Updating ASTM's polyiso standard

Abstract
NRCA recommends incorporating additional improvements into ASTM Standard C 1289 to make it more functional for polyisocyanurate users.

Date
11/2005

Author(s)
Mark Graham

Page(s)
17

Source
Professional Roofing / National Roofing Contractors Assn

Keyword(s)
ASTM polyiso standard; ASTM C 1289

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