• Restoration/Preservation

    Custom Matching & Blending

    We've honed our masonry knowledge with dedication (some might say obsession), turning matching and analysis into an art. We love to share our experience, and provide on-site consultation and training for a range of audiences. Contact us to learn more!Restoration/Preservation

  • Concrete

    Designed for Quality

    Our special, Frerk-designed trucks mix on site and can adjust as needed: that means no hot loads, no waste, and you only pay for what you use. As our boss loves to say "Concrete fresher than ours hasn't been mixed yet!"Concrete

  • Building Materials

    Unmatchable Range

    "I've had nothing but the best experience working with Henry Frerk Sons. Their service is exceptional and their prices are extremely competitive. They have supplied my projects with everything from ready-mixed concrete and masonry materials to sewer supplies, blasting sand, and restoration chemicals. Henry Frerk Sons sincerely care about their customers!" - Mike, at Market Properties Building Materials

  • Restoration/Preservation

    Dedicated Experts

    “The team at Frerk are courteous and professional and their technical support is second to none. Vast product knowledge enables the tech team to answer the most complex usage and application-related questions.” - Roger, at London Stone Works Restoration/ Preservation

  • Training

    Professional Education

    We are committed to helping our customers achieve the best possible results using our materials. We offer a range of classes that cover historic masonry materials and techniques, repair techniques, and product certification. Training


Henry Frerk Sons was founded over 140 years ago by the determination and hard work of Henry Frerk, who described himself as a "sawed-off and hammered down German."




We are wrapping up our Winter workshop series with an all-new class on plaster repair on Thursday, April 6 from 9am-noon. This class will be taught by master plasterer Rory Brennan.  More…


Starting in April we are open Monday-Friday, 6:30am-4:00pm, and Saturday 6:30am-11:30am.


We have just added another session of our JAHN Certification Class, so you can get certified before the spring season! Learn more and register online.


Plan on attending one of our masonry workshops. We’ve brought back our popular classes and added some new ones. Most classes are free, but space is limited so sign up now.



August 15-18

Join us for food, a free tee-shirt, a chance to win prizes, and save 10% on popular brands, and meet product representatives to ask questions and get advice.


Monday, May 16, 2016

Chicago historian Wendy Bright has written a blog post about Henry Frerk Sons. Check it out on her website, WendyCity.


We are collaborating with the Association for Preservation Technology Western Great Lakes Chapter to sponsor an evening of socializing and masonry patching. Download the flyer for more information.




Frank Lloyd Wright's Unity Temple Restoration Foundation

Frerks was very happy to work on this project. We matched the lime plaster, matched the interior concrete and came up with a system for cleaning..

5 likes, 0 comments6 days ago

Not bad, hopefully it will dry a little darker. It is being used 12 floors up but we want it perfect.

6 likes, 0 comments6 days ago

*ask for references

0 likes, 0 comments3 weeks ago

Photos from Henry Frerk Sons's post

What you are looking at here is the best trowel in the world (Simon’s opinion). A thinner blade for cleaner work and less fatigue. 10″ long London..

8 likes, 1 comments4 weeks ago

Timeline Photos


7 likes, 1 comments1 month ago