Transmineral

subsidiary of Saint-Astier®

  • Distributors
  • Contact Us
  • 0 items
  • About Saint Astier® NHL
    • What is Natural Hydraulic Lime?
    • What Makes NHL “Green”?
    • Why Use Saint Astier® Pure and Natural Hydraulic Lime?
    • Video About St. Astier NHL
    • Certificate of Conformity with European Norm EN-459
  • Technical Info
    • A Basic Guide to the Specifier
    • Lifecycle of Natural Hydraulic Lime
    • Hydraulicity & Properties
    • Composition of Raw Material
    • Mineralogy & Chemistry of Raw Materials
    • Tests & Research
    • Lime Binders in Context
    • Simplified Composition of Lime Binders
    • Quality Control & Testing Program
    • Health Product Declaration
  • Applications
    • Restoration
      • Plaster or Stucco on Wooden Lath
      • Plaster or Stucco on Metal Lath
      • Plaster or Stucco on Masonry – Block, Brick, Stone
      • Plaster or Stucco on Adobe, Cob
      • Masonry – Pointing & Repointing
      • Masonry – Injection Grouting
      • Masonry – Stone Repair (Lithomex)
      • Lime Paint
    • New Build Sustainable Construction
      • Plaster or Stucco on Wooden Lath
      • Plaster or Stucco on Metal Lath
      • Plaster or Stucco on Masonry – Block, Brick, Stone
      • Plaster or Stucco on Adobe, Cob, Earth Plaster
      • Plaster or Stucco on Strawbale
      • Plaster or Stucco on Concrete, Cement
      • Masonry – Cladding
      • Masonry – Bedding & Grouting
      • Flooring
      • Tile Setting
      • Interior Finishes
      • Lime Paint
    • Hemp Construction
  • Products
    • Natural Hydraulic Lime (NHL)
    • EcoMortar®
    • Stone Repair, Lithomex
    • Lime Putty, Décorchaux
    • Decofond
    • Venetian Plaster, Decoliss
    • Lime Paint
    • Batichanvre
    • Coulinex
    • Black Soap
  • Projects
    • Featured Projects
    • Restoration
      • Plaster or Stucco on Masonry – Block, Brick, Stone
      • Plaster or Stucco on Adobe, Cob
      • Masonry – Pointing & Repointing
      • Masonry – Bedding, Grouting, Injection
      • Masonry – Stone Repair (Lithomex)
      • Lime Paint
    • Interior Finishes
    • Art & Frescos
    • New Build Sustainable Construction
      • Plaster or Stucco on Metal Lath
      • Plaster or Stucco on Masonry – Block, Brick, Stone
      • Plaster or Stucco on Adobe, Cob, Earth Plaster
      • Plaster or Stucco on Strawbale
      • Masonry – Bedding, Grouting
      • Lime Paint
      • Hemp Construction
    • Restoration & Preservation
      • Archeological Preservation
      • Worldwide Buildings & Institutions
  • News & Blog
  • Resources
    • Related Products & Websites
    • Workshops
    • Research Papers
    • Frequently Asked Questions
  • Shop
  • Strawbale Walls Survive California Fires

    Recently CASBA, the California Straw Building Association, found some examples of strawbale homes … Continue Reading…

    Strawbale Walls Survive California Fires
  • Provo City Center Temple – Provo, Utah

    In 2010, the historic Provo Tabernacle experience a catastrophic fire. A few months after the fire, … Continue Reading…

    Provo City Center Temple – Provo, Utah
  • High-End Residence, Los Angeles, California

    This high-end, Los Angeles residence, featured NHL and … Continue Reading…

    High-End Residence, Los Angeles, California
  • Private Home – Petaluma, California

    In this extensive private project, all of the original plaster on the main home was removed and … Continue Reading…

    Private Home – Petaluma, California
  • Monadnock Building – San Francisco, California

    San Francisco's Monadnock Building, designed by Frederick H. Meyer, is famous for surviving both the … Continue Reading…

    Monadnock Building – San Francisco, California

Saint Astier® Natural Hydraulic Lime

Natural Hydraulic Lime (NHL) has been produced in Saint Astier since 30 BC and produced on an industrial scale since 1851. This time-honored product is enjoying a modern comeback due to its performance and beauty. Not only is natural hydraulic lime an important material in historical preservation and restoration of many buildings worldwide, Saint Astier® Natural Hydraulic Lime is also the safest and most natural green building product in the construction industry today.

• More information on NHL
• Technical Info for NHL
• Saint Astier® NHL Products
• Our Distributors

Building With Hemp & Hempcrete

Hemp Construction

Hemp Construction, or Hempcrete, is much like concrete and is used mostly to form insulating walls. Saint Astier® Natural Hydraulic Lime's hemp construction product is called Batichanvre. It is mixed with strands of hemp to produce a lightweight, well insulating material. Forms … [Read More...]

New Book: Life Before St. Astier NHL

Before pioneering the resurrection and orchestration of the comeback of natural hydraulic lime in the United States, many of you may not know that I enjoyed a previous life as a sailor for 10 years, living and sailing from France to San Francisco with my wife, Janis, and my two young children (a toddler and infant when we began) aboard our 42 ft sailboat Cowabunga. Author, journalist, and blogger Janis Couvreux, has now chronicled this period in her just released book, Sail Cowabunga! A Family’s Ten Years at Sea. You can discover it here!

Click for more information

Workshops

Strawbale Workshops

Strawbale.com offers a seven day comprehensive workshop that is designed to teach participants everything they need to know to build their own straw bale structure. The participants learn, hands on, about many facets of straw bale construction, including plaster prep work and natural plastering. http://strawbale.com/store/category/workshops/

Lime Product Training Workshops


ARTisAn Objective® Workshops


ARTisAn Objective® Workshops cover many subjects from repointing to stone repair. Please visit the LimeWorks website for the most current list of workshops and dates.

About TransMineral

TransMineral, USA was established in 1997 by Michel Couvreux, an architect in France and the U.S. His familiarity with traditional “old world” building techniques and materials have been instrumental in their revitalization in the U.S. along with his stewardship of implanting Saint Astier® Natural Hydraulic Lime in the North American building sector.

Quick Links

  • Distributors
  • Frequently Asked Questions
  • Customer Service
  • Legal Notes
  • Privacy Policy
  • Terms & Conditions
  • Contact Us

Connect With Us:

  • Facebook
  • Pinterest
  • YouTube

TransMineral USA, Inc. is proud to be a member of the following organizations and associations:

  • ASTM
  • •
  • APT
  • •
  • ADPSR
  • •
  • CPF
  • •
  • CASBA
  • •
  • Bay Area Build It Green
  • •
  • Petaluma Chamber of Commerce
  • •
  • USGBC - Redwood Empire

Copyright © 2023 TransMineral USA, Inc.
All Rights Reserved.