Document Archives

Collection Lightweight Concrete Ballast Block For Flat Built Up Roofs

• ID:

  325

• ESCSI:

  3665.003

• Author:

  Phalen, Thomas E., Jr.

• Publication Name:

  Memo to ESCSI plus ads and two ENR articles

• Type of Publication:

• Publisher:

  Various

• Dated:

  1983

• Issue/Volume:

  September 20

• Other ID:

• Page(s):

• Reference List:

  N

• Abstract:

  From 1981 through 1983 lightweight concrete roof ballast block resulted from extensive tests under severe wind conditions. A proprietary ballast block called roofblok received research approval in 1982 or 1983 from International Conference of Building Officials.