Historic Masonry Repointing and Masonry Repair Certification Training – In-House

Join us at the US Heritage Group Headquarters for Lime Putty Mortar and Stone Repair Training available in back-to-back certification sessions. Take individual classes or all three to cover all your bases.


Lime Putty Mortar Installer Certification Training (One Day)

Learn the tricks to “Walk-Away Installation” that can give you a competitive advantage by producing superior results. Eliminate unnecessary, inappropriate and potentially damaging work caused by problems with mortar mixes, joint removal, installation, tooling, curing and cleaning. Specifiers & masonry contractors agree that this one-day training is one of the best investments they made in the past year. This course covers:

  • History of lime and portland cement use in masonry
  • Technical information about building limes performance & life expectancy
  • Mortar recipe basics
  • Color matching considerations lime putty mortar mixing
  • Non-destructive mortar removal methods including tool selection criteria
  • Proper wall preparation
  • Installation techniques
  • Joint finishing (Creating the 100yr Look without Acid Burning)
  • Curing methods & considerations
  • How to deliver the best mock-up sample every time

Stone Repair Certification Training – Level 1 (One Day)

Masonry Repair Training and Certification – Level 1 workshop delivers straightforward strategies and techniques for basic masonry unit repair from start to finish using stone to stone bonding adhesive and stone patching mortar. Work hands-on with master stone conservators to build skills that can be applied to repair of limestone, sandstone, brownstone, terra cotta and brick. This course covers:

  • Properties of stone in building envelopes lecture
  • Stone deterioration causes lecture
  • Stone reconstruction project case studies lecture
  • Deteriorated stone removal hands-on training
  • Cleaning and neutralizing efflorescence hands-on training
  • Color matching basics lecture
  • Bonding broken stones hands-on training
  • Casting stone from molds demonstration
  • Stone patch dressing basics hands-on training

Stone Repair Certification Training – Level 2 (One Day)

Masonry Repair Training and Certification – Level 2 workshop delivers advanced strategies and techniques for architectural masonry repair of challenging materials and situations. Learn to execute masonry repairs on challenging surfaces with stunning visual accuracy. Work hands-on with master stone conservators to build skills that can be applied to repair architectural and decorative concrete, cast stone and granite. This course covers:

  • Advanced masonry repair challenges Lecture
  • Surface Preparation hands-on training
  • Movement crack stabilization in-situ by crack injection
  • Non movement crackvoid filling by dispersed lime injection mortar
  • Surface patching of coarse grain substrates
  • Surface restoration of concrete paste using dispersed lime spachtel
  • Surface color adjustment using mineral stain


Classes will be held at:

US Heritage Group Training Center

3516 N. Kostner Ave

Chicago, Il 60641

For more information or to register for this event, contact Tai Olson at 773.286.2100 ext. 309 or at info@usheritage.com.