This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. 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. The foam board is nailed in place with washer head nails should be taped at the seams to prevent air movement. A quality seam tape needs to last a very long time. 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. Is it okay to not have a vapor barrier in lightweight tiny house type construction? PE-M4535 is engineered to adhere to a wide range of building materials and surfaces. Benefits of Seaming Tape in High-Performance Building, Blue Painters Paper Indoor/Outdoor Masking Tape (14 Day). Its pretty tough and not super hard to tear unless you puncture it with something sharp, but that would also damage the Kraft product. Do kraft faced batts actually function well as a vapor retarder? This site is protected by reCAPTCHA and the Google. Aluminum foil tape may be used for shielding and covering thermal insulation. when im heating with either one, im getting a down draft from the other one. Will you have useable space in the atic or are you ust insulating the attic floor? Additionally, the International Energy Conservation Code (IECC) and several state energy codes now require the use of air barriers. Sealing the seams keeps the warm air inside and the cold air outside when the temperatures drop. :-). To find out more, please review our privacy policy. A scrap of plywood under the batt will protect finished floors and keep the blade from dulling on concrete. The fiberglass manufacturer recommended stapling on the face of the studs, with each batt overlapping the paper of the next. After putting up our insulation, there's a few horizontal seams and tears as a result of making room for wood blocking, sockets, strange stud bays, etc. A Faced Insulation is stapled onto the framing with the paper side facing the home's interior to install it. I'm thinking I will put in the extra effort. These things are awesome for this kind of thing, HUGE labor savors. Helping You to Do It Yourself! on top of these panels i will put 2.5 metal studs. We work together seamlessly across the USA and Canada. Is it OK to leave outside Christmas lights on all night? Vertically installed strips would have seams on studs where theyd be easy to keep tight together. *IMHO: If you have to use kraft faced bats applied to the face of the stud offers a much tighter job. I was told that to maintain the vapor barrier all of the joints should be taped. Kingspan GreenGuard Seam Tape adds an extra layer of air and moisture protection to structures. FSK Tape Foil-skrim-Kraft tape (FSK tape) is used to tape seams and joints on any FSK faced insulation. Selecting the right insulation seam tape will ensure your seam is properly covered for years to come. Without those sealed seams, there can be a lot of issues such as damaged walls and mold to contend with. Aluminum foil tape may be used for shielding and covering thermal insulation. So, no matter what project comes your way, the quality and reliability of your work are guaranteed. It has to mold perfectly around the contours of the seam. 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. Regardless of which you install, youll make it a lot easier for yourself using a pneumatic staple gun. 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 . 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. If in same room, they may need an outside air source. When I needed some of that tape last year, I went to Lowe's and asked for it. Which also means the un-faced side (where you don't tape anything). But, why is it that if you are using a 6 mil vapor barrier with un-faced insulation, every seam and pinhole have to be taped. Here are some considerations to think about: Every tape has a particular level of adhesion, designed for different uses. I am not required by code to install a vapor barrier between insulation and drywall. 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. Many energy experts recommend R-15 to R-20 for far northern states. For insulating purposes, you want a tape that is flexible and easy to tear. Why was the nose gear of Concorde located so far aft? If you are installing insulation and have to piece it together and it has paper on one side, you tape the seams to get a better seal. PE-M4535 is a proprietary high-performance building tape, made from an advanced polyester backing, which makes it extremely strong and easy to apply. *RD. If the fiberglass insulation has no paper at all, it is unfaced and has no vapor barrier and does not need taping. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Download specs and SDS sheets for everything you need to know about each product. 1 job of any building enclosure is environmental separation. Tapes have become much more commonplace in the construction industry today than they were 10 years ago, Joyce says. 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. Product Details Nashua Trusted Tapes get the job done right, the first time, every time. One of the best options for insulation seam tape is aluminum foil tape. It only takes a minute to sign up. I've installed LOTS of different products and many of the instructions for those different products give conflicting advice. Today, tapes have transitioned into high value and highly functional products that enhance building airtightness, prevent water intrusion, and even increased roof safety and integrity in high wind events. Place the insulation with the facing side down on a piece of scrap plywood. PE-M4535 is engineered to adhere to a wide range of building materials and surfaces. BILD-R-TAPE Construction Tape is an acrylic based, pressure sensitive adhesive tape combined with polypropylene film. The main difference between faced and unfaced insulation is that faced insulation keeps moisture out because it is lined by Kraft paper or plastic, whereas unfaced only provides insulation. i guess its time to get to work! This will minimize the chances of any water/vapor seeping through. but if i open a window in the upsairs it gets worse. 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. Helping You to Do It Yourself! This adhesive provides an excellent barrier for vapor. 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). That's a great price. Aluminum foil tape adhesive works great on uneven surfaces and textures. JM Fireblock Foam Sealant. Extruded Polystyrene. i will tape the seams with the tyvek tape. Any thoughts on this?jim. . It only takes one leak to compromise the entire structure. That makes it ideal for use on pipe insulation. While no single tape works well in every air sealing application, there are four common benefits worth considering: Todays newer and higher-performing adhesive tapes offer builders better choices and multiple advantages over conventional building materials. i used 3/8" fanfold on my house and the tape was kinda like a thicker from of the clear looking packing tape, is that what your refering to? PE-M4535 is a next-generation seaming tape for the construction professional looking for superior performance. Kraft faced fiberglass batt insulation has a kraft paper facing with an asphalt coating that creates an impermeable barrier to water vapor. Effective air sealing air control, moisture control, and protection of finished materials depends on both the materials being used (what are you taping?) My only problem was when my three year old daughter helped by poking holes in the membrain with a drywall screw she found. Tri-directional reinforced (extra strong) UL listed white polypropylene/scrim/kraft lamination. * Does anyone tape the joints of kraft faced insulation? *How do you guys install FG kraft-faced insulation? Pressing the Escape (ESC) button will close the modal and bring you back to where you were on the page. Secure the fiberglass insulation in place around the boot with foil-faced duct tape. I think you use the same kind of tape they use on Tyvek house wrap. Tape can create a continuous barrier when applied correctly, which is what you need an air seal to be for it to be effective. I called on manufacturer of "sheathing tape" they said bond is only good for 2 years MAX. any body have any opinions on whats the best kind of tape to use to seal kraft faced insulation? Choose a tape that has been tested through all kinds of extreme temperature and moisture environments. Then I explained what I needed it for and they showed me the tape for the Tyvek. Two examples of these are certainteeds MemBrain and Intello. Are there conventions to indicate a new item in a list? Can a private person deceive a defendant to obtain evidence? JavaScript is disabled. Good to Know An unconditioned or vented crawlspace has ventilation to allow outside air to circulate through the area. Learn more about Stack Overflow the company, and our products. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Passivhaus) construction. We recommend taking into account the following: There are different requirements for building codes that a builder must follow for installation. This helps minimise the risk of dirt or dust compromising the application. This will create a complete moisture barrier and keep out drafts. You don't need to. Can I add unfaced insulation on top of faced insulation which is on top of cellulose? What do you suggest needs sealed prior to sheetrock on the ceiling? It offers high puncture and tear resistance, ensuring a long life and durability in various conditions and applications. Whether or not that's the brand name, I'm not sure. Coated with a rubber based pressure sensitive adhesive, they provide an excellent barrier to vapor and conform to irregular surfaces. Faced Insulation is a type of roll or batt insulation with a kraft paper attached to one side which acts as a vapor barrier. 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