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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

  • Installers
  • About

    About LimeWorks.us

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    • Tell us Your Story

    LimeWorks.us Customers

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Frequently Asked Questions

Old Stone Basement Foundation FAQ

Posted by author-avatar Daniel
June 10, 2015
0
This is part of a series of blog entries that will feature mason, Randy Ruth. Randy was the former lab technician at LimeWorks.us an...
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Frequently Asked Questions

Let’s Talk Sand

Posted by author-avatar Daniel
June 8, 2015
0
Our Ecologic™ Mortar uses a sharp well graded proprietary blend, so it’s not just ANY sand! The dictionary definition of Sand: weat...
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Mt. Vernon
19 May
Historic Conservation

Restoring Mt. Vernon’s Upper Garden Wall

Posted by author-avatar Daniel
September 17, 2021
0
by Debra Grube and Samantha Horvath LimeWorks.us is providing a custom blend of our Ecologicâ„¢ Mortar for the restoration of Mt. V...
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Information

The Stonemason’s Gospel According to Ian Cramb

Posted by author-avatar Daniel
January 22, 2021
0
Lime Explained by Andrew deGruchy (pg. 143) (Get the Book) Limestone, the material calcium carbonate, has never changed from its...
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13 May
Information

Learning to Use Lithomex

Posted by author-avatar Daniel
August 13, 2025
0
Recently some of the employees of LimeWorks.us had the opportunity to learn more about our product Lithomex from Douglas Johnston, o...
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Information

Masonry Pore Structures

Posted by author-avatar Daniel
February 28, 2014
0
Lime putty for mortar has been in known use for over 6000 years. Modern Portland cement, lime and sand mortars have dominated for le...
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Information

St. Astier Natural Hydraulic Lime for Historic Restoration, Conservation and New Build Projects

Posted by author-avatar Daniel
February 6, 2014
0
Prior to the 1940’s many brick and stone buildings were constructed with lime and sand for mortar. Many times these limes were inadv...
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Sustainable Building

Lime as a Green Build Material

Posted by author-avatar Daniel
April 12, 2023
0
Here’s How St. Astier Natural Hydraulic Lime (NHL) Plays An Important Role In Construction As A Green Build Material. St. Astier is...
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21 Oct
Historic Conservation

Restoring St. Patrick’s Cathedral

Posted by author-avatar Daniel
October 29, 2019
1
An Undertaking of Passion and Love LimeWorks.us is a big part of helping to restore a prominent landmark in New York City, St. Patri...
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Sustainable Building

Another Successful Straw Bale Building with Natural Hydraulic Lime Plaster – Little Rock Arkansas

Posted by author-avatar Daniel
May 28, 2013
0
Straw bale construction is the best of both worlds, it is a green and sustainable way of building and can be affordable with low mai...
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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

Find a Retailer Near You

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Business Hours and Address

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

Contact Us

  • 215-536-6706
  • (Fax) 215-453-1310
  • Email us

General Links

  • Home
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Products

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  • Limewash Mineral Paints & Stains
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  • Supplements
  • Restoration Kits
  • Workshops & Education
  • Tools
  • In Store Only

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
  • Find a Retailer Near You
  • Quality Assurance
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2025 LimeWorks.us – Materials fit for purpose.
  • Menu
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  • Lime Mortars & GroutsLime Mortars & Grouts
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  • Aggregates & SupplementsAggregates & Supplements
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  • In Store Only
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  • Products
    • Lime Binders
    • Lime Mortars & Grouts
    • Brick and Stone Surface Repair Material
    • Lime Plaster & Stucco
    • Lime Concrete
    • Limewash Mineral Paints & Stains
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    • In Store Only
  • Services
    • Free Observation of your Sample
    • Color Simulations
    • Historic Mortar Analysis
    • Instrumental Analysis
    • Email Tech Support
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  • Resources
    • Product Documents
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