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WHY CHOOSE FOAM BOARD INSULATION?

Owens Corning® FOAMULAR® NGX® C-300 Extruded Polystyrene (XPS) Rigid Foam Insulation is a closed cell, highly moisture-resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications.

Resources

Product Focus: Owens Corning® FOAMULAR® NGX® Insulation
Product Focus: Owens Corning® FOAMULAR® NGX® Insulation
FOAMULAR® 101
FOAMULAR® 101
Training Animation - ComfortShield™
Training Animation - ComfortShield™
Owens Corning® ComfortSHIELD™ High Performance Building Enclosure System
Owens Corning® ComfortSHIELD™ High Performance Building Enclosure System

Technical Information

Performance Criteria

DIMENSION PROPERTY TEST METHOD

COMPLIANCE:

Evaluation Listing No. 13430-LCCMC
Type 4CAN/ULC-S701.1-17

PHYSICAL PROPERTIES:

Compressive Strength1: 30 psi (210 kPa)

ASTM D1621

Compressive Modulus: 1350 psi (9308 kPa)

ASTM D1621

Flexural Strength2: 75 psi (517 kPa)

ASTM C203

Dimensional Stability, Maximum, % linear change: 1.5

ASTM D2126

Linear Coefficient of Thermal Expansion:
3.5x10–⁵ in/in./°F (6.3x10–⁵ mm/mm/°C)

ASTM E228

THERMAL3:

Thermal Resistance, R-Value, hr•ft²•°F/Btu (RSI, °C•m²/W)
5.0 (0.88) @ 24°C (75°F) mean temperature
5.4 (0.95) @ 4.4°C (40°F) mean temperature
5.6 (0.99) @ -3.9°C (25°F) mean temperature

ASTM C518 or C177

LTTR:

See data sheet for valuesCAN/ULC-S770-15

MOISTURE:

Water Absorption, (max. % by volume): 0.40

ASTM D2842

Water Vapour Permeance: > 0.54 Perm (31 ng/Pa.s.m²)

ASTM E96

Water Capillarity: None

Water Affinty: Hydrophobic

Limiting Oxygen Index, min.: 24

ASTM D2863

FIRE:

CombustibleCAN/ULC-S114
Max. Service Temp. 74 °C (165 °F)
  1. Values at yield or 10% deflection, whichever occurs first.
  2. Value at yield or 5%, whichever occurs first.
  3. The R-value for FOAMULAR® NGX® XPS Insulation is provided from testing at mean temperatures of: -3.9 °C (25 °F), 4.4 °C (40 °F), and 24 °C (75 °F) and aging techniques of 180-day real time aged (as mandated by ASTM C578).

Applications

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