About | Contact | JOIN

Technical library detail

ASTM polyiso standard updated

Professional Roofing



polyiso standard

The updated ASTM C1289, "Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation" begins to address some of NRCA's ongoing concerns related to polyisocyanurate insulation used as a comonent of low-slope membrane roof assemblies.

Note: Documents in this section are provided as Adobe Acrobat PDF files. In order to print and view PDF files, the Adobe Acrobat Reader software/plugin, which runs on Microsoft Windows, Macintosh, OS/2 and various versions of UNIX, must be installed on your computer. Adobe Acrobat Reader is available for download as freeware from Adobe Acrobat's website. Please note that the resolution of on-screen versions is not as high as printed versions of PDF files.


Find a contractor

Roof type

ZIP Code

Find roofing contractors by state

Sponsored links