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  • Products
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    Laboratory

    • Free Observation of your Sample

    A series of basic tests performed by laboratory staff to subjectively determine the type of mortar or plaster submitted.

    • Color Simulations

    Lime Mortar, Brick, Paint, and Stone Simulations developed by our Laboratory that simulates the color, texture, and/or inclusions of submitted samples.

    • Historic Mortar Analysis

    Designed to help ascertain details about composition of a mortar for the purpose of recreating a historic blend or as a prelude to further instrumental analysis.

    • Instrumental Analysis

    Designed to help ascertain details about the composition of a mortar for the purpose of recreating a historic blend or as a prelude to further instrumental analysis.

    Email Tech Support

    Education & Consulting

    • Product Overview Webinar

    Educational webinars on LimeWorks.us products, services, and hands-on workshops.

    • Craftwork Training Center

    Hands-on workshops on repointing, plastering, brick & stone repair, historic wood windows, hempcrete and more hosted by the Craftwork Training Center.

    • On-site Consulting, In-House Installation, Product Training Programs

    LimeWorks.us offers an all-inclusive product training seminar and/or workshop that can be brought to your location.

  • Resources

    Resources

    • Product Documents

    Specifications, Cut Sheets, Installation Guidelines, and Recipes

    • Independent Scholarly Studies

    Reference articles from leading scholars, architects, and researchers

    • Material Calculator

    Estimate material for repointing, laying, or plastering

    • NHL Selection Tool

    A simple questionnaire to help you choose between NHL 2, 3.5, and 5 for your project

    • Quality Assurance System

    Juried-Art/Master ("JAM") Certification Quality Assurance System for Architects, Designers, and Specifiers

    • Hard Samples/ Stock Material Kits

    Samples and kits are designed to assist the contractor, architect, or conservator by giving them an on-site visual reference to evaluate

    • Blog

    Stay up to date on news, highlighted products & projects, and more

    • Color Samples

    Digital color samples for lime mortars, plasters, brick and stone repair, and mineral paints

    • DGM Mortar Color Visualizer

    View LimeWorks.us' DGM stock colors on a simulated brick and stone background

    • Recipes/ FAQ

    Lime Mortar, White Washing, and Log Chinking recipes & FAQ

    • Videos

    Webinars, How-to guides, and Video Submissions

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    About LimeWorks.us

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    LimeWorks.us Customers

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RECIPES
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19 Jun
Ecologic Mortar, Frequently Asked Questions, Information

Key Resources Explained

  • June 25, 2025
  • By author-avatar Ann Mumenthaler
  • 0 comments
We do a lot so you don’t have to! Education is a central component of LimeWorks.us’ mission. You may have seen the plethora of Re...

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18 Jun
Announcements, Information

deGruchy Masonry Restoration

  • August 14, 2024
  • By author-avatar Kyle Edwardson
  • 0 comments
deGruchy Masonry Restoration: 40th Anniversary This year, deGruchy Masonry, Inc. is celebrating 40 years of business in Masonry R...

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22 Apr
Information

Meet the Instructors

  • November 27, 2024
  • By author-avatar Nic Rubolino
  • 0 comments
With decades of combined experience, the dedicated team at Craftwork Training Center offers unparalleled expertise and personalized ...

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26 Mar
Information, Regional Heritage

Craftwork Training Center at Carpenters’ Hall

  • April 30, 2024
  • By author-avatar Nic Rubolino
  • 2 comments
CRAFTWORK TRAINING CENTER at CARPENTERS’ HALL The Carpenters' Company in Philadelphia, founded in 1724, boasts an incredible lega...

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07 Sep
Announcements, Information

APT Meet The Team

  • September 19, 2023
  • By author-avatar Nic Rubolino
  • 2 comments
We are thrilled to announce the LimeWorks.us team will be coming to Seattle for this year's Association for Preservation Technology ...

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22 Aug
Announcements, Information

Bee The Change

  • September 18, 2023
  • By author-avatar Nic Rubolino
  • 1 comment
Our Bee The Change initiative is here! We are giving away flower seed packets to help support the natural environment around us all....

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09 Aug
Frequently Asked Questions, General Installation Guidelines, Information

Lime Mortar vs Portland Cement

  • September 11, 2023
  • By author-avatar Nic Rubolino
  • 13 comments
Lime Mortar vs. Portland Cement Both pure Lime-based mortar and Portland Cement-based mortars have widespread use in construction...

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08 Aug
Frequently Asked Questions, General Installation Guidelines, Information

History of Lime Mortar

  • August 11, 2023
  • By author-avatar Nic Rubolino
  • 0 comments
History of Lime Mortar Lime mortar, an ancient building material with a legacy dating back thousands of years, is significant in ...

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21 Jul
Frequently Asked Questions, General Installation Guidelines, Information

Understanding D/2 Biological Solution

  • July 27, 2023
  • By author-avatar Nic Rubolino
  • 1 comment
D/2 Biological Solution: Safeguarding Cultural Heritage with LimeWorks.us Preserving and maintaining historic structures, monumen...

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20 Jul
Frequently Asked Questions, General Installation Guidelines, Information

How to Choose Sand

  • July 31, 2023
  • By author-avatar Nic Rubolino
  • 0 comments
How to Choose Sand How to choose sand at LimeWorks.us. When selecting sand for making mortars with Saint-Astier® Natural Hydrauli...

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LimeWorks.us Brands

Links To Other Conservation Organizations

Links To Other Conservation Organizations

National Park Service

National Trust for Historic Preservation

U.S. Green Building Council

PTN

APT International

AIC

Sealant, Waterproofing & Restoration Institute 

The Construction History Society

LimeWorks®.us Headquarters

LimeWorks.us Google Location

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Business Hours and Address

  • Monday - Friday, 7AM - 5PM
  • 3145 State Road, Telford, PA 18969

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Services

  • Free Observation of your Sample
  • Ordering Mortar, Brick, Paint, and Stone Simulations
  • Historic Mortar Analysis
  • Instrumental Analysis
  • Product Overview Webinar
  • On-site Consulting and Product Training

Resources

  • Material Calculator
  • Product Documents
  • Independent Scholarly Studies
  • Quality Assurance System
  • Color Samples
  • Videos
  • Blog
  • NHL Selection Tool
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2025 LimeWorks.us – Materials fit for purpose.
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