PROJECTPROFILE Sunny Days Ahead for HP HQ Roofing System, thanks to Dynamic Duo of DensDeck ® Prime and Sika Sarnafil ® Membrane Hewlett-Packard (HP) Global Operations Headquarters Palo Alto, California continued When night falls over Palo Alto, the work begins. As thousands of Silicon Valley employees exit Hewlett-Packard (HP) global operations headquarters to head home for the evening, a crew of 25 roofers – under the glare of tempor

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