Document Archives

Report on 8-in. Hollow Haydite Concrete Building Units

  • ID:

    52

  • ESCSI:

    3220.011

  • Author:

    V.L.

  • Publication Name:

    Underwriters' Laboratories Report

  • Type of Publication:

    Paper

  • Publisher:

    Underw. Lab. of Nat'l Board of Fire Underwriters

  • Dated:

    1930

  • Issue/Volume:

    September 4

  • Other ID:

  • Page(s):

    1-18+app & rec.

  • Reference List:

    N
  • Abstract:

    This is a formal V.L. report on fire resistance of 8″ hollow block made from haydite [expanded shale]. The reports conclude that such block may be classified as 3-hr. load bearing walls.