Jon Robinette "The Mastic Man!"  - Your offical Bay Area expansion joint sealer
About Us

  • High quality products and service
  • Competitive prices
  • Commercial and residential
  • Serving entire greater bay area
  • Free quotes

Our company has been in business for over 12 years and we have performed thousands of mastic installations for a wide variety of individuals and companies.  We have an excellent reputation for providing great service at competitive prices that exceed expectations. Our customers appreciate our attention to detail and ability to finish jobs on schedule.  A high percentage of our business is from repeat customers and referrals. We have installed mastic around countless residential pools, shopping centers, public walkways, corporate campuses and buildings, community pools, apartment complexes and hotels just to name a few. 

We serve commercial and residential clients all throughout the greater bay area. No job is too big or small.

We always provide free, no obligation quotes and would welcome the opportunity to earn your trust and deliver you the best service in the industry!

Business Hours:

Mon - Fri: 8AM - 6PM

Business Contact Info:

Phone: (408) 887-4600
e-mail: jondarwin@earthlink.net


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