PlastiSpan EFS insulation used in EIFS applications covers the outside of the building so that the structure is isolated from the wide temperature fluctuations of the climate. This reduces expansion and contraction of the structure and stabilizes interior temperatures. When using PlastiSpan EFS insulation in EIFS applications it provides a complete exterior blanket of insulation in a simpler manner than application of insulation on the interior.

PlastiSpan EFS insulation is manufactured under a stringent quality control program to meet the requirements of EIFS manufacturers that includes third party certification of material properties.

PlastiSpan EFS insulation can be supplied to any thickness required to provide specified thermal resistance (R-Value) and special shapes can be provided that will create the style or form needed for the building.

Meets all building code requirements
Thermal resistance - R-value 3.6/inch @ 75 F, 4.0/inch @ 40 F
Most cost-effective insulation per R-value
Closed cell insulation resists moisture
Easy to cut and install
Maintains R-value
Can be used in Retrofit & new construction

Material Properties of PlastiSpan^® EFS

The table below provides material properties and manufacturing requirements for PlastiSpan EFS insulation manufactured to ASTM E2430 for use in exterior insulation and finish system (EIFS) for use in exterior insulation and finish systems (EIFS).

Table 1 – PlastiSpan EFS Insulation Properties

Material Property	Test Method	Units	Property Values
Density Minimum	C303 or D1622	pcf	0.90
Thermal Resistance Minimum	C177 or C518	ft²•hr•°F/BTU ft²•hr•°F/BTU	75°F \| 3.60 40°F \| 4.00
Water Vapour Permanence Maximum	E96	perms	5.0
Dimensional Stability Maximum	D2126	% linear change	2.0
Water Absorption Maximum	C272	% By Volume	4.0
Flexural Strength Minimum	C203	psi	25
Compressive Resistance Minimum @10% Deformation	C165 or D1621	psi	10
Limiting Oxygen Index Minimum	D2863	% by volume	24

Additional Material Properties for PlastiSpan EFS Insulation
Water Absorption Maximum	C272	% by volume	2.0
Dimensional Stability Maximum	D2126	% linear change	0.5
Tensile Strength Minimum	D1623	psi	15

The dimensions, dimensional tolerances and block aging for PlastiSpan® EFS insulation meet requirements specified in ASTM E2430, Standard Specification For Expanded Polystyrene (“EPS”) Thermal Insulation Boards For Use In Exterior Insulation and Finish Systems (“EIFS”) as detailed in Tables 2 and 3 below.

Table 2 - Dimensions and Dimensional Tolerances

Standard Dimension per ASTM E2430
Length	48 inches
Width	24 inches
Thickness	3/4 inch to as specified

Dimensional Tolerences ASTM E2430
Length	±1/16 inch (±1.6 mm)
Width	±1/16 inch (±1.6 mm)
Thickness	Minimum: 3/4 inch (20 mm)	±1/16 inch
Thickness	Maximum: As specified	±1/16 inch
Squareness	When measured on the large flat face from one corner to the opposing corner, dimensional variations shall not exceed 1/32 inch in 12 inch
Edge Trueness	When measured with a straight edge, edges shall not deviate more than 1/32 inch in 12 inch
Face Flatness	When measured across the face with a straight edge, maximum deviation from the straight edge shall not exceed more than 1/32 inch

Table 3 - Block Aging Requirements Prior to Cutting

Storage Condition	Average Temperature	Minimum Storage Period
Low Pentane (<4.5% pentane) Raw Materials and Vacuum Mould Technology
Plant Aging	Ambient Temperature 68 °F and RH	12 Days
Full Pentane (nominal 6% pentane) Raw Materials and Vacuum Mould Technology
Plant Aging	Ambient Temperature 68 °F and RH	18 Days
Full Pentane (nominal 6% pentane) Raw Materials and Non-Vacuum Mould Technology
Plant Aging	Ambient Temperature 68 °F and RH	42 Days
Heat Aging	Elevated Temperature 140 °F	5 Days

The flame spread index and smoke developed index for PlastiSpan EFS insulation are determined in accordance with ASTM E84 (UL723). Flame spread and smoke developed classifications are third party certified under a quality listing program administered by Intertek Testing Services are provided in Table 4 below.