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UL Evaluation Report

alt : UL-ER7260-10-04-16.pdf

4.1 General
The products described in this report are used as nonstructural insulation on the interior or exterior of
above grade walls, on the interior or exterior of below grade walls, below concrete slabs, around concrete
slab edges, or as roof insulation. Installation shall be in accordance with Section 6 of this report.

Cellofoam EPS and Cellofoam PolyShield may be used on walls in attics and crawl spaces when
installation is in accordance with Section 6.4.

The insulation may be used as a vapor retarder when installation is in accordance with 6.2.

Cellofoam EPS, Cellofoam PolyShield, and Cellofoam FR Composite may be used in commercial and
residential roofing systems classified for use in Class A, B, and C assemblies, when installed in
accordance with 6.3. Refer to UL TGFU Listings for specific classifications.

When used on the exterior of above grade walls, where indicated in Table 1, the insulation shall be
installed in accordance with 6.6.

Cellofoam PolyShield is approved for use on interior walls of residential basements without a prescriptive
thermal barrier based on fire testing in accordance with IBC section 2603.10 and IRC Section R316.6, as
described in 6.5. 

Cellofoam PolyShield may be used as an alternative to the water-resistive barriers specified in the codes
when installed in accordance with Section 6.7.

Cellofoam EPS may be used as a component in Exterior Insulation and Finish Systems (EIFS).

4.2 Cellofoam Geofoam Blocks
Cellofoam Geofoam Blocks may be used as lightweight structural fill in floor cavities. Installation shall be
in accordance with Section 6.8 of this report. 

5.1 General
The products covered under this report are molded, closed-cell expanded polystyrene having a flame
spread index not exceeding 25 and a smoke developed index not exceeding 450 for thicknesses up to 5
inches, when tested in accordance with UL723 (ASTM E84) as required by IBC Section 2603.3 or IRC
Section 316.3, as applicable.

Products containing the additive Preventol® and identified as such on the product markings, have been
treated for termite resistance in accordance with IBC Section 2603.9 exception 2, or IRC Section R318.4
exception 2
, as applicable.

5.2 Cellofoam EPS Insulation Boards
All Cellofoam EPS board cores have been found to comply with ASTM C578. The boards are manufactured at minimum densities of 0.90, 1.15, 1.35, and 1.80 lbs/ft3 and have ASTM C578 designations of Type I, Type VIII, Type II, and Type IX, respectively. See excerpt from ASTM C578, Table 2 below for minimum Thermal Resistance values for each Type: 

Table 2 – Thermal Resistance Values
° F-ft2-h/Btu

Type I 0.90 3.6
Type VIII 1.15 3.8
Type II 1.35 4.0
Type IX 1.80 4.2
1Thermal resistance (R) values are based on tested values at 1 inch thickness and 75°F mean temperature and must
be multiplied by the installed thickness for thicknesses greater than 1 inch.

Cellofoam EPS Insulation Boards intended for use in EIFS systems have been found to comply with
ASTM C578 and ASTM E2430. The boards are manufactured at a minimum density of 0.90 lbs/ft3 and
have the ASTM C578 designation of Type I.
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UL Evaluation Report UL Evaluation Report (148 KB)



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