February 2005


Procuring polyiso 

PIMA advises roofing contractors about handling the polyisocyanurate shortage.

Treading lightly 

The reroofing of West Virginia University's domed coliseum required unique installation.

A blowing agent update  4 stars4 stars4 stars4 stars4 stars

Learn how changes to polyisocyanurate has led to the product's survival.

The China factor  5 stars5 stars5 stars5 stars5 stars

Get an overview of the Chinese economy and the role China plays in tbe global roofing market.

Roofing in Canada  5 stars5 stars5 stars5 stars5 stars

Environmental, health and safety issues are among the significant factors affecting the Canadian roofing industry.

Calculating temperature gradients  5 stars5 stars5 stars5 stars5 stars

Temperature is a key issues when using vapor retarders.


Implementing CEO's advice can help grow your company.


Capitol Hill 
The roofing industry could benefit from some of President Bush's proposals, such as energy legislation and lawsuit abuse issues.

Legal Ease  4.7 stars4.7 stars4.7 stars4.7 stars4.7 stars
Learn how to handle material shortages and price escalation.

Manual Elements 
Learn to install SPF base and through-wall flashings.

Tech Today 
The NRCA Waterproofing Manual complements NRCA's fifth edition of The NRCA Roofing and Waterproofing Manual.