HH-I-1972/3
August 12, 1981
FEDERAL SPECIFICATION
INSULATION BOARD, THERMAL, POLYURETHANE OR POLYISOCYANURATE
FACED WITH PERLITE INSULATION BOARD ON ONE SIDE
AND ASPHALT/ORGANIC FELT OR ASPHALT/GLASS FIBER
FELT ON THE OTHER SIDE OF THE FOAM
This specification was approved by the Commissioner, Federal Supply
Service, General Services Administration, for the use of all Federal
agencies.
This specification forms a part of the latest issue of Federal
Specification HH-I-1972/GEN.
1. SCOPE AND CLASSIFICATION
1.1 Scope. This specification covers the requirements for faced thermal
insulation boards composed of rigid cellular polyurethane or polyisocyanurate
faced with perlite insulation board on one side of the foam and asphalt/
organic felt or asphalt/glass fiber felt faced on the other side of the foam.
This specification does not cover cryogenic applications. For intended use
see 6.1 of HH-I-1972/GEN.
1.2 Classification. Unless otherwise specified (see 6.2 of HH-I-1972/GEN),
the thermal insulation boards shall be of the following styles as specified.
Style 1 - Faced with a perlite insulation board on one side and an
asphalt/organic felt on the other side of the foam.
Style 2 - Faced with a perlite insulation board on one side and an
asphalt/glass fiber felt on the other side of the foam.
2. APPLICABLE DOCUMENTS
2.1 Latest issue of HH-I-1972/GEN and documents referenced therein.
2.2 Other publications. The following documents form a part of this
specification to the extent specified herein. Unless otherwise indicated, the
issue in effect on date of invitation for bids or request for proposal shall
apply.
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