© 2014 Foundation Supportworks
®
,
Inc.
All Rights Reserved
p 360
Chapter 5
PolyLEVEL
®
Polyurethane Foam and Resin
APPENDIX 5B
MODEL SPECIFICATIONS
2.1.2 ASTM D1622/D1622M: Apparent Density of Rigid Cellular Plastics
2.1.3 ASTM C273: Shear Properties of Sandwich Core Materials
2.1.4 ASTM D2842: Standard Test Method for Water Absorption of Rigid Cellular Plastics
3
APPROVED POLYURETHANE FOAM MANUFACTURERS
3.1 Foundation Supportworks
®
, Inc., 12330 Cary Circle, Omaha, NE 68128; Phone: (800) 281-8545;
Fax (402) 393-4002.
3.2 Due to the special requirements for design and manufacturing of polyurethane foam, the system
shall be obtained from Foundation Supportworks
®
, Inc., or other qualified manufacturer with
an approved equivalent product. A request to substitute any other manufactured polyurethane
foam product must be submitted to the Owner for review not less than seven (7) calendar days
prior to the bid date. The request must include:
3.2.1 Documentation of at least five years of production experience manufacturing
polyurethane products for similar applications,
3.2.2 Documentation that the manufacturer’s polyurethane products have been used
successfully on at least five similar projects within the last three (3) years, and/or,
3.2.3 Product acceptance by the local building code official(s) having jurisdiction over the
project.
4
ACCEPTABLE PRODUCTS
4.1 Two-part, closed-cell, polyurethane foam products PolyLEVEL
®
400 and PolyLEVEL
®
400H
manufactured in accordance with the requirements of Sections 5.1 and 5.2 of this specification.
5
MATERIALS
5.1 PolyLEVEL
®
400 Two-part, High-density Polyurethane Foam
5.1.1 Two-part, one to one ratio by volume, closed-cell, high-density polyurethane foam
system.
5.1.2 Viscosity: The viscosities of the resin and diisocyanate are 700 to 900 centipoise (cps)
and 150 to 250 cps, respectively, in accordance with ASTM D2196.
5.1.3 Unit Weight: The unit weights of the resin and diisocyanate are 9.4 lb/gal and 10.25 lb/
gal, respectively, in accordance with ASTM D1475.
5.1.4 Minimum free-rise density of at least 3.8 lb/cubic foot per ASTM D1622.
5.1.5 Minimum molded compressive strength of at least 85 psi per ASTM D1621.
5.1.6 Minimum molded shear strength of at least 120 psi per ASTM C273.
5.1.7 Maximum water absorption of less than or equal to 0.03 lb/square foot when tested per
ASTM D2842.
5.1.8 Achieve 90% compressive strength in 15 minutes.
