Certified On-site Massachusetts Highway Department Testing Facilities

Certified On-site Rhode Island Department of Transportation Testing Facilities.

ASCE  (American Society of Civil Engineers)
AGC    (The Associated General Contractors of America)
NSA    (National Stone Association)
NAPA (National Asphalt Pavement Association)

Our in-house quality control experts have achieved certifications in:

  • Troxler
  • Superpave Asphalt Mixture Design
  • Marshall Asphalt Mixture Design
  • American Concrete Institute
  • New England Transportation Plant Technician

J.H. Lynch & Sons, Inc. owns and operates a quarry, 5 asphalt plants and a ready mix concrete plant.  We manufacture an excess of 1,000,000 tons of processed materials each year.

  • Asphalt - Over  50 Mix Designs
  • Recycled Asphalt Pavement
  • 3/8 Stone
  • ½ Stone
  • ¾ Stone
  • Reclaimed Gravel Borrow
  • Crushed Recycled Concrete
  • 1 ½+ Processed Gravel
  • Various Rip Rap Material
  • Washed Stone Sand

Our blasting and crushing operations enable us to guarantee the highest quality finished products by ensuring only high quality aggregates are used.  These high standards are maintained by our quality control regimen, testing facilities, and our team of certified professionals.

To comply with public sector work we have certified testing laboratories at each of our production facilities.  We apply stringent regulation and dedication to quality to all private work and outside sale of materials as well. 

Although much information is available on the technical properties of aggregates, very little is known about sand. In fact the only test routinely carried out is a grading analysis.