Why is "reflective insulation" still being sold by HD and Lowes
Dec 7, 2013 · I stopped by my local HD for more supplies and was surprised to see rolls of "radiant barrier" bubble wrap on the shelf. Lowes and online vendors sell products with similar claims. For example, here are the benefits promised by a leading vendor: "An easy-to-install double reflective, double bubble insulation R-values range from R-3.7 to R-21 depending on …
A New Look at Foil-Faced Bubble Wrap - GreenBuildingAdvisor
Apr 30, 2021 · Scammers are still promoting this worthless R-1 product as insulation. The label of this roll of bubble wrap includes several R-values, ranging from R-6.1 to R-21. In fact, the product has an R-value of R-1.1. The touted R-values aren't product R-values—they're assembly R-values. By blurring the line between product R-values and assembly R ...
Installing Roxul Mineral Wool on Exterior Walls
Feb 12, 2013 · This exterior insulation helps reduce heat loss in those places and brings the weakest parts of the wall (aside from windows and doors) up to R-20. (The 2×10 wall plates have an R-value of about R-11.6, and 2 inches of Roxul has an R-value of R-8.4.) This level of insulation is better than the average for most 2×6 stud wall systems.
Stay Away from Foil-Faced Bubble Wrap - GreenBuildingAdvisor
Mar 21, 2014 · This R-1 product can be used to make Halloween costumes, but should never be used as insulation. Foil-faced bubble wrap is a thin product that comes in a roll. Its R-value is dismally low. 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.
R-Value Scammers Sued By the FTC - GreenBuildingAdvisor
Dec 30, 2016 · One version is 1 mm (0.0384 inch) thick; according to Innovative Designs, this product has an R-rating of R-3. That’s R-78 per inch. The second version is 1.5 mm (0.0576 inch) thick; according to Innovative Designs, this product has an R-rating of R-6. That’s R-104 per inch. The Insultex document that includes these outrageous claims ...
FTC Cracking Down on False R-Value Claims
Feb 21, 2013 · Home Depot is lying, too Home Depot didn't want to be left out of this lucrative scam. Here's a product that is less than 3/8 inch thick -- just staple it up. Guess what: "R-values range from R-3.7 to R-21." This claim is a blatant violation of federal law. (The actual R-value of Reflectix is R-1. See second attached document.)
How to Build an Insulated Cathedral Ceiling
Nov 18, 2011 · In those days, most builders stuffed cathedral ceiling rafter bays with fiberglass batts. Sometimes they included flimsy Proper-Vents between the fiberglass and the roof sheathing, but often they just specified thin batts to ensure that there would be an air space above the batts for ventilation. The cathedral ceilings of the 1970s and 1980s ...
Foil vs Bubble Foil or Foam Foil - GreenBuildingAdvisor
Nov 15, 2017 · Foil vs Bubble Foil or Foam Foil. Hi I’m insulating a shed-like structure on my property to create a comfortable living space. With regard to the tin roof I’ve been advised to use a layer of Bubble foil on the battens directly underneath the tin and then below that in the remaining ceiling space (above the plasterboard) Fibreglass batts.
Does Reflectix “Big Bubble” insulation really achieve R-6?
Apr 17, 2018 · This product specifically states on it in big red letters “R-8 WITH AIRSPACE” and “R-6.0 WITHOUT AIRSPACE.”. The company’s website says “The product provides an R-8.0 when installed with a 0.75” air gap between the duct and the insulation, and R-6.0 when installed direct to the duct without a spacer.”.
A Visit to a German Home Center - GreenBuildingAdvisor
Jan 21, 2014 · The Bauhaus store in Berlin resembles a Home Depot or Lowe’s — but offers many products that are unavailable in the U.S. By Andrew Dey | January 21, 2014. The Bauhaus store in Berlin, Germany, stocks a wide variety of construction materials. Compared to similar stores in the U.S., the Bauhaus store has a much better selection of air sealing ...