Roles

President's Message
MCAA

G. Alan Griffin
President, Mason Contractors Association of America

Strategic Planning
Creates Successful Future

The Mason Contractors Association of America (MCAA) is guided by a core pur

The Big Secret...
What Non-Stop learned when we were a large masonry contractor...

Non-Stop was born from the lessons we learned as a masonry contractor ourselves. We were as large as any and more profitable than most. But we never bec

LIME MORTAR

BRICKWORK RESTORATION: HOW TO WORK WITH LIME

As you are all aware, when it comes time to repoint buildings that have been built with traditional limed-based mortars, the common masonry cement mix that most of us apply on a

LIME MORTAR

The longer lime is left as putty, the more workable it will be in the end. Over time, the lime putty undergoes a process whereby the lime crystals reduce in size upon aging and transform into small plates that slide when rubbing aga

LIME MORTAR
The most commonly used pozzolans are: brick dust made by crushing and sieving soft, under-burnt bricks; volcanic ash, called trass; or calcined china clay, sold under the name of Polestar or Metastar. These are specialized restoration pr

Company Profile

MK

PHOTOS COURTESY OF MK DIAMOND PRODUCT

Photos clockwise from left: MK family group picture (Robert and Brian Delahaut standing front and center); Machine shop located in the MK main building; Tile assembly li

News
Educational programming related to Cityscapes Revealed is offered throughout the exhibition, with programs for professionals, adults and youth.

The National Building Museum is America's premier cultural institution dedicated to explori

News

learn maintenance and repair procedures, review regulatory requirements, explore solutions to masonry problems, and participate in a masonry construction demonstration.

For further information, contact Raymond C. Matulionis at (60