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They feature or without a paper or foil facing that serves as a vapor barrier. You include one or more layers to accomplish the preferred level of insulation. Attics with basic joist spacing, specifically those without any insulation Attics with few obstructions or penetrations to work around Attics with sufficient headroom for steering during setup DIYers who do not mind cutting the product to fit around obstructions R-value per inch: 2.

3 Made of: Recycled glass or sand that's melted and spun into fibers Bottom line: Typically used and economical, however fibers can irritate lungs and skin (though less so than in years past, thanks to better manufacturing), and it's less efficient at blocking airflow than other products. smartliving home repair services -value per inch: 3.

8 Made of: Fibers from recycled post-consumer paper that are treated for pest and fire resistance. Bottom line: Won't irritate lungs or skin, but the item is made by a limited number of producers. R-value per inch: 3. 03. 3 Made of: Fibers from rock or recycled slag from blast heaters Bottom line: It's naturally fire-resistant, but the product is more expensive than others.

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73. 8 Made from: Fibers from recycled denim fabric Bottom line: Blocks air flow and sound transmission, however the material is more costly than others. Size Up Your Existing Insulation (and Eliminate The Bad Stuff) Grab a measuring tape and a flashlight to see what type of insulation you currently have in the attic and how deep it is.

Attic Insulation: The Ultimate Guide to Weatherproofing Your Home

Attic Insulation - What You Should Be Thinking About

Pull up and dispose of any material that's compressed, water stained, or moldyit's worthless. Owners of houses constructed prior to 1990 keep in mind: If what you see is light-weight, grainy, loose-looking insulation with glossy flecks, it could be vermiculite from a mine with asbestos deposits. Get it tested, and if required, hire a pro to get rid of and carry it away safely.

The numbers are based upon your house's area and climate zone. Check for Refunds and Credits in Your Area The majority of federal tax credits for weatherizing your home and boosting its energy performance ended in 2011. But your state's energy workplace or regional energy may provide item rebates, discount rates, or other financial incentives for insulating.