It is doing SOMETHING. The bubbles also stop conduction. These websites (promoters of fiberglass, cellulose and foam board) throw any product under the bus that prevents radiant heat transfer (the primary source of heat-flow). works for me While spray foam is expensive, its installation costs are offset in the long run by lower heating and cooling costs. Leaving the fiberglass batts in place, and installing foil-faced polyiso that is at least 1 inch thick, would be the best approach, in my opinion. When fiberglass insulation becomes moldy, it must be discarded. foiled bubble wrap Do you intend to install it on the underside of the sloping top chords of your roof trusses? We inform our consumers that it is a system - We are above board. Foil Faced Insulation: A Guide To Types, Benefits & More This was back in the year 2000. Reflectix is a little thicker than a quarter-inch (5/16-inch). Duct sealing and all ceiling penetrations is definitely priority number one and will be completed first. He was much bigger than me. GreenFiber, LLCCharlotte, NC888-592-7684www.cocooninsulation.com, Cellulose Insulation Manufacturers AssociationDayton, OH 888-881-2462, Johns Manville Building Insulation Division, BioBased SystemsSpring Valley, IL800-803-5189www.biobased.net, Thermal-fiberWabash, IN888-834-2371www.thermafiber.com, Low-density polyurethane spray foam:Icynene Insulation System 800-758-7325www.icynene.com, Foil-faced polyisocyanurate: Dow Chemical CompanyMidland, MI. I guess everyone on this site not your "groupie". Funny how big money makes friends. 1. So stop it with this stuff you're pulling out of thin air - because you can't support it. Found in the insulation aisle, Reflectix comes in tightly spooled rolls of shiny, reflective, foil-look insulation that resemble bubble wrap. Mr. Holliday continues with his lies. Response to Lloyd Alter Misleading article written by Martin Holladay, GBA Advisor STYROFOAM. To blanketly throw PRODEX under the bus in favor of rigid foam board which can hardly compare is ludicrous. inside, on, or behind my vehicle. Cons. Response to Malcolm Taylor R-value measures how resistant types of insulation is based on the type, thickness and density of the insulation material. Thanks for sharing your experience. It's hard to visualize where you want to install the bubble wrap. Johnathan Barber Radiant barriers stop only one type of heat transfer: radiant heating. Martin says, "The only remedy to these misunderstandings is the drumbeat of education." The exterior walls are a water tight vinyl and I doubt its very breathable Would love any suggestions for creating an insulated cavity against a vapor tight exterior wall, as we are now very reluctant to place cellulose between two vapor barriers- thank you! foil in middle wood-foil-wood R=3.92 (each air space 0.375 inch). Fortunately, we know what the air gaps do. Thank you again Adam for post # 81. In general, it's a bad idea to install a vapor barrier like foil-faced bubble wrap on the exterior side of a cellulose-insulated wall in Vermont. It reads, 'see "(Technical Data" tab below)." Good marketing and sales are supposed to create the most positive spin and it's up to an educated consumer to figure out if it's for him. Popular foil insulation rolls include double bubble, single bubble, under concrete, & floor joist. The illustration above shows how Tom Silva maintains adequate ventilation and avoids those problems. There are plenty of fantastic applications of Prodex featured there. Reflectix is a brand of double-reflective insulation. Reader, are you beginning to get the picture? Whenever to you include "All" you'll make this error. The article will appear to educate - It will link an ICC-ES report or some other government document about insulation. I guess everyone on this paid subscription site isnt drinking Mr. Martin Holladay's cool-aid. (Liquid foam insulation materials can be poured, but they require professional installation). Foil Faced Bubble Wrap Is NOT as Good as Prodex Total. You don't know which way to filter the story until you know which way it was slanted. In addition, Reflectix can be a little bit pricier than other types of insulation. In this case, it is facing air gaps on both sides. MARTIN, I started my activity here with a comment title: "I am sad about the Tone and Title of this post on GBA." Fiberglass duct wrap Insulation is rated by its R-value. I've also used it as for sun shades in my camping trailer and to make insulated boxes for grocery runs. Hopefully you are winding down. I understand people do things because they feel it's in their best interest. I have a guess but rather than conduct myself as you have and call you a "Bad Apple" as you have referred to us, we'll give you a chance to clarify for your readers what you really mean. July 13 - Matin jumped into action within 20 minutes to help "Ujjwal Sharma" with her pink and mylar purse, yet you still haven't addressed a single point. When used correctly the foil/bubble product can be quite effective. As I understand it, a yurt has flexible walls. Please tell us exactly what you're talking about.". Soon, I hope. I for one don't care what color my Prodex is and would buy the product if it were pink, blue, purple, or black, because I love the way it installs. Greg, If it doesn't insulate it will it at least keep the edge off the radiant heat and stop it from sweating? That's not real world conditions. That's not insulative It appears it would differ in winter and summer. Q. or cellulose. That's what makes this so damaging. That would increase their sales! A. 3. Documented, verifiable test results are documented verifiable test results. There are all kinds of materials to stuff in, nail on, spray on, or blow into walls and ceilings to lower your heating and cooling bills. It does not stop heating by conduction or by convection. ft roll - Attic Foil, House Wrap, Reflective Insulation - Perforated, Breathable - Engineered FOIL (Blocks 95% of Radiant Heat) Visit the INSULATION MARKETPLACE Store. R2 is what I've seen for a single radiant barrier facing an enclosed airspace, varying with temp. So now I guess your readers are expected to believe no government agency, (Federal, State or Local) has the will of power to make us stop such activity? Reflectix can help with any areas where cold air is blowing into your house. The springs on the garage door did not need any adjustment for a 8x16 ft door. However, the air in the attic is in constant direct contact with that hot radiant barrier. With a staple gun and some tape I (we) can make miracles happen. 2. If you add two 3/4-inch-thick air spaces to either side of a one-inch-thick layer of foil-faced polyiso, you could come up with a considerably higher R-value than the value stated on the label (usually R-6 or R-6.5) -- but reputable insulation manufacturers choose not to make these illegal claims. Used it on garage door You also can't defended your selective prosecution of us rather than the more blatant abusers in the market place - the big boys that advertise with you. I don't live in my attic so a few degrees lower than it would otherwise be is good value for me. R-2! They may be unhappy with some of the things they read on GBA, but they suffer in silence. This rating takes into account a company's size in its relation to complaints. Response to Robert Kidd If you can manage to create a 3/4-inch air space with shiny foil on one side, the R-value of the air space will be about R-2 or at most R-3. So I have just sent an e-mail to Dave Yarbrough, and insulation expert, to get an authoritative answer. I wrote "not appreciable" effect the R value. 3. Our mission is to expand the role of fiber-based solutions for a sustainable everyday life. The 13/64 inch thick layer of foam insulation provided by Prodex has an R-value of a little more than R-1. You seem to have a vendetta against flexible insulation and foil-faced insulation which I find amusing. One of your paragraphs begins with this (not very grammatical) sentence: "3. The second error was to buy a bubble-wrap foam product to install on the interior of your walls. Simply Google this phrase: Bonus Room Comfort Solution A good roofing contractor who is familiar with low-slope roofing systems should be able to give you a bid on the work you need: a new layer of rigid foam insulation, topped by new membrane roofing. Every contractor has unique talents, capabilities and constraints. Response to Gerard Celentano Is it worth the expense and effort ? If it does develop mold and mildew, it can be cleaned off. I think it is -- in part because the scammers are still using exaggerations to market their products, and in part because the FTC has failed to shut these people down. by Jeanne Huber Anthony Tieuli In a region where January temperatures consistently hover below freezing, you really don't want to be living in a house with no insulation. That's not much. These wraps are very hard to retrofit on to exposed ducting that might be hanging from joists. It is applied in such a way so that slack is in the material and it creates about a 12" maximum air gap between the two layers. R-value of Prodex Total The product is usually stapled in place unless otherwise advised. Not only is Reflectix clean, neat, and tidy, but the product literature also states that Reflectix offers thermal-blocking R-values of up to R-21. These products probably would have been cheaper -- and guess what, these products have an R-value. Large airspace 3"+ Having proponents of poor products offering half-baked defences is getting tiresome. To paraphrase Joe L,where were the adults when this level of insulation was deemed adequate. Again, Foil Bubble Wrap in Air Supported Structures Shame on the FTC for letting these marketers fleece gullible homeowners and builders. In this application, the shiny foil is clearly not facing an air space, so the exaggerated R-value claims made by bubble-wrap manufacturers were particularly outrageous. Model # BP24100. Unfortunately the ducts are in the attic and it would require a major overhaul to the HVAC system and 2nd floor to change that, so insulation in my next consideration. Stay Away from Foil-Faced Bubble Wrap - GreenBuildingAdvisor Can you recommend something as thin that isn't too costly? "You wrote your article on March 24, 2104. You also write "The last time I checked, Prodex was being manufactured and distributed out of Alajuela, Costa Rica -- a fact which may or may not be relevant to the legal sophistication of its marketers.)" I used this product on my west- facing uninsulated metal overhead garage door on my old house. That has nothing to do with this discussion. I do not promote any product. As far as Tom Silva is concerned, low-density polyurethane spray foam is the insulation technology to beat. As is the case with most thermal insulations, the R-value depends, for example, on temperature and spacing or thickness. I live in NY and spray foam is being used heavily to satisfy new local energy codes. One minor usage of bubble wrap No expectations of "R-value" Claims by the manufacturer are exaggerated and they're expected to be. Mr. Holiday - It's not fair or honest to cut off the disclosure to make your false point. Mr. Holliday, did you tell the FTC that? Second, we don't get dialogues like the one on this page very often -- but it happens. Most insulation products use deception to sell their product. I made window shades out of it. The product is more like a Thermos jug, in that it reflects heat back, rather than mass insulation such as fiberglass. However the one I bought did include 1/4" thick foam spacer strips to wrap around the tank first to help provide an air space before wrapping the foil around it. Tests show that a radiant barrier in an insulated attic can lower attic temperatures by as much as 30 degrees. Reasons to Install Reflectix Insulation - The Spruce The R-value of this product is probably less than R-1. There is nothing wrong with that agenda. Great article by the way and thanks for your time. Jin, Board Insulation at Lowes.com Material has to go through a 2X2' access and work around a lot of trusses. The only way Jon, Its the wisest way to invest that I know of, he says. Here you go: Prodex Headquarters are at Zona Franca Bes Coyol Alajuela, Alajuela 330-4060, Costa Rica. At least that is an easy fix. Thanks I came into his house (a forum of his paid subscribers partial to your opinions) and spanked him with the truth. Unless you have resisted using your secret super-powers, that would have allowed you to fix this regulatory problem. 1. I think anyone who believes high R-values about a product like this gets what he deserves.". For more information on R-value, see Understanding R-Value. Response to Joseph King Installing Foam Board Insulation Between Studs. The role of aluminium foil in underfloor heating installation Aluminium is characterized by its good thermal properties. He refuses to admit http://www.Insulation4Less.com either puts the parameters of the R-value shown on the page or embeds a link in the R-value to display the parameters. In that application the low-E of the bubble wrap gives in another bit of thermal performance to protect the cases on the sunny side of the pallet from cooking while on the loading dock in full sun (R3.8 foam wouldn't quite do it, I'm sure.) Since the product often costs more per square foot than 1-inch thick rigid foam rated at R-5, why would anyone use bubble wrap as insulation? How Insulation Works Insulation decreases the amount of heat entering from outside when it's hot and traps warmth inside when it's cold. Did you notice he avoids addressing much of what I wrote. There is a good reason why radiant barriers are only really effective in vacuum of space.
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