XPS Posts

Posts in the XPS Category

Extruded polystyrene (XPS) is the go-to rigid foam insulation for applications where moisture resistance and long-term R-value retention matter most. Manufactured through a continuous extrusion process, XPS produces a closed-cell structure that resists water absorption far more effectively than EPS, making it the preferred choice for below-grade, roofing, and other wet-environment applications.
Warehouse filled with large stacks of foam boards and packaging supplies.
Latest From FSG

Insights, Updates & Industry Knowledge

Stay informed with the latest articles covering foam fabrication, insulation systems, industry trends, and practical guidance from the Foam Sales Group team.
Efficient rigid foam insulation panels for building and construction. High thermal performance and durability.
XPS
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January 5, 2026

Top 4 Installation Techniques and Recommendations for Styrofoam™ Brand XPS Insulation

Styrofoam™ Brand XPS Insulation is a trusted and award-winning building envelope solution. Each project has…

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A construction worker in a yellow safety vest and red helmet carrying insulation board labeled Styrofoam through a wooded environment.
Polyiso, XPS
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January 5, 2026

Top Questions About Rigid Insulation

This guide answers six of the most frequently asked questions about THERMAX™ Polyiso Insulation and…

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High-performance pink foam for superior moisture resistance and durability.
XPS
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January 5, 2026

Extruded Polystyrene (XPS) Insulation: A Comprehensive Overview

What is Extruded Polystyrene Insulation? Extruded Polystyrene (XPS) is a type of rigid foam insulation…

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A close-up of pink foam board insulation sheets with installation instructions and tools on top.
XPS
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November 11, 2025

The Difference Between FOAMULAR® 150 vs 250

Key Points: FOAMULAR® is a popular energy saving, moisture resistant, XPS insulation from Owens Corning. The…

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