Yellow insulation, then, can be considered the generic color though again, the differences are negligible. or AFB. Some brands offer things like no itch wrapping that helps to keep fibers under control (though you should always wear protective clothing and gear when installing insulation) or paper-faced insulation that allows for easier tucking into the bays. R-19 is R-19, R-36 is R-36. A few posts have referenced Knauf EcoSeal and Owens Corning's EnergyComplete spray-on products for air sealing. Not a problem if supported by a frame, fabric, etc. For example, Owens Corning is the only company allowed to produce pink fiberglass insulation, while Johns Manville holds the trademark for the white and green colors. The truth is less dramatic than confused buyers would expect, however. A Look at State Premiers New Heat Pump Water Heater, Indoor Air Quality and Building Diagnostics. Owens Corning Insulation Overview; The minimum suggested R-value in the U.S. is R-30 in the climate zones one through three. Owens Corning: Whether you need insulation for your home or your business, Owens Corning is there to help. Pros. As contractors become more proficient with the application of EcoSeal, these performance numbers will get even better. Now, if you're looking to install the fiberglass yourself, Johns Manville has a page on the company's website that walks you through different areas of the house, as well as different materials. Both are just as viable as fiberglass insulation but are best used in specific situations. Where you live matters a great deal in deciding the type of attic insulation you need. But the breaks are pretty frequent and there is always overtime. Justin, you're right, this certainly wouldn't reproduce all of the benefits of flash-and-batt, which protects sheathing from condensation and increases R-value, as well as blocking air infiltration. I'm interested in EcoSeal as well - is this something that you can do yourself if you already have an airless sprayer? Getting an energy audit from a local utility company is the best way to know for sure whether or not your house is correctly insulated. Keep up-to-date on all future manufacturer price increases. Sign up for a free trial and get instant access to this article as well as GBAs complete library of premium articles and Faced insulation is also easier to install since the facing material provides a barrier to prevent air leakage. As a result, ACH50 numbers improve as attention to detail improves.like pre-installing drywall or OSB on the garage common wall; backing kneewalls with a rigid material; blocking open floor joists or trusses, reduction in mult studs, value engineered framing etc. This won't delete the articles you've saved, just the list. Fiberglass Insulation. Plus: Great sound absorption, low cost. 3.4 Global Top Thermal Insulation Material Regions by Sales (2016-2027) Knauf Insulation offers the same fiberglass formulation in both batts and rolls, in its EcoBatt and EcoRoll products. The 3 1/2 thick roll and batt for interior walls with wood studs, comes in R-values of 11, 13 & 15. Plus: A more eco-friendly, formaldehyde-free substitute for 703 at a similar price. This feature has been temporarily disabled during the beta site preview. Second, we also include links to advertisers offers in some of our articles; these affiliate links may generate income for our site when you click on them. What I am finding is a 7 page document. However, it is interesting to note that most builders with which we are working are starting to pay closer attention to the total construction of the envelope. Plus: Excellent sound absorption, low cost. Chris Brown Applications Attics Floors Walls . Interestingly, some of our better results have also been turned in by those who have self applied the product as opposed to having an insulation contractor apply it. There are two types of facing materials used in faced insulation: kraft paper and foil. All in all they are about the same. Leakage was 950CFM @ 50 Pascals. R-30 insulation will work best in the southern U.S. for attics, while it works best in crawl spaces and floors in colder climates. Plus: Well known product. By creating an account you agree to the Hunker, The Differences in Yellow, Pink& White Insulation. It is available in pre-cut batts to fit standard wall cavities or rolls that can be cut to fit any size cavity. Unfaced insulation, on the other hand, does not have a vapor retarder attached to it. Just like with other Knauf products, this one is easy to use and creates little dust. But in this case, it just didnt go away. ATS Acoustics Blog | They were smelling the fiberglass. Knauf Insulation ECOROLL INSULATION Model 5001671. racine horlick high school football Cuidados de Gnero. Plus, how long is the tape going to hold? Its important to note that neither of the products you mentioned are akin to flash and batt or flash and fill methods. Then when I cut it, the asphalt like adhesive that bonds the kraft paper to the fiberglass stuck to my knife blade and the blade stopped cutting. Knauf Board - Exact substitute for Owens Corning 703 - eBay (item 140269415297 end time Oct-22-08 06:37:00 PDT) Corning 703. They waited for the smell to go away before they put up the Sheetrock, but the smell never went away., At first, the contractor assumed that the smell came from another product. In some cases like the seams between multiple studs, there may appear to be a "gap" left on the surface area, but if the product was correctly installed, the sealant will have bridged the gap deeper inside the seam. Roxul's AFB is also known for exceptional fire characteristics and resistance to sag over time. Johns Manville Climate Pro blown-in fiberglass insulation is designed to fit into hard to reach cavities and corners. Should I care? Fiberglass insulation is one of the most common forms of insulation used today, both in the United States and in other countries. Capacity extension with new Rock Mineral Wool production line in St. Egidien (Germany) in August 2009. . I interviewed two contractors who have had this problem. I let some lay over night and in the morning it still looked like R-11. We will notify the customer if there are delays. Privacy Policy, It was nice to work with a company that clearly takes pride in what they do and strives to deliver great customer service. gb whatsapp delete for everyone. 2023 The Taunton Press, Inc. All rights reserved. Owens Corning supposedly has this new ASJ called ASJ-Max which is more water resistant than the old one. Plus: Familar brand name, good strength and rigidity. It comes in pre-cut batts or rolls. While foam is our forte, we have dealt with fiberglass in . Recommended spray tip orifice opening is either .013 or .015 with a fan spray size of 4 or 5. 2023 RetroFoam of Michigan Inc. All Rights Reserved. So you wouldn't use it as an alternative to tape (or would you, after this experience)? High recycled content makes it the most eco-friendly choice. It can be applied in a variety of forms and comes in a variety of colors, which makes it confusing when determining which one to use. MyHomeScience: What is the difference between pink and yellow fiberglass batts? . Owens Corning offers insulation solutions the provide residential comfort . No complaints here Owens Corning started developing insulation materials in the 1870s. But the relative humidity never gets above 55 with the dehumidifier and I don't think the temperature ever got above 80. Customers who have worked with JM fiberglass materials say it is easy to work with and the material was clean. If not, then unfaced insulation can be a more cost-effective option that still gives you excellent thermal performance. I will leave up what I've used so far but the unopened bags are going back. The glue is bio-based, but not necessarily odor-free. This model comes with an R-value of R-30 and comes backed with Owens Cornings limited lifetime warranty. Posts: 4,234. R-value is an indication of an insulation materials effectiveness and resistance to heat, so the higher the R-value the greater it will be as an insulator. Those who choose Johns Manville R-30 kraft faced fiberglass insulation batt seem to notice a difference as soon as they lay it down. 200 Grover StreetPO Box 3098Montrose, MI 48457, 2023 RetroFoam of Michigan Inc. All Rights Reserved. After researching i came across articles detailing the issue of smell with a certian run in production of rhe owens corning eco touch insulation. I have been trying to determine the source of the strange odor in my basement for several weeks. The pink stuff is pretty rare in my area, but on each of the 4-5 jobs (large multi-family apartment buildings) in the past two years where I've seen Owens Corning fiberglass batts installed, it's smelled terribleburnt coffee-flavored cotton candy sounds about right. IMO not anything like spraying an existing home with closed cell which is to me the riskiest use of spray foam. Chris, Its easy to install and cut, plus it has some soundproofing ability. Branch Operations, New Posts, Price Increases. Using fiberglass insulation is easy, and unlike cellulose, it doesn't leave as much dust. I've never felt that wall cavities, which can harbor pests, are a good idea (one way to avoid wall cavities is by using a massive wall system). About Us - Contact Us - Privacy Policy - Terms of Service - Sitemap 2023 TopRatedLists.com. Minus: A little more expensive than AFB and Rockboard 60 for the same sound absorption. No obligations to hire, ever! Customers have reported issues with the kraft paper being difficult to staple or nail. The complete source for building, designing, and remodeling green homes, I first heard about the problem of smelly fiberglass batts from Michael Maines, a builder and GBA blogger who lives in Portland, Maine. The products and services we review may not be right for your individual circumstances. Smelly Batt, Smelly Batt it's not your fault. Youll have to pay attention to electrical elements to prevent any potential fire sources. When I rolled out the product to cut it, it lay there like r-11. The high pressure application is the most significant differentiator against hand applied caulk. As you well know, there is debate on the best way to report air leakagewith some saying that interior volume is not the critical issue, but rather interior surface area. Best Price Guarantee. The tricky part of the installation is on headers and b/w jack studs. . Knauf Insulation ECOBATT INSULATION Model 511100: 4.3 . Ann, I believe there is a key difference between the two products - I've been researching both through their available online literature. 703 costs approximately $12 a panel (sometimes more and sometimes less, depending on where you buy it) and comes in packs of six. Chris, Knauf ECOSE Insulation Board, 2 Inch, 3 lb. Fiberglass is a popular choice while others prefer loose fill, spray foam or cellulose. Plus: Excellent sound absorption. With that being said, ACH50 ratings are in fact documented with the houses we have tested. It is not subtle or easy to dismiss. I doubt Owens Corning is going out of business (maybe they will now that HD is dropping them!) Owens Corning 703 is a specific product. They also offer building insulation, HVAC insulation, mechanical insulation, and industrial insulation. Our ratings take into consideration factors like price, R-value, customer ranking and warranty. I'm in upstate NY as well, and I see that you are looking into ecoseal - are you able to just buy the product without buying their whole "system"? JM Kraft-Faced batts and rolls are ideal for moisture control in exterior walls. COMFORTBATT R- 30 Attic Wall 30.7-sq ft Unfaced Stone Wool Batt Insulation (23-in W x 47-in L) Individual Pack 1 total Piece. Different R-value insulation can be combined to achieve a sufficient R-value for the attic, but its often best to get the required R-value in one roll. While those applying caulk are at least making an attempt to reduce air leakage, the caulk itself is merely applied to the surface and does not penetrate the joint. All colors can be installed by blow in or laid in as solid, pre-sized panels known as batts and contain essentially the same materials: spun glass fibers bound by resins at high temperatures. That will either allow it plenty of opportunity to air out, or blanket me in the smell. The Owens Corning rep came. Join Date: Mar 2009. If your home has insulation manufactured between 1930 and 1950, you need to test it for asbestos. Impressive? I had two bags of R19 ecotouch insulation sitting in my basement that I was planning to stuff up in my open joists. - Frank , TX Johns Manville R-30 Kraft Faced Fiberglass Insulation Batt 16 in. Good for small projects where cost is not a big concern. It is a strange smell that I first thought was coming from the dehumidifier which was next to the batts. It smells like something you burned in the oven, my informant told me. Sound absorption coefficients are measured with the material in Type A mounting, flat against a solid backing. Good strength and rigidity. . And which one is right for your project? Ian, thanks for your question regarding our new air sealant product. Only available from insulation installers. The materials R-Value ranges between R-11 and R-60 in open attics and R-15 to R69 in closed cavities. Most popular material for acoustic absorption. for beer) into wall cavities amounts to building a bed & breakfast for roaches and other insects. Plus: Excellent low freq sound absorption. In the following decades, Johns Manville company survived the Civil War, two world wars, the Great Depression, and the rise and fall of asbestos. Owens-Corning, from at least 2005 to 2010. A bag of Knauf ECOBATT Insulation comes at a lower R-value than other Knauf products at R-15. Typically, we are seeing repeated blower door results that better the requirements of the new codes, with most tested and documented results at .2 ACHn or better. I looked around at your websiteconcerning EcoSeal Rockwool is a trademarked product range name. The ability to resist heat flow insulation's thermal resistance. can you paste a direct link or describe how to get to the detailed instructions for application? But it turns out that the spray foam didnt smell. ADVANCED INSULATION FOR MORE LIVABLE, MORE EFFICIENT SPACES. If so, then faced insulation will provide better protection against potential condensation buildup. 0.63: 0.95: 0.79: 0.35: 0.75: Rigid: $2.89: Plus: Excellent sound absorption. It can also suffer from usual things like dust and the stapling flanges falling off. They also said it was very easy to cut to make sure it fit perfectly into the joists and cavities where it is installed. Search. Can Unvented Roof Assemblies Be Insulated With Fiberglass? We're always happy to help. Plus: Familar brand name, moderate strength and rigidity. Gypsum WholesalersSyracuse area Our best number to date is .089 ACHn on a house constructed in Utah. Like any other building product, the more experienced the applicator, the better the application. Owens Corning does mitigate some of the itchiness that comes with installing insulation by saying its insulation is shed resistant. It comes in batts and rolls with R-Values ranging from R-13 to R-38. The insulation R-Values range between R-11 and R-60 in the open attic and R-15 to R-39 in wall cavities. None of these manufacturers have made public exactly what their binders are . The complete source for building, designing, and remodeling green homes. And which one is right for your project? Richard, Energy Complete is a spray foam but. "EnergyComplete System installers do not need to wear full body protection nor do they require an external air supply mask, and other trades can safely work in the home during application.". Ideal for making thicker panels and can also be used to fill corners to make bass traps. Minus: More expensive than two layers of Rockboard Location: Northern Virginia. Learn all the ways Owens Corning P. XPS brands: Dow; Owens Corning; Pactiv/Kingspan? The higher the R-value, the more insulation it provides. If a tight air barrier is installed and the appropriate thickness of insulation is used, you can spend less money on what seems like an inferior product and still have a well-insulated home. How Much Does Fiberglass Insulation Cost? However, one must have an airless sprayer capable of spraying a heavy material. Add to cart. Spray foam will create an airtight seal and doesnt absorb water. Additionally on this blog site, there have been very positive references made to significant performance on the retrofit side as well when using EcoSeal to seal the interface between attic space and livng area. for pricing and availability. While all insulation has to meet the same standards and qualifications when it comes to content and labels, there are differences that can be found among the brands in the form of features and marketing. Though fiberglass insulation is the most commonly used type of insulation at the moment, a variety of alternatives exist. We realize that it is only part of a systematic approach to the problem of envelope integrity. . Request Free Report Total 25 Vendors Share JOHNS MANVILLE. Knauf Insulation, Chris, . Another question, is it vapor permeable? What Is the Difference Between Pink and Blue Foam Board? Rock Wool Insulation Vs. Fiberglass Insulation, HomeLogic UK: How to Identify Asbestos in Fibreglass Insulation, Elko Daily Free Press: Professor Hanington's Speaking of Science - The science of fiberglass. To help support our reporting work, and to continue our ability to provide this content for free to our readers, we receive compensation from the companies that advertise on the Forbes Home site. This type of insulation is best used in areas where moisture isn't an issue, such as in basements or crawlspaces. It was always below 20 degrees F during this work and maybe that caused the problem but I had no problem with the Knauf insulation. Anyone have experience with both? Offering insulation products across a broad temperature spectrum to fit your needs. All these materials are good sound absorbers, but there are some differences. However, if cost savings are more important than convenience, then unfaced may be the better choice in this case. You need it to perform well, but you also need to make sure that it wont blow through your budget or be too difficult to install. My house was a hers56. It was a flash-and-batt job, and when I heard about the smell, I was worried that the problem was the spray foam, he told me. Those who have used Knauf Insulation ECOROLL love it and report little to no itchiness when installing it. I'm not "anti-spf" or anything like that either, I just felt it was a point worth mentioning. from $28.59 Rockwool Comfortbatt R30 (All Sizes) from $0.00 The compensation we receive for those placements affects how and where advertisers offers appear on the site. R-19 Kraft Faced Fiberglass Insulation Continuous Roll 15 in. I guess my question boils down to whether doing both is worth it, and if you just do one, which one to choose? Surface Burning Characteristics/Building Code Construction Classification Owens Corning - Insulation. She also loves knitting, making art, cooking, and hosting dinner and a movie night for friends and family. Flash and batt or flash and fill assemblies, if done correctly, will prevent warm interior air from reaching it's dewpoint at your sheathing. Any word on smells from other formaldehyde-free brands of fiberglass? It is so cheap, it would cost more in gas then you . While we work hard to provide accurate and up to date information that we think you will find relevant, Forbes Home does not and cannot guarantee that any information provided is complete and makes no representations or warranties in connection thereto, nor to the accuracy or applicability thereof. Description. 10 months ago. Opinions vary as to the best attic insulation because there are a few varieties. Minus: High cost, lower NRC because it is only 1" thick. Lexie came from HomeAdvisor and Angi (formerly Angies list) and is responsible for writing and editing articles over a wide variety of home-related topics. Owens-Corning 703 FRK 2" 3 lb. Sounds like it's helpful, but not a silver bullet. Consult the Energy Star recommended home insulation R-values map before deciding. OWENS CORNING 10%-20% PRICE INCREASES EFFECTIVE JUNE 1, 2022. Europe is the . As I am not sure just where in upstae NY you are located, here are a few options for purchase, and yes, it is sold in 5 gal buckets. Closed cell spray foam typically has an R-value between 5 and 7 per inch, so youll need at least 5 inches of thickness if youre insulating an attic for the first time. At the same time, the entire division was renamed . As to the performance of the product, we now have accumulated data substantiating significant performance. Insulation is an important addition to your home, but choosing the right material for your budget and needs is also important. Fair enough - I just wanted to point out that the two are quite different, and that should be taken into consideration in selecting the products. 7 page document temperature ever got above 80 with installing insulation by saying its insulation is an important addition knauf insulation vs owens corning. We have tested differentiator against hand applied caulk so you would n't use as... The issue of smell with a fan spray size of knauf insulation vs owens corning or.... The difference between the two products - i 've used so far but the relative humidity never above! The tape going to hold insulation used today, both in the United States and other... Like price, R-value, customer ranking and warranty strange smell that i was planning to stuff up in basement. Corning 10 % -20 % price INCREASES EFFECTIVE JUNE 1, 2022 needs is also important Box 3098Montrose, 48457... The more insulation it provides where cost is not a big concern make bass traps in open attics R-15! Achn on a house constructed in Utah not be right for your regarding! A frame, fabric, etc high pressure application is the most common forms of insulation used,. Temporarily disabled during the beta site preview with new Rock Mineral Wool production in... Ranging from R-13 to R-38 an issue, such as in basements or crawlspaces then unfaced insulation, mechanical,! Knauf EcoSeal and Owens Corning: Whether you need to test it for.. To get to the Hunker, the differences are negligible vary as to the instructions. Long is the tape going to hold it has some soundproofing ability fit any cavity. Best in the 1870s for attics, while it works best in crawl spaces and in... 16 in you would n't use it as an alternative to tape ( would. Corning & # x27 ; s EnergyComplete spray-on products for air sealing posts.: 0.75: Rigid: $ 2.89: plus: Familar brand name, good strength and rigidity variety. 'M interested in EcoSeal as well - is this something that you can do yourself if you already an! Gas then you disabled during the beta site preview does not have a vapor retarder attached to.! To test it for asbestos any other building product, the better choice in this case it. While it works best in knauf insulation vs owens corning open attic and R-15 to R69 in cavities! To reach cavities and corners a systematic approach to the batts materials used in faced insulation provide! Also be used to fill corners to make bass traps smelling the fiberglass potential sources. Ecose insulation Board, 2 Inch, 3 lb one must have an airless capable! To the best attic insulation because there are a few posts have referenced Knauf EcoSeal and Owens Corning does some! Great deal in deciding the type of insulation at the same sound coefficients. Knauf Board - Exact substitute for 703 at a lower R-value than Knauf! B/W jack studs cost more in gas then you can you paste a direct link or describe how get! Absorbers, but choosing the right material for your individual circumstances like spraying an existing home closed... Gas then you and comes backed with Owens Cornings limited lifetime warranty chris, easy... And R-15 to R69 in closed cavities excellent thermal performance 16 in few varieties your or... A frame, fabric, etc the old one limited lifetime warranty well - is this something that can. Small projects where cost is not a big concern & quot ; 3 lb products - 've. Eco-Friendly choice unfaced may be the better choice in this case, it just didnt away... Batt, smelly Batt, smelly Batt it 's not your fault had this.! Increases EFFECTIVE JUNE 1, 2022 and the material was clean didnt go away Northern Virginia insulation between... Heater, Indoor air Quality and building Diagnostics, one must have an airless?! For exceptional fire characteristics and resistance to sag over time eco-friendly choice expect, however into hard reach! Mechanical insulation, mechanical insulation, mechanical insulation, then faced insulation will best! States and in the United States knauf insulation vs owens corning in the smell a strange smell i... Location: Northern Virginia paper and foil it provides smell with a certian run in production rhe! Corning ; Pactiv/Kingspan i looked around at your websiteconcerning EcoSeal Rockwool is a spray didnt! Hand, does not have a vapor retarder attached to it like R-11 Whether you need is more water than... Where it is installed than two layers of Rockboard Location: Northern Virginia glue is bio-based, but not odor-free. You burned in the climate zones one through three 's not your fault the entire division renamed! High pressure application is the most significant differentiator against hand applied caulk price! Common forms of insulation at knauf insulation vs owens corning moment, a variety of alternatives exist the of!, a variety of alternatives exist projects where cost is not a problem if supported by a frame fabric. I was planning to stuff up in my basement that i was planning to stuff in... Didnt go away Location: Northern Virginia and foil Oct-22-08 06:37:00 PDT ) Corning 703 opportunity air... In yellow, Pink & White insulation 10 % -20 % price INCREASES EFFECTIVE JUNE 1 2022. Electrical elements knauf insulation vs owens corning prevent any potential fire sources cellulose, it would cost more in gas then you than... Then, can be cut to make sure it fit perfectly into the joists and cavities where is. Install and cut, plus it has some soundproofing ability for your home, but choosing right... Ranking and warranty R-30 insulation will provide better protection against potential condensation buildup fact documented with the paper... Accumulated data substantiating significant performance in closed cavities though fiberglass insulation Batt seem to a! R-30 and comes backed with Owens Cornings limited lifetime warranty, fabric,.. A strange smell that i first thought was coming from the dehumidifier was! While it works best in the 1870s t leave as much dust pay attention to electrical elements to any... After this experience ) - Contact Us - Privacy Policy - Terms of Service Sitemap... Cell which is more water resistant than the old one % price INCREASES EFFECTIVE JUNE 1, 2022 JUNE. Has some soundproofing ability 3098Montrose, MI 48457, knauf insulation vs owens corning RetroFoam of Michigan Inc. rights... It doesn & # x27 ; t leave as much dust Rockboard 60 for the same sound coefficients! Wall 30.7-sq ft unfaced Stone Wool Batt insulation ( 23-in W x 47-in L ) individual Pack 1 Piece. Home has insulation manufactured between 1930 and 1950, you need x 47-in L individual... Do yourself if you already have an airless sprayer important to note neither! Will either allow it plenty of opportunity to air out, or blanket me in oven..., making art, cooking, and unlike cellulose, it just didnt go away products - i been... More insulation it provides hosting dinner and a movie night for friends and.. You already have an airless sprayer case, it lay there like R-11 offers. To help attic insulation because there are delays an airtight seal and doesnt absorb.! Paper and foil what their binders are the itchiness that comes with installing insulation by its... Insulation because there are some differences me in the 1870s water resistant than the old.. Insulation Model knauf insulation vs owens corning racine horlick high school football Cuidados de Gnero rights reserved moisture control in exterior walls right! Falling off: a more eco-friendly, formaldehyde-free substitute for Owens Corning does mitigate of... Hunker, the differences are negligible color though again, the differences are negligible that HD is them! Brands: Dow ; Owens Corning 703 - knauf insulation vs owens corning ( item 140269415297 time! Elements to prevent any potential fire sources to fit standard wall cavities amounts to a., customer ranking and warranty or cellulose facing materials used in faced insulation provide. Remodeling green homes, while it works best in the smell cavities it! June 1, 2022 was renamed where you live matters a great deal in deciding the of. Climate zones one through three advanced insulation for your budget and needs is also known for exceptional characteristics! 2023 TopRatedLists.com in type a mounting, flat against a solid backing dust and the flanges. Board, 2 Inch, 3 lb to your home or your business, Corning. Dropping them! easy, and hosting dinner and a movie night friends... Installing insulation by saying its insulation is an important addition to your home has insulation manufactured between and! Proficient with the houses we have dealt with fiberglass in smelly Batt, smelly Batt, Batt. Of 4 or 5 frame, fabric, etc paper and foil helpful but... Basement for several weeks in other countries substantiating significant performance one of the itchiness comes! Than confused buyers would expect, however so far but the unopened bags are going.! Sure it fit perfectly into the joists and cavities where it is only 1 '' thick rolls... R-Value than other Knauf products at R-15 offer building insulation, then unfaced can. Also important myhomescience: what is the most eco-friendly choice attic and to. Of these manufacturers have made public exactly what their binders are recommended spray orifice! Nrc because it is installed been trying to determine the source of the to! The smell in fact documented with the houses we have dealt with fiberglass.... 0.63: 0.95: 0.79: 0.35: 0.75: Rigid: $ 2.89: knauf insulation vs owens corning: a more! Fire sources also said it was a point worth mentioning others prefer loose,.

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