Duro-Last EPS Fan Fold - Manual

Duro-Last, “World’s Best Roof” and Duro-Guard are registered marks owned by Duro-Last, Inc.
Updated: 12/4/2013
DURO-GUARD
®
EPS FAN FOLD
1 of 2 www.duro-last.com 800-248-0280
Description:
Duro-Guard ® EPS Fan Fold is manufactured with a
rigid expanded polystyrene (EPS) core and wrapped
with tough facers which create a durable water
resistant board. EPS is a closed cell foam which is
highly resistant to heat flow and moisture penetration.
The film facers are compatible with Duro-Last roof
membrane.
 Use as a recover board over:
o Granulated or smooth cap sheets.
o Smooth built-up roof systems.
o Gravel surfaced built-up roofs.
o Single-Ply membranes.
 Inert, non-nutritive, and highly stable.
 Contains no CFCs, HCFCs, HFCs or
formaldehyde.
 Superior moisture resistance.
 Type VIII, 1.25 pcf, per ASTM C 578.
 Refer to Table 1 for physical properties.
Recommended Uses:
 Mechanically attached Duro-Last roof systems.
Underwriters Laboratories Inc.:
 Refer to Duro-Last’s UL Listings
(TGFU.R10128) for assembly details
(www.ul.com).
Figure 2. Duro-Guard EPS Fan Fold Dimensions
Figure 1. Duro-Guard EPS Fan Fold
TABLE 1. TYPICAL PHYSICAL PROPERTIES
Property Test Method Type VIII
Density
(nominal)
ASTM C 303 1.25 pcf
R-Value
(per inch)
@75°F
ASTM C 518
or
C 177
1.9
Compressive
Strength
(10% deformation)
ASTM
D 1621
13 psi
Flexural Strength ASTM C 203 ≥ 30 psi
Water Vapor
Permeance
ASTM E 96 < 1.0 perm
Water Absorption ASTM C 272 < 1.0%
Flame Spread ASTM E 84 20
Smoke Developed ASTM E 84 150 - 300
Board Dimensions:
 1/2 inch (13 mm) Thick.
 4 ft. x 50 ft. (1.2 m x 15.2 m).
 200 square-foot (18.5 m²) Coverage.