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An example of Lithomex Stone Simulation
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Home Brick and Stone Surface Repair Material Saint-Astier® Lithomex®
Ecologic™ Mortar $30.00 – $68.00
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Carmeuse High Calcium Lime
Carmeuse High Calcium Lime $21.00
Saint-Astier

Saint-Astier® Lithomex®

Rated 4.96 out of 5 based on 27 customer ratings
(27 customer reviews)

$35.00 – $185.00

  • Click here for full-color images
  • Lithomex Color Chart
  • Why Saint-Astier® NHL? – Andy deGruchy

 

Clear
SKU: N/A Categories: All Products, Brick and Stone Surface Repair Material Tags: Brick and Stone Patching, Lithomex
MPN: N/A
Brand: Saint-Astier
  • Description
  • Additional information
Description

Description

Lithomex Brick and Stone Repair Material:

Lithomex is a specially formulated brick, stone, and terra cotta surface repair/ simulation material based on Pure Natural Hydraulic Lime and aggregates. Due to the presence of Natural Hydraulic Lime, Lithomex is porous allowing the composite repair to breathe. Furthermore, Lithomex comes in a neutral white or custom colored mortar supplied in 55 lbs (25kg) bags, which you can add mixing water too. Additionally, it is also available in units of 3 lbs or 15 lbs containers for smaller orders.

Environmental Requirements:

Users must follow the Manufacturer’s instructions when storing and handling materials to protect them from damage and moisture. In this regard, it is recommended to take necessary precautionary measures to assure excessive temperature changes do not occur. For instance, do not apply a patching mortar below the minimum ambient temperature of 45 degrees F and above the maximum of 85 degrees F. Furthermore, it is required that these temperatures are maintained for a minimum of 48 hours prior to the application and continue until Lithomex cures (for curing information please see the tech documents under “Data Sheets”). Likewise, during hot weather protect the repair from uneven and excessive evaporation during dry and hot weather. Finally, it is suggested to provide tarping over the outside of all scaffolding.

Research Articles

  • Evaluation of Comparative Repair Methods for Stone

Available in natural and 24 Stock Colors.

Custom Color variations available

Benefits

Benefits:

Lithomex’s unique qualities allow you to tool, shape and carve it even weeks after the final set takes place.  As a result, this affords sufficient time to achieve the very highest standard of work with the best quality reproduction. For successful surface repairs, the materials employed need to have certain characteristics.

Above all, these materials should have the following qualities:
  • Have characteristics sympathetic to the host masonry.
  • Attain an adequate bond strength.
  • Have a good modulus of elasticity.
  • Vapor permeable.
  • Durable.
  • Capable of dressing with similar tools to the original masonry.
  • Remain workable long enough to allow details to be fashioned.
  • Match in color and texture.
  • Repairs are always reversible.

Patching stone is very effective, affordable and can be reversible. The brick and stone repair/patching material must match the color and texture of the existing stone. As a result, the material must adhere well, process moisture, and have similar thermal expansion and weathering characteristics to the hose masonry. Lithomex will lend itself to a perfect match when a skilled craftsman is applying it. Lithomex fulfills these requirements in most cases.

Why SAINT-ASTIER® NHL?

Click here to get the PDF.

Coverage

Lithomex Bag Coverage
Thickness 1/4″ 1/2″ 3/4″ 1″ 2″
ft2 32 16 11 8 4

Color Samples

Color Chart:
  • Saint-Astier Lithomex Color Chart PDF
Disclaimer:

Many factors affect how these images may appear on your computer monitor and how it prints on your specific printer. It is suggested that you purchase the St. Astier Lime Paint Swatch to see the actual color. By purchasing the Paint Fan Deck you may view each swatch in the deck individually or hold one or more of these swatch cards to the surface of the wall to ascertain which stock color may be most appropriate for your application.

Submittal and Installation Data

Safety Data Sheets (SDS)

  • Safety Data Sheets (SDS)

Data Sheets

  • Saint-Astier Lithomex – Cutsheet
  • Manufacturer Datasheet
  • Technical Data Sheet
  • Technical Specifications

Additional Documents

  • Scholarly Study on Lithomex Performance
  • Color Chart
  • Product Leaflet
  • Lithomex Label

Blogs

Learning to Use Lithomex

Case Study on Masonry Repair and Patching Material – Lithomex

Replica Lithomex Brick for Charleston Old City Jail

Checking up on the Lithomex Repairs at the Metropolitan Museum of Art

Workshops

Each student must successfully complete the hands-on skills and pass an end-of-class written exam to receive the Level II Saint-Astier® Lithomex® Installer Certification which is valid for 5 years. Prior masonry experience is required.

ARTisAn Objective® Workshop MAS-06 Lithomex Brick & Stone Surface Repair

ARTisAn Objective® Workshop MAS-07 – Certified Saint-Astier® Lithomex® Installer Level II

Additional information
Weight N/A
Dimensions N/A
Brand

Saint-Astier

27 reviews for Saint-Astier® Lithomex®

5.0
Based on 27 reviews
5 star
96
96%
4 star
3
3%
3 star
0%
2 star
0%
1 star
0%

Customer Images

Image #1 from Greg Morris
Image #2 from Greg Morris
Image #3 from Greg Morris
Image #4 from Greg Morris
Image #5 from James P.
Image #1 from Greg Morris
Rated 5 out of 5

Greg Morris

January 4, 2022

This stuff is fantastic. A concrete brick wall was severely damaged by water trapped under thick layers of paint. After I removed the paint I had no idea what to do with them. I did not want to make hundreds of replacement bricks. When asking about another issue Daniel suggested Lithomex for surface repair of the bricks. It worked great. I was even able to restore some details on the corner bricks with the Lithomex. Here are some pictures of the project. One shows the work in progress o the brick resurfacing. The next shows the column with replacement bricks (dark) and the Lthomex repair (white). The last two show the final wall with Lime paint.

(2) (0)
Image #2 from Greg Morris
Rated 5 out of 5

Greg Morris

January 4, 2022

This stuff is fantastic. A concrete brick wall was severely damaged by water trapped under thick layers of paint. After I removed the paint I had no idea what to do with them. I did not want to make hundreds of replacement bricks. When asking about another issue Daniel suggested Lithomex for surface repair of the bricks. It worked great. I was even able to restore some details on the corner bricks with the Lithomex. Here are some pictures of the project. One shows the work in progress o the brick resurfacing. The next shows the column with replacement bricks (dark) and the Lthomex repair (white). The last two show the final wall with Lime paint.

(2) (0)
Image #3 from Greg Morris
Rated 5 out of 5

Greg Morris

January 4, 2022

This stuff is fantastic. A concrete brick wall was severely damaged by water trapped under thick layers of paint. After I removed the paint I had no idea what to do with them. I did not want to make hundreds of replacement bricks. When asking about another issue Daniel suggested Lithomex for surface repair of the bricks. It worked great. I was even able to restore some details on the corner bricks with the Lithomex. Here are some pictures of the project. One shows the work in progress o the brick resurfacing. The next shows the column with replacement bricks (dark) and the Lthomex repair (white). The last two show the final wall with Lime paint.

(2) (0)
Image #4 from Greg Morris
Rated 5 out of 5

Greg Morris

January 4, 2022

This stuff is fantastic. A concrete brick wall was severely damaged by water trapped under thick layers of paint. After I removed the paint I had no idea what to do with them. I did not want to make hundreds of replacement bricks. When asking about another issue Daniel suggested Lithomex for surface repair of the bricks. It worked great. I was even able to restore some details on the corner bricks with the Lithomex. Here are some pictures of the project. One shows the work in progress o the brick resurfacing. The next shows the column with replacement bricks (dark) and the Lthomex repair (white). The last two show the final wall with Lime paint.

(2) (0)
Image #5 from James P.
Rated 5 out of 5

James P.

October 23, 2022

It was easy enough to use but not trivial. This was our first time using it and we were very careful. We have some training (a CCUS class) but not in this product. We learned by reading how others used a similar product.

(0) (0)
Image #6 from Ellis Michaels
Rated 5 out of 5

Ellis Michaels

June 15, 2022

Great product for repairing gravestones. Easy to work with, does a great job joining broken pieces of stone.

(0) (0)
Image #7 from Ellis Michaels
Rated 5 out of 5

Ellis Michaels

June 15, 2022

Great product for repairing gravestones. Easy to work with, does a great job joining broken pieces of stone.

(0) (0)
Image #1 from Greg Morris
Image #2 from Greg Morris
Image #3 from Greg Morris
Image #4 from Greg Morris
Image #5 from James P.
Image #6 from Ellis Michaels
Image #7 from Ellis Michaels
1-5 of 27 reviews
  1. Dave Shaw
    Verified Customer
    July 6, 2021
    Rated 4 out of 5

    Excellent product. I do preservation work on historic sandstone grave markers in Southern Illinois that have a distinctive tan color. The Berea Sandstone Lithomex has excellent texture and workability but tends toward the grey rather than tan color. I compensate by adding 1 t. of yellow color tint and 1/8 t. of red or brown per cup of mix. I wish there was a version of this in a tan color.

    (3) (0)
  2. Greg Morris
    Verified Customer
    January 4, 2022
    Rated 5 out of 5

    This stuff is fantastic. A concrete brick wall was severely damaged by water trapped under thick layers of paint. After I removed the paint I had no idea what to do with them. I did not want to make hundreds of replacement bricks. When asking about another issue Daniel suggested Lithomex for surface repair of the bricks. It worked great. I was even able to restore some details on the corner bricks with the Lithomex. Here are some pictures of the project. One shows the work in progress o the brick resurfacing. The next shows the column with replacement bricks (dark) and the Lthomex repair (white). The last two show the final wall with Lime paint.

    Image #1 from Greg Morris
    Image #2 from Greg Morris
    Image #3 from Greg Morris
    Image #4 from Greg Morris
    (2) (0)
  3. Bobbie Mathis
    Verified Customer
    June 10, 2021
    Rated 5 out of 5

    Always a great product in use with cemetery repair. It’s sculptural nature lends itself for the more cosmetic repairs on tombstones.

    (1) (0)
  4. Kenneth Allan
    Verified Customer
    December 30, 2022
    Rated 5 out of 5
    (0) (0)
  5. James P.
    Verified Customer
    October 23, 2022
    Rated 5 out of 5

    It was easy enough to use but not trivial. This was our first time using it and we were very careful. We have some training (a CCUS class) but not in this product. We learned by reading how others used a similar product.

    Image #1 from James P.
    (0) (0)

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