The U.S. Heritage Group provides everything necessary to develop a total historic mortar solution: architectural support services, scientific mortar testing, custom mortar matching, pre-blended lime mortars, stone repair mortars, specialized contractor on-site training, and quality control services. Many historic buildings are damaged by repair mortars that do not contain lime. USHG assists in educating architects, mason contractors, building owners as well as government agencies in the benefits of using traditional materials to preserve and restore America's masonry built heritage. Historically accurate mortar should always incorporate the original ingredients which, before 1931, almost always included lime putty.   Specializing in:   Mortar Testing, Historic Mortar Analysis, Mortar Matching, Masonry Skills Training Workshops, Lime Mortar, Lime Putty, Lime Paint, Harling, Stucco, Masonry Restoration, Working Advisor Service, Architecture/Design Support and Consultation.

Since 1984, deGruchy Masonry Restoration, Inc. has addressed the preservation needs of hundreds of 18th and 19th century buildings in Eastern Pennsylvania. They are nationally recognized experts in historic materials, including lime mortar, and offer both consulting and artisan services nationwide. Their dedication to and expertise in historic masonry can help prevent the restoration project from needlessly and permanently damaging the historic structure. By working directly with both conservator and masonry contractor they can help to insure the success of the restoration or repointing project.   Specializing in:   Historic Masonry, Lime Mortar, Terra Cotta, Render, Stucco, Repointing, Waterproofing, Consultation and Surveys, Masonry Restoration, Church Restorations, Masonry Cleaning, Historic Preservation, Needs Analysis Reports, Evaluation Masonry Specifications and Contractor Proposals.

Structural Restoration Services, Inc. furnishes comprehensive solutions for exterior building structural and waterproofing issues by drawing on their broad array of restoration and construction skills. Whether the project requires masonry restoration, cleaning, flashing, concrete repair, terra cotta restoration, cornice or structural work, SRS can furnish a turnkey solution. SRS artisans are certified by manufacturers in a range of building restoration products and processes. They can perform hands on pre-project inspections of inaccessible areas so that building owners can better understand the conditions and develop effective planning for restoration and maintenance. By maintaining clear communication through all stages of the project, SRS manages their projects within budget and on schedule.   Specializing in:   Condition Surveys, Masonry Cleaning, Caulking, Waterproofing, Concrete Restoration, Terra Cotta Restoration, Stone Restoration, Flashing, Historical Restorations, Masonry Restoration, Structural Repair, Repointing or Tuck Pointing, Grouting, Wall Systems, Epoxy Injection, Concrete Restoration, High Rise Buildings.

Manufacturer of historical lime mortar, Niagara Mature Lime Putty: fully slaked, screened, aged & ready for immediate use; resources available on mortar history, repointing, plaster & stucco applications.

Manufacturer of white cement for more than a century: used in many applications, such as cast stone, precast, GFRC, architectural concrete masonry, stucco, tile grout & cast in place; for swimming pools, spas, ornament, perimeter security, concrete roof tile, terrazzo & infrastructure.

Supplier of period ready-to-use historical repointing mortars: lime putty, hydraulic lime & pozzolans; mortar matching, lime washes & stone repair mortars; terra-cotta restoration; architectural support services, working advisors & lime-mortar workshops.