Owner manual

Duro-Last, “World’s Best Roof” and Duro-Guard are registered marks owned by Duro-Last, Inc.
U
p
dated: 11
/
4
/
2013
DURO-GUARD
®
EPS NAIL BASE
1 of 2 www.duro-last.com 800-248-0280
Description:
Duro-Guard
®
EPS Nail Base is a premium composite
insulation consisting of a superior closed-cell,
lightweight and resilient expanded polystyrene (EPS)
bonded to oriented strand board (OSB) or plywood.
The EPS board meets or exceeds the requirements
of ASTM C 578, Standard Specification for Rigid,
Cellular Polystyrene Thermal Insulation.
• Provides long-term thermal insulation value.
• A superior combination of high insulating
properties and a nailable surface.
• Incorporates APA-TECO Rated Exposure 1
OSB.
• Also available with plywood.
• Does not contain CFCs or HCFCs.
• Superior moisture resistance.
• Duro-Guard EPS Nail Base is not a
structural panel, and is suitable only for
installation over fully supported structural
decks.
• Available in two densities per ASTM C 578:
o Type II, 1.50 pcf.
o Type VIII, 1.25 pcf.
• Refer to Table 1 for physical properties.
Recommended Uses:
• Underlayment for Exceptional
®
Metals standing
seam metal roofs.
• Mechanically attached Duro-Last roof systems.
• Duro-Bond
®
roof systems.
• Metal retrofit roof systems.
Underwriters Laboratories Inc.:
• Refer to Duro-Last’s UL Listings
(TGFU.R10128) for assembly details
(www.ul.com).
Factory Mutual Global:
• Refer to FM Approval’s RoofNav for details on
FM Approved systems (www.roofnav.com).
Figure 1. Duro-Guard EPS Nail Base
Flat Panels:
• Typical sizes:
o 4 ft. x 4 ft. (1220 mm x 1220 mm).
o 4 ft. x 8 ft. (1220 mm x 2440 mm).
o Thickness: 1.5 to 11.75 inch (38 – 304 mm).
• Custom width, length and thickness available.
Contact Duro-Last with special requests.
• Refer to Table 1 for typical R-values.
.
TABLE 1. TYPICAL THERMAL VALUES
THICKNESS* R-Value
inches mm TYPE II
2.00 51 6.4
3.00 76 10.5
4.00 102 14.1
5.00 127 18.2
6.00 152 21.8
7.75 196 28.5
9.75 247 36.2
11.75 298 43.9
* Contact Duro-Last for additional thickness options