Why Choose Par One Construction


What Is GAF?
GAF was founded in 1856 and has grown to become America’s largest commercial and residential roofing supplier. They have set the highest standards in the industry with quality products that are guaranteed to withstand the test of time. The company has won countless awards and developed top-of-the-line products in the roofing industry.

Master Elite® Certification is GAF’s certification program that provides ongoing training to roofing contractors and assurance to you that the roof will be completed well and professionally. Only 2% of all roofing contractors have qualified as Master Elite.® Choosing a GAF Master Elite® contractor is your assurance that you’ll be dealing with a quality, and dependable professional contractor. Certified Master Elite® installer is a very distinguished status, and one that Par One is proud to offer residents of York, Adams, and Cumberland Counties.

GAF has three levels of quality certifications for roofing contractors:

  1. Authorized Roof Installer
  2. Certified Installer
  3. Master Elite Installer

Click here to learn more about qualifications for each level.


We know that replacing your roof is a big expense.  That’s why we provide financing options with flexible payments and top of the line 50-year warranties to protect your investment.

Good, Better, Best

When choosing a roof, we give you more than just shingles. We provide you with three options for complete roofing systems to fit your needs and your budget.