What Sand Should I Use With Natural Hydraulic Lime For Repointing My Building? FAQ Friday

Quick and short of it…. Make sure the sand meets ASTM C-144. But you might ask yourself, what the heck does that mean? ASTM C-144 is a standard specification for aggregate for masonry mortar, brought to you by the American Society for Testing Materials (ASTM). To start off many people will use the term aggregate […]

Case Study on Masonry Repair and Patching Material – Lithomex

Damaged stone and brick is a common problem for many historic structures around the world. Lithomex is a breathable in-kind repair material for most types of damaged stone and brick. The following is an example of a Lithomex repair on a historic 19th century stone house… Lithomex Repair in Merion Station, PA: This house, located in […]

“Soft Reds and Hard Tans” Exploring Historic Masonry Architecture in the French Quarter

New Orleans. It’s quite the town especially during the weeks leading up to Mardi Gras, known as Carnival. Technically beginning on January 6th and concluding on the day before Ash Wednesday (aka Fat Tuesday), the long celebration is concentrated on the final few weeks, giving rise to more frequent parades and events.  Granted I had […]

Repairing Broken and Damaged Stone and Brick using Lithomex – FAQ

Of course following the Lithomex technical data sheet is important to ensure a quality application, but what about the little things that can’t fit on one sheet of paper?  The small details that help make good finish “POP” into a quality indistinguishable patch. There are many things that are far to subtitle to translate onto paper […]

The Mysterious Newport Tower, Restored Using Natural Hydraulic Lime

The Newport Tower is a peculiarly placed piece of stonework.  It currently resides in Touro Park surrounded by one of the ritziest resorts on the eastern seaboard.  Often called the “Old Mill”, it’s generally accepted to have once been a windmill built in the mid 17th Century. But some believe it was built much earlier either […]

A Green Portland Cement Alternative, FAQ Friday

You might ask yourself… How is Natural Hydraulic Lime (NHL) a green building material? The simple answer would be that it releases about 80% less CO2, pound for pound when compared to Ordinary Portland Cement (OPC) during the manufacturing process. But why is this so? Well that requires a bit of understanding on the manufacturing […]

Lime Paint Brush (Natural Bristle) vs other paint brushes? FAQ

Often when applying Lime Paint the surface texture may be rough, such as that of a brick, stone or stucco. A good brush for Lime Paint should be made of a high quality, durable natural bristle. What would be the most distinctive difference is the size. The wider thicker ferrule allows for more bristles and […]

Restoration of the Eldridge Street Synagogue in New York City with Ecologic™ Mortar

In the heart of what is now Chinatown on the Lower East Side in Manhattan lives the Eldridge Street Synagogue. A very important Jewish Synagogue built in the late 1800s, it was the first synagogue to be built by the Eastern European Jews emigrating from Russia, Romania and Poland. The synagogue flourished for its first […]

Chalky Finish With Lime Paint, FAQ Friday

Q: I want to use Lime Paint as a finish of my basement walls but am worried about it chalking. What can I do to prevent or fix this? A: When used as a finish over any sort of acceptable masonry, Lime Paint can create a beautiful durable finish when applied appropriately. Chalking of a […]