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www.doityourself.com/stry/how-thick-is-r-38-insulation

The thickness of your R-38 insulation will depend on the material you have, the brand, and how it's installed. The fiberglass comes in rolls, also known as batts, which vary in size. An R-38 fiberglass batt should be approximately 6 1/4 inches thick, while the thickness of cellulose insulation of a finished, fitted product will be around 12 inches.

www.jm.com/content/dam/jm/global/en/commercial-roofing/brochures/RS-5131_2014...

JM POLYISOCYANURATE ROOFING PRODUCT LINE Revised LTTR Values Effective January 1, 2014 ... All polyiso products follow ASTM C1289 (Standard Specification for Faced Rigid Polyisocyanurate Thermal Insulation Board). As part of that standard, the products must meet R-value requirements ... professional should specify insulation thickness based R ...

www.thebuildingcodeforum.com/.../roof-rigid-foam-insulation-thickness.14690

I'm designing a house with a cathedral ceiling with exposed structural beams, with structural decking above, and then rigid foam insulation above the decking. Per the 2012 Virginia Residential Code Table N1102.1.1 I know that I need to have R-38 roof insulation. Where do I find out how thick my rigid insulation needs to be to reach that R value?

www.homedepot.com/p/Owens-Corning-R-38-EcoTouch-PINK-Kraft-Faced-Fiberglass...

EcoTouch insulation is the reinvention of fiberglass insulation from Owens Corning, the industry leader that invented fiberglass insulation. Install our insulation with confidence knowing that over 70 years of innovation and experience has gone in the making of EcoTouch insulation.

www2.owenscorning.com/literature/pdfs/[02] FOAMULAR XPS Roof Insulation for Commercial...

FOAMULAR® XPS ROOF INSULATION FOR COMMERCIAL BUILDINGS PAGE 5 FOAMULAR® XPS ROOF INSULATION FOR COMMERCIAL BUILDINGS FOAMULAR ® XPS insulation is a rigid foam insulation which meets the needs of today’s design professionals for a truly sustainable insulation product. Owens Corning™ insulation products help improve thermal performance and control moisture in commercial, institutional and ...

www.versico.com/download.aspx?fileID=1951

2014 POLYISO INSULATION LTTR R-VALUES TECHNICAL DATA BULLETIN SecurShield CD SecurShield CD is a rigid roof insulation panel composed of a closed-cell polyisocyanurate foam core manufactured on-line to an enhanced coated glass facer on each surface side to achieve greater fi re resistance over wood decks. † Size: 4' x 8' † Thickness: 1"

www2.owenscorning.com/literature/pdfs/21151-D EcoTouch R-38C (for 2x12 Cathedral...

insulation is designed to eliminate R-value loss caused by compressing standard R-38 products in 2x12 cathedral ceiling construction. 10¼ ” thick, R-38C EcoTouch® Thermal Batt insulation prevents moisture damage and help assure long roof life by providing 1" of ventilation air space between the insulation and roof deck. Easy Installation

www.greenbuildingadvisor.com/article/calculating-the-minimum-thickness-of...

Recent versions of the IRC allow unvented roof assemblies insulated with a combination of rigid foam insulation above the roof sheathing and air-permeable insulation in the rafter bays. The relevant code provisions can be found in section R806.4 of the 2009 IRC and in section R806.5 of the 2012 IRC. ... thick insulation is still better than ...

www.roofcalc.org/flat-roof-insulation-cost

The average cost of flat roof insulation is $0.67 per square foot (for 1 inch thick PolyISO with 6-R value). High quality rigid foam insulation that is properly installed will greatly improve ventilation, eliminate drastic temperature fluctuations inside the home, and protect from leaks. Here are the best insulation materials along with prices, features, and r values.

insulation.owenscorning.com/_templates/products/details.aspx?product=r-38-fiberglas...

Homeowners find EcoTouch® PINK® FIBERGLAS™ Insulation with PureFiber® Technology fast and easy to install. In addition, EcoTouch® insulation: Delivers comfort – helps homes stay cooler in the summer and warmer in the winter; Will reduce monthly heating and cooling costs 1 for the life of the home