Asphalt shingles' tear strengths revisited 
NRCA tests the tear strengths of various asphalt shingle products

Additional information about asphalt shingles' tear strengths

Historical value 
by Krista Reisdorf Berns
F.J.A. Christiansen Roofing Co. Inc. reroofs a historical Milwaukee courthouse.

Real results 
by Dane Bradford
A case study reveals the benefits of a proactive approach to roof system maintenance.

Asphalt invasion 
by Dongqing Zhu
Asphalt shingle roof systems are establishing a presence in China

Overlooked opportunities 
by David M. Gersh
Learn how to benefit from federal programs targeted at small businesses.

Additional information about how to identify HUBZones

The value of valuations 
by Joseph L. Grah, CPA, CFA, ASA
It is important to find out how much your business is worth.

Focus 
Asphalt availability still is a concern in the roofing industry.
by Ambika Puniani Bailey

Flashings 

Manual Elements 
Learn how to install a cricket.
by Joan P. Crowe, AIA

Tech Today 
Specifying the correct type of polyisocyanurate insulation is crucial.
by Mark S. Graham

Safe Solutions 
Learn how to prevent slips on a roof surface.
by Peter Greenbaum

Capitol Hill 
A new law targets contractors.
by Craig Silvertooth

Workplace 
Learn some differences between tough-minded leadership and strong leadership.
by Karen L. Cates, Ph.D.

As I was saying ... 
Companies deserve thank yous for their good work
by Bill Good

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