Description
InsulFoam II Below Grade is an engineered insulation consisting
of a superior closed-cell, lightweight and resilient expanded polystyrene (EPS). InsulFoam II meets or exceeds the requirements of ASTM C578, Type II, Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation. InsulFoam II has a nominal density of 1.5 lb/ft3. In addition, InsulFoam II offers a long-term, stable R-Value and has excellent dimensional stability, compressive strength and water resistance properties. Insulfoam Below Grade Insulation can contribute toward environmental credentialing including LEED® credits.
Uses
Insulfoam Below Grade Insulation is successfully used in numerous commercial, industrial and residential applications. It is designed to insulate the foundation wall or slab and protect the waterproofing or damp proofing, especially during backfilling. Additional building applications include pre-stressed and pre-cast structural concrete panels, siding backer board, building sheathing, roads and bridge fill, below-slab and perimeter insulation, architectural shapes, docks and piers, void fill, foundations, retaining walls and numerous other geofoam applications.
Advantages
Environmentally Friendly. Insulfoam Below Grade Insulation does not contain any ozone-depleting blowing agents, may contain recycled material and is 100% recyclable.
Moisture Resistance. Insulfoam Below Grade Insulation does not readily absorb moisture from the environment.
Insect and Mold Resistance. Insulfoam Below Grade Insulation does not sustain mold and mildew growth and can be manufactured with an inert additive that deters termites and carpenter ants.
Stable R-Value. The product’s thermal properties will remain stable over its entire service life.
Long Term Warranty. With no thermal drift, Insulfoam warrants this product with a 20-year Thermal Performance Warranty.
Proven Performance. EPS has been manufactured using the same chemistry since the mid-1950s.
Large Variety of Compressive Strengths. More available compressive strengths than comparable below grade products.
Cost Effective. Insulfoam Below Grade is typically less expensive than comparable insulation products.
Code Approvals. Insulfoam insulations are recognized by the International Code Council Evaluation Service (ICC-ES), for numerous applications. Please contact your local Insulfoam representative for details.
Sizes
InsulFoam II is available in 4’ x 4’ and 4’ x 8’ standard sizes with thicknesses from ” to 40”, and is readily available in custom lengths and widths with little to no impact on lead time. It is also available in tapered panels.
Installation Recommendations
Please refer to the appropriate Insulfoam Below Grade installation guidelines for recommended installation procedures, available at www.insulfoam.com or by asking your local Representative. Nationwide Manufacturing n Toll Free: 800-***-**** n www.Insulfoam.com INSULATION ENGINEERED TO MAKE A DIFFERENCE.
TYPE II · 20 PSI
MOISTURE RESISTANT INSULATION
TDS# 13005 – 08/16
Typical Tested Physical Properties*
Property Test Method Value
Density (nom. pcf) ASTM C303 1.50
C-Value (Conductance) - per inch
BTU/(hr•ft2• F)
@ 25 F
@ 40 F
@ 75 F
ASTM C518
or
ASTM C177
0.210
0.220
0.240
R-Value (Resistance) - per inch
(hr•ft2• F)/BTU
@ 25 F
@ 40 F
@ 75 F
ASTM C518
or
ASTM C177
4.76
4.55
4.17
Compressive Strength
(psi, 10% deformation)
ASTM D1621 15-21
Flexural Strength (min. psi) ASTM C203 35
Dimensional Stability
(maximum %)
ASTM D2126 2.0
Water Vapor Permeance
(max. perm., 1 inch)
ASTM E96 3.5
Water Absorption (max. % vol.) ASTM C272 3.0
Capillarity – none
Flame Spread ASTM E84 < 20
Smoke Developed ASTM E84 150-300
*Properties are based on data provided by resin manufacturers, independent test agencies and Insulfoam.