© 2014 Foundation Supportworks
®
,
Inc.
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p 361
Chapter 5
PolyLEVEL
®
Polyurethane Foam and Resin
APPENDIX 5B
MODEL SPECIFICATIONS
5.2 POLYLEVEL
®
400H Two-part, High-density, Hydrophobic Polyurethane Foam
5.2.1 Used in applications where water is present beneath the slab.
5.2.2 Viscosity: The viscosities of the resin and diisocyanate are 700 to 950 centipoise (cps)
and 150 to 250 cps, respectively, in accordance with ASTM D2196.
5.2.3 Unit Weight: The unit weights of the resin and diisocyanate are 9.7 lb/gal and 10.25 lb/
gal, respectively, in accordance with ASTM D1475.
5.2.4 Minimum free-rise density of at least 3.8 lb/cubic foot per ASTM D1622.
5.2.5 Minimum molded compressive strength of at least 85 psi per ASTM D1621.
5.2.6 Minimum molded shear strength of at least 120 psi per ASTM C273.
5.2.7 Maximum water absorption of less than or equal to 0.03 lb/square foot when tested per
ASTM D2842.
5.2.8 Achieve 90% compressive strength in 15 minutes.
6
QUALIFICATIONS OF INSTALLING CONTRACTOR
6.1 The Installing Contractor shall submit to the Owner a proposal including the documentation
required in this section. Work shall not begin until all the submittals have been received and
approved by the Owner. All costs associated with incomplete or unacceptable submittals shall
be the responsibility of the Installing Contractor.
6.2 Evidence of the Installing Contractor’s competence in the installation of polyurethane materials
shall be provided to the Owner’s satisfaction and may include any or all of the following:
6.2.1 Polyurethane manufacturer’s certificate of competency in installation of polyurethane
materials,
6.2.2 A list of at least three similar projects completed in the previous three years wherein the
Installing Contractor installed polyurethane similar to those shown in the project Plans.
Such a list shall include names and phone numbers of those project representatives
who can verify the Installing Contractor’s participation in those projects, and/or,
6.2.3 A letter from the polyurethane manufacturer or manufacturer’s representative expressing
ability and intent to provide on-site supervision of the polyurethane installation.
6.3 A listing of all safety violations lodged against the Installing Contractor within the previous three
years and the current status or final resolutions thereof. Descriptions of safety improvements
instituted within the previous three years may also be submitted, at the Installing Contractor’s
discretion.
7
PRE-CONSTRUCTION SUBMITTALS
7.1 Within two (2) weeks of receiving the contract award, the Installing Contractor shall submit the
following documentation:
7.1.1 Certification that the proposed polyurethane material meets the requirements of Section 5.
7.1.2 Qualifications of the Installing Contractor per Section 6.2.
