Contents

MARCH 2015 | VOL. 45 ISSUE 3

COLUMNS

Focus

NRCA's new app offers NRCA publications free to members and their employees.

Tech Today

NRCA tests reveal polyisocyanurate R-values are lower than product manufacturers' published long-term thermal resistance values.

Capitol Hill

With a pro-business majority now in Congress, NRCA is working to advance legislation designed to provide the roofing industry relief from burdensome regulations.

As I was saying …

The 2015 International Roofing Expo® affords contractors a unique opportunity to interact with and learn from peers.

DEPARTMENTS

FEATURES

It is vital nailers be appropriately designed and installed to achieve good wind-uplift performance.

Facing the wind - Nailer attachment is one key to achieving good wind-uplift performance

Physics can disprove an urban legend about moisture accumulation in highly reflective roof membranes.

Roofing folklore - Physics can disprove an urban legend about moisture accumulation in highly reflective roof membranes

James Myers Co. Inc. restored multiple roof systems on the Dumbarton Oaks estate in Washington, D.C., and received a Gold Circle Awards honorable mention for its work.

Revitalizing an estate - James Myers helps renovate Harvard University's Dumbarton Oaks

Knowing the law and requiring the parties with whom you contract to comply may improve your cash flow and help you avoid liability.

Rules of retainage - State laws have been changing regarding payment of retainage for construction projects

CNA now offers coverage to protect against design errors and omissions, pollution and mold.

Ensuring insurance - Investing in innovative insurance protection can alleviate your liability

The International Code Council recently updated and published revised editions of its model codes.

Keeping up with I-codes - Changes to the 2015 I-codes affect roof system designs