John Calicdan

Maintenance Manager at PABCO® Gypsum

John Calicdan is an experienced Maintenance Manager with a strong focus on safety, equipment reliability, and overall plant efficiency. Currently serving as Maintenance Manager at PABCO® Gypsum since May 2024, John previously held similar roles at FCC Environmental Services and Republic Services, where responsibilities included managing facility mobile and stationary equipment. John also provided consultancy on winter outages for cement plants through John Calicdan Inc. LLC. With extensive experience at Lehigh Hanson, including positions as Sr. Maintenance Manager and Sr. Plant Planner, John's background encompasses annual shutdown management, maintenance planning, and engineering innovations. John began the professional journey as an Engineer in Training at Holcim and has a Bachelor of Science in Mechanical Engineering from Don Mariano Marcos Memorial State University.

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Rocklin, United States

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PABCO® Gypsum

Navigating the construction industry is challenging. Building professionals, like you, are on a mission every day­ to find products, processes, and people that make your project exceptional, while simultaneously adhering to stringent building codes. PABCO® Gypsum makes one part of this process easier — ‘ROCKING’ your walls. Because you don’t have time for ordinary or difficult. Whether you’re ‘ROCKING’ residential or commercial, interior or exterior walls — insuring they’re fire-resistant, protected from mold and moisture, or acoustically sound — you can count on it being easy with PABCO® Gypsum. As an established drywall manufacturer since 1972, and part of the PABCO® Building Products family, our purpose is to proudly build a lasting culture where people matter, belong and succeed whether employee, customer, or vendor. Access all the tools and resources you need to make your job easier at PABCOGypsum.com: -Design more efficiently in Revit using our BIM library -Simplify and accelerate your estimating process with On Center’s On-Screen Takeoff® and Quick Bid® -Specifying PABCO® products is fast and easy with MasterSpec® -Customized and downloadable submittal sheets make building your Submittal Package faster -Find products when and where you need them with our Dealer Locator -Sound Design Guide™ is your most transparent resource for sound and fire information -Get fresh ideas and inspiration inside the Project Gallery -Earn your AIA Leed Credits with monthly webinars and training -Friendly expert Technical Support Reach out to one of our specialists today: SALES SUPPORT Gypsum Products (877) 449-7786 QuietRock Products (800) 797-8159 TECHNICAL SUPPORT Gypsum Products (866) 282-9298 / techservice@PABCOgypsum.com QuietRock and Acoustic Support (800) 797-8159 / info@QuietRock.com