the poly is below the dew point, you get condensation on the poly. 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. This type of tape has a rubber-based coat and strong adhesive. how to cover rigid foam insulation. Avtually The statement from the CCMC refers to exterior sheathing NOT interiror vapor barrier. Otherwise, get the same size as your batts & just put the foam on top. Free Store Pickup Today. The greatest challenge in this endeavor is maintaining the continuity of our air barriers, drainage planes, and insulation layers, particularly at penetrations, transitions, and margins of building assemblies. Coated with a rubber based pressure sensitive adhesive, they provide an excellent barrier to vapor and conform to irregular surfaces. Hot plumbing pipes such as water heaters, boilers, and gaskets benefit from a high-temperature woven fiberglass tape. Continuous Insulation What is it and why do we care? Even engineers were ignorant about hot and cold air leakage in buildings because the basic research hadnt been done yet. The Fora platform includes forum software by XenForo. 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. The pneumatic staple gun helps, a lot. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. Thanks for contributing an answer to Home Improvement Stack Exchange! Is the insulation faced? Unfaced Insulation ; Kraft Faced Insulation ; Foil Faced Insulation ; Poly-Encapsulated Fiberglass Insulation . It will help reduce monthly heating and cooling costs for the life of the Our resource library with articles, customer spotlights, and industry insights. This level of adhesion also needs to last for a long time. Less stapling too if you just span over large sections of wall. i just thaught this was the wrong solution. 1. be made of water-resistant materials manufactured for that intended use; 2. be installed according to the manufacturer's installation instructions; 3. comply with either ASTM C578 or C1029, as applicable; 4. be covered with a 6-mil polyethylene slip sheet over the entire exterior surface; and What type of tape is used to seal vapor barrier seams? There might also be specific codes to meet concerning the type of insulation tape. Used as a closure system and vapor seal on VR faced insulation. When it gets warmer, the reverse happens; cool air stays in, and hot air is kept out. This is a dialog window which overlays the main content of the page. Insulation, including polysio-cyanurate and reflective insulation, Vapor barriers, including polyethylene films. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The house was built in 1931 and the attic was designed to be a finished area. Dont think about a vapor retarder as absorbing moisture. Does faced insulation need plastic? Any thoughts on this?jim. Faced expanded polystyrene (faced EPS) is the least expensive and has the lowest R-value (about R-4). At Insulation4Less, our foil fiberglass vinyl insulation comes in two sizes. I personally would spend the extra money to use MemBrain over the asphalted kraft paper as I believe MemBrain to be a superior product (and Ive used it, although my experience with the kraft paper is just as a backing on Fiberglas batts). i guess its time to get to work! Try posting this, with pictures of the closeness of the flues in the HVAC forum. When you reach the end of the insulation or item you are taping, slice at the roll and apply pressure to the seam. It wasnt until the late 70s when the first residential air barriers were installed in Saskatchewan that pioneering Canadian builders began sealing the seams of interior polyethylene sheeting with Tremco acoustical sealant. It only takes one leak to compromise the entire structure. To stay ahead of these changes, and meet the needs of high-performance builders across North America, weve recently launched a new seaming tape that uses advanced adhesive technology to stick to just about anything. Several factors go into choosing the best construction tape for vapor barrier seams. That makes it ideal for use on pipe insulation. Tapes have become much more commonplace in the construction industry today than they were 10 years ago, Joyce says. In addition, a growing number of municipal authorities having jurisdiction (AHJs) and green-building trade groups are calling for their use. There is no different between them in that regard either. Around attic windows: Use canned, minimally-expanding spray foam (DAPtex Plus Window & Door Foam Sealant, $7 for 16 ounces; a mazon.com) around the casing, and foam weatherstripping to seal leaks around the sash and jambs. A good shield for thermal insulation crown staples on top the house was built in 1931 and the attic designed. Do it yourself-ers and Home improvement enthusiasts kill some animals but not others the termanology ) cool air in! Pressure to the local Home Depot ( USA ), i came up in. In addition, a growing number of municipal authorities having jurisdiction ( AHJs ) and green-building trade are! To Home improvement Stack Exchange or item you are leaving StineHome.com to enter our Rug... 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