Sinco Sales Co.
Tim Sinnott
Danville, CA 94506
Phone: (925)570-8884
Email: [email protected]
​Manufacturers Representatives for:          
Prosoco and Polyguard
Welcome to Sinco Sales Co. a manufacturer's representative company based in the San Francisco Bay Area. We sell sealants, waterproofing and concrete polishing products to all of the construction trades. We have access to the best construction distributors in California and provide on site sales and technical assistance.  We currently cover Northern California and Northern Nevada.
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Quick Links to our websites for technical data and MSD
  • Air and Water Resistive Barrier 
  • Building Cleaning Solutions 
  • Clear Water Repellents
  • Consolideck Polished Concrete Products 
  • Masonry Strengthening Systems
  • Anti Graffiti Sealers
  • Sheet Waterproofing Materials
  • Foundation and Podium Slab Waterproofing 
  • Wall and Window Flashing
  • Blindside Wall Waterproofing
  • Roofing Underlayment
Our Mission
Our mission is to provide concrete solutions for concrete problems, and to professionally provide the assistance you need in choosing a waterproof and or decorative system for your structure.

Company Profile

Sinco Sales Co. was founded by Tim Sinnott in September 2001.
​Tim's background includes:
  • 1979-Sales Manager for R.S. Hughes the nation's leading 3M distributor, selling adhesives and tapes to the electronic, OEM, industrial and construction markets.
  • 1985-Outside Sales for D.M. Figley, one of the premier construction sealant and waterproofing distributors in Northern California.
  • 1995-Established and opened the Northern California branch of H.A. Lowry and Assoc., a large sealant and waterproofing distributor based in Southern California.
  • 1999-Engineering Services Representative for W.R. Grace, calling on Structural Engineers to promote admixtures for concrete in 4 western states.
  • 2001-Opened Sinco Sales Co. representing Sonneborn then BASF Building Systems
  • 2007-Representing Polytuff Systems International
  • 2008-Representing Polyguard Products
  • 2011-Representing Prosoco

CONCRETE SOLUTIONS FOR YOUR CONCRETE PROBLEMS
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​Contact Information

Mobile Telephone
  • (925)570-8884
  •  Danville, CA 94506
Email