Owens Corning FOAMULAR® NGX™ Half-Inch Extruded Polystyrene (XPS) insulation is a closed-cell, moisture-resistant rigid foam board well suited to meet the need for thin, rigid foam insulation sheathing. FOAMULAR® NGX™ HalfInch XPS insulation is designed for residing applications and provides a flat, smooth surface for the installation of siding. It provides an R-value of 3.0, much higher than other residing underlayments, which maximizes and improves energy efficiency, especially in older homes. FOAMULAR® NGX™ Half-Inch XPS insulation offers superior resistance to moisture for long-term thermal performance and is easy to cut without the need for special tools. Strong, yet lightweight, 2 feet by 8 feet and four feet by 8 feet panels mean fast and easy installation with nails or staples for labor-saving efficiency.
FOAMULAR® NGX™ Half-Inch XPS insulation contains the additional benefit of being manufactured with a blowing agent formulation that delivers a 90% reduction to Global Warming Potential (100 years), including the complete elimination of HFC 134a
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