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JM POLYISOCYANURATE ROOFING PRODUCT LINE Revised LTTR Values Effective January 1, 2014. ... the design professional specify polyiso insulation by its thickness and its full ASTM designation rather than ... 3 R-20 2 Layers 1.7" 2 Layers 1.8" 4, 5 R-25 2 Layers 2.1" 2 Layers 2.2" ...


EcoTouch® PINK® FIBERGLAS® Insulation friction fit batts are easy to install and available in a full range of R-values, R-12 through R-40, offering you outstanding thermal and noise control solutions for every project in your home.


Ultimately selecting which product and value to use depends on many factors - particularly thermal load; regardless, ASHRAE's new above-deck roof insulation standard is a good place to start, as it jumped 33 percent, from R-15 to R-20, in five of six climatic regions.


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"


Here is a rough, back-of-the-envelope calculation: you have increased the thickness of your between-the-studs insulation by 32%, so you also have to increase the minimum R-value of your exterior foam by 32% -- in other words, from R-15 to R-20.


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.


Owens Corning R-20 Fiberglass Batt Insulation with Sound Barrier (15-in W x 93-in L) Enter your location for pricing and availability, click for more info for pricing and availability.


Foam-Control molded polystyrene insulation is used for a wide range of construction applications. Foam-Control insulation is available in a range of standard R-values and standard thicknesses to meet all your application requirements. THICKNESS & R-VALUE

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


insulation can conform to any space without disturbing any structures or finishes. • Sprayed or foamed-in-place: This type allows you to fill even the smallest cavities. • Rigid insulation: This insulates your home from the roof to the foundation, reducing energy losses through the house frame. • Reflective insulation: This type