C. Your answer "If you add an air space on either side of foil-faced polyiso, the air space will have an R-value between R-2 and R-3." May need bubble foil to stay cool to keep the beers cool instead of sunscreen to ward off mosquitoesto make solar cookers what else?? Soon, I hope. Johns Manville R-2.7, 0.5-in x 4-ft x 8-ft AP Foil Faced Polyisocyanurate Board Insulation (#90001013) Dow R-3, .55-in x 4-ft x .
Advantages and Disadvantages of Reflective Insulation Johnathan R-value declines by as much as 50 percent at temps below 0 degrees F. Good for: Attic insulation, new construction, or retrofit work; R-value per inch: 4; Vapor barrier needed: Yes, Its closed-cell structure stops water and water vapor, resists compression, and holds its R-value over time. Ms Wiley-Smith told the hearing she and a colleague were given two days to plan and cost the scheme, which aimed to insulate more than 2 million homes. I have just received an e-mail from David Yarbrough.
SmartFOIL- 4ft x 250ft Industrial Grade Radiant Barrier 1000 sq. ft STYROFOAM. car windshields best remediation Model # 202631. 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.)" A. Can't support his contentions. Response to Keith Morris So, you are designing a "flat" (low-slope) roof that drains to a central ABS drain pipe, and you want to know how to insulate the drain pipe. The R-value of reflective insulation is not measured by the inch.
Bubble Insulation Radiant Barrier | EcoFoil Bubble Foil Insulation AP Foil Board Insulation at Lowes.com You think you're slick. Good for: In-ground foundation insulation, masonry structures; R-value per inch: 5; No vapor barrier needed. It would be nice if there were a source you could truly trust at its face value, but I've yet to find one (no insult to anyone intended). My Pasadena, CA home (summers hot), was built in 1953 and has a low-sloped asphalt cap roof. Q. With fiberglass insulation R-values ranging from R-15 to R-19 for two-by-four wall systems, Reflectix appears to be a better insulating material than fiberglass or other thick, dense materials. It is not a very installer friendly product. If not then I will add one more fact that incriminates your product. Would more rigid foam insulation be more cost effective, and/or would another asphalt roof with white elastomeric coating be just as effective? the cushioning binder wrap of a pallet of cases of wine. Figure it this way: R-4 per inch, divided by 16, times 3 = R-0.75. I use this product in the area where I house my indoor/outdoor container plants and start the veggie seedlings. The fines associated with deceptive marketing is far less then the profit made. I admit I had bought some years ago to staple to the underside of the trusses in the attic (before I could afford to do the r-50 cellulose), and I had extra to play with. However, if history is any guide, the underfunded enforcement arm of the FTC will be slow to respond. That's about all you get when you add that air space to foil-faced polyiso, and it's also all you get when you add that air space to the very thin products you sell. A much larger problem is when entities publish equally bogus information, but their political agenda is harder to discern. I have radiant tubing between joists, fiberglass, and planned on using the plain woven foil (no double bubble) stapled up with seams taped? Hard to design keeping in mind we do not wish them to freeze near the input on the roof?? Foil Bubble Wrap in Air Supported Structures For more information on this topic, see Keeping Ducts Indoors. The additional building cost was reasonable, and much cheaper than spray foam. Fiberglass duct wrap The complete source for building, designing, and remodeling green homes. Perhaps I should add a coat of that fancy NASA ceramic insulating paint. 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. Must be professionally applied. I visualize yurts as having fabric walls, but perhaps your American yurt is different. I can take a frozen bottle of water, wrap it in PRODEX, take it outside on the hottest, most humid day in July, and the outer surface will not condense. A. Unfortunately this type of 'bubble wrap "insulation" is the norm for 'winterization' of manufactured yurts in the US. One problem that you are facing is that Prodex is a foreign company with headquarters in Costa Rica. Or fastest delivery Jun 5 - 7. That's not real world conditions. You seem to have a vendetta against flexible insulation and foil-faced insulation which I find amusing. We're discussing Insulation4Less and Prodex. 1. You are correct that some "radiant people" use radiant barriers and others use "double bubble." 3) made squares out of it to sit on with the camp chairs inside, on, or behind my vehicle. I see that the govmint got money from the foil faced bubble wrap makers but that doesn't help me with my situation. Ideal would be to fill the space between the layers you have with some fluffy insulation, but that probably makes storage difficult. I have always regretted it that a client had me use this crap under slab instead of 2" of foam. 3/4" Plywood | Foil Layer || 3/4" Airspace || Foil Layer || Cement Siding (flat against foil), I can't quite determine what two opposing radiant barriers with and airspace between them is in R-value. A decade ago, when I was the editor of Energy Design Update, I noticed that many manufacturers of foil-faced bubble wrap were promoting their products for use under concrete slabs on grade. We've heard a lot of things it is not good for, how about some it is good for. Alternatively, since they are on the attic floor, can I just cover them as is with blown cellulose? If the studs are 16.5 inches on center and youre using batts made for 16 inches, youll have a crack on each side that air can move through, says Tom. ft roll - Attic Foil, House Wrap, Reflective Insulation - Perforated, Breathable - Engineered FOIL (Blocks 95% of Radiant Heat) 43. First of all, airtight construction techniques always improve the performance of a wall assembly. It still has a combined R value of 1 or less. Another observation: in this application, an ordinary radiant barrier (without the bubble wrap) would work just as well, and would be cheaper. Must be protected from solvents and sunlight. The only usage i've ever found to this product is wraping drains as it seals pretty hermetically with acrylic tapes and is fast to layout. Can you recommend something as thin that isn't too costly? Here is an example of misleading marketing from the Insulation4Less website: "This single bubble insulation product consists of 1 layer of 5/32" (4mm) polyethylene bubble that is sandwiched between two metalized, low emissivity surfaces. You wrote: "He is NOT an insulation expert". Young men have died installing this product That's what makes this so damaging. 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. All you need to know about reflective insulation: where to use it, advantages and disadvantages and the best type of insulation for your project. You wrote, "Claims by the manufacturer are exaggerated and they're expected to be. If you cannot or are unable to insulate the ceiling with fiberglass or foam, Reflectix is an alternative. Q. Every contractor has unique talents, capabilities and constraints. Insulation4less provides transparency by linking the Prodex Total R-value to the parameters of the testing. Richard, This won't delete the articles you've saved, just the list. Jonathan, You must be a magazine subscriber to access this feature. The product is usually stapled in place unless otherwise advised. Martin, In a slab conduction is the primary heat transfer. can anyone please identify what sheet is this.. It will be among those giant bales of fiberglass, rigid foam, mineral wool, or denim that can look daunting on the shelves of the home center. 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?
EcoFoil | Radiant Barrier Insulation | Save on Energy Bills Stay on point Mr. Holliday. Not every type of insulation needs a vapor barrier. It's unclear whether responding is wise. 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. I also made a little doghouse around the warm pipes on top of The illustration above shows how Tom Silva maintains adequate ventilation and avoids those problems.
Reflective Insulation: Everything You Need To Know 5 / 6.
Types of Insulation - The Home Depot The ceiling is bare though.and It has a thermostatically controlled propane heater which works well. Response to Richard Beyer Radiant barriers are (in most cases) vapor barriers. If you are interested in pursuing a lawsuit against Prodex, you should consult a lawyer. Funny how big money makes friends. one low emittance foil-wood R=3.08
Five rolls of R-13 fiberglass insulation also covering 200 square feet cost $150. The flexibility drives up the value tremendously and allows me to use it in ways no rigid product could ever be used. R-value measures how resistant types of insulation is based on the type, thickness and density of the insulation material. The oldest part of the city, cramped between the river and the mountains, lies on the right bank; the major part . 3. 42. The humidity in the air is not stopped by the cellulose insulation, and condensation can occur on the cold ducts (or the cold bubble wrap), leading to damp insulation or even a damp ceiling. If you want to see a photo of the domes, they are on our website at http://www.oaklandyard.com, Any insights you can give are appreciated. When is someone going to get around to prosecuting us? Q. Mr. Holladay. Inside the bubble wrap there was 1" sheets of Type-I EPS between the wine cases and the aluminized polyethylene bubble wrap. Please tell us exactly what you're talking about.". jonathan Q. Keith, I think anyone who believes high R-values about a product like this gets what he deserves.". They change the R-value of the product from R-0 (that's the R-value of the plain foil radiant barrier) to R-1.1. Most brands of foil-faced bubble wrap are only 3/8 inch thick or less, and have an R-value of only 1.0 or 1.1. In short, the bubbles help -- but not much. Second response to Bob Coleman 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. This feature has been temporarily disabled during the beta site preview. If you were really honest and wrote everything know out the issues relating to the other insulation types - all your advertisers would leave! For example, a 50-foot roll of Reflectix that covers 200 square feet costs around $120. two low emittance foil-foil R=3.23 Over 3 billion square feet sold. If you have any technical questions, I'd be glad to answer them. I made window shades out of it. Indeed, this story is old news; as I noted in the third paragraph, I have been writing articles on the topic since 2003. Yes, it is a radiant barrier by itself unlike others you are (over) promoting. ", Q. Should anyone buy the stuff not very often. A well-insulated house will make you more comfortable in every season. Bob, The article will appear to educate - It will link an ICC-ES report or some other government document about insulation. The question remains will he remove his slanderous comments about Insulation4Less and Prodex now or later. ProDex. For more information on radiant barriers, see Radiant Barriers: A Solution in Search of a Problem. Read our. Given those constraints do you have any advice for Jin? Or are you suggesting using a thin foil foam in conjunction with fiberglass (or roxul) in the bays? The effect of the bubble wrap (a type of air gap with thermal bridging) plus foil is captured by the test. I looked down on you and dared you to poke me again. In that article, I reported that one manufacturer, WE International, made absurd claims about a thin (5/16-inch) product called Concrete Barrier rFoil. Here is a link: I guess he finally had enough. Large airspace 3"+ Since its a rental we could not put in better quality, higher R-value cellular shades. Get daily tips and tricks for making your best home. They have no R-value. The Federal R-Value Rule is the law of the land, and it should be enforced. If you are impressed by R-1.1, this is the product for you. I am embarrassed to admit 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 addition, Reflectix can be a little bit pricier than other types of insulation. Can you confirm or correct this assumption, please? D. You write: "I feel secure in my reputation for impartiality. What about using the plain foil on the underside of my floor joists in the crawl space? The resulting buildup of moisture can soak the insulation (nullifying its R-value), foster the growth of mold, or even rot the framing. You keep talking about Federal Law and that we can be put in jail and have a huge lawsuit. Once again Mr. Holladay doesn't address the primary points: 1. Here's what the bubble wrap looks like on walls and ceiling at one of the large opening windows. What is foam board insulation? Martin You should remember that this website is frequented by architects, engineers and building scientists. Model # 108942. Many manufacturers sell duct insulation. If you want to install insulation around your water heater, the best products are those made of vinyl-faced fiberglass insulation. The Muse de Grenoble, right in the heart of the city, has an astonishing collection of 900 works of fine . Does the R value go up if 2 radiant barriers face that airspace from opposing sides? For example, in the area of heating within a house, aluminium can fully exploit its many advantages. Model # 12031499. If you ever decide that you want insulation between your studs, your mistake will come back to haunt you. I think anyone who believes high R-values about a product like this gets what he deserves. R-value per inch: 3.8; No vapor barrier needed if packed to a density of at least 2.6 lb./cu. They shut down one operation and it pops up later under a different name. It's hard to visualize where you want to install the bubble wrap. Jon, I know what I want and I want my projects to be fast and effective and affordable.
What to see and do in Grenoble Auvergne-Rhone-Alpes - The Good Life France The R-value of foil-faced bubble wrap is so low that it has few, if any, advantages over rigid foam. Reader isnt it obvious - He's doesnt like that he's been called out. Highly sound-absorbent. I have come to your house (your forum) like a man and called you out. Mr. Holliday, did you tell the FTC that? There was this one home with a tiny access on each side of the bonus room, maybe 18"x30" and after resolving the inset stapling and other mis-alignment issues we wrapped the bonus room and installed "blocking" in about 50 bays between the garage ceiling and bonus room knee-wall bottom plates in about an hour. I've even seen a triple layer product that expands on its own to include 2 air spaces inside. Good question. I got this insulated bag from australia.. want to know what is the silver sheet they have used. Fluffy bits of spun glass that are noncombustible and can't decay.
STYROFOAM Board Insulation at Lowes.com To blanketly throw PRODEX under the bus in favor of rigid foam board which can hardly compare is ludicrous. 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. I'm doubtful that you will succeed in such a claim, but I'm not a lawyer. I see this mistake all the time, Tom says. The Msage mine is an old 19th-century iron exploitation, located on the Saint-Pierre-de-Msage territory, just at the end of the Romanche valley, 25 km south-east of Grenoble. Whenever to you include "All" you'll make this error.
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