June 2003
Search    

Reader supports NRCA's position | Letters

Letters 3.3 stars3.3 stars3.3 stars3.3 stars3.3 stars

Reader supports NRCA's position

Be the first to comment


I am writing in support of NRCA's position on polyisocyanurate insulation's thermal-resistance values as explained in "Comparing polyiso R-values," April issue, page 61.

For submittals, my current specifications require a sample of the insulation board being furnished to a project. This is not strictly done. The most recent submittal I received offered the material's label but was dated—in small print—1999.

I also require manufacturers to state the name or names of their products' principal blowing agents. I recently have received a manufacturer's letter indicating generic words of no meaningful value and have required three resubmittals with no improvement. It is clear the information never will arrive. I have advised the contractor to save representative samples with packaging labels and furnish them for reference if necessary. I recommend all purchasers of new products save all wrappers from every lot or truck with a matching material sample.

My conversations with people in the industry...



To read the article in its entirety, please log in or register (registration is free).

Log in or register for FREE access to this article and other Professional Roofing online content.

Not a professionalroofing.net user?

Register now for free access
  • Full access to every article
  • Online Web exclusive information
  • Photo gallery
  • Breaking news
  • Online classified ads

Already a professionalroofing.net user?

Log in now

User name:

Password:

 


Login help
Click here to have your user name and password emailed to you.




Comments (0) Login to post a comment or rating
There are no comments posted.

NRCA NRCA