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Poly Shield® Sheathing/Underlayment Brochure
Cellofoam's POLY SHIELD® heat laminated sheathing. offers tough poly facers for added strength and durability-important in storing, handling, and installation.
POLY SHIELD®'s closed cell EPS core wraps the structure in permanent R-value, retarding radiant heat flow and reducing air-infiltration. POLY SHIELD® offers both high efficiency and low-cost insulation.
POLY SHIELD® is made of Cellofoam Expanded Polystyrene (EPS) rigid insulation, faced with a tough poly laminate or a reflective foil facer. If a reflective surface is not desired, poly laminate can be ordered on both sides. The standard density is 1#. Other densities up to 3# PCF and thicknesses up to 4" are also available.
Because POLY SHIELD® is made of millions of closed cells of expanded polystyrene, it has excellent resistance to heat transfer. Not a vapor barrier.
When POLY SHIELD® is properly installed it doesn't deteriorate with age, is resistant to mildew, rot, fungus, bacteria, and doesn't require maintenance. The tough facings resist abuse during construction and storage/warehousing... To read the rest of the content please click the attached pdf.
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