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About This Item

 

Full Description

This specification covers the requirements for faced thermal insulation boards composed of rigid cellular polyurethane or polyisocyanurate faced with perlite board on both sides of the foam. This specification does not cover cryogenic applications. Includes Validation notice 1 (2/7/1991).
 

Amendments, rulings, supplements, and errata

  1. FED HH-I-1972/5 Notice 2 - Cancellation


    INSULATION BOARD, THERMAL, POLYURETHANE OR POLYISOCYANURATE FACED WITH PERLITE BOARD ON BOTH SIDES OF THE FOAM (NO S/S DOCUMENT)

  2. FED HH-I-1972/5 Notice 1 - Validation


    INSULATION BOARD, THERMAL, POLYURETHANE OR POLYISOCYANURATE FACED WITH PERLITE BOARD ON BOTH SIDES OF THE FOAM (NO S/S DOCUMENT)