Resources

Mortars for Concrete Masonry

INTRODUCTION While mortar represents only a small proportion of the total wall area in concrete masonry construction (approximately 7 percent),…

Cleaning Concrete Masonry

Revised March 2005 INTRODUCTION Concrete masonry buildings offer exceptional beauty, coupled with attributes such as structural strength, durability, fire resistance,…

Control and Removal of Efflorescence

INTRODUCTION Efflorescence is a deposit of soluble salts and bases, usually white in color, that sometimes appear on the surfaces…

Removal of Stains From Concrete Masonry

INTRODUCTION With the continued use and expanding applications of architectural concrete masonry, segmental retaining wall units, and concrete pavers, exposed…

Steel Column Fire Protection

INTRODUCTION Because of its inherent fire resistant properties, concrete masonry is often used as a non-structural fire protection covering for…

Firestopping for Concrete Masonry Walls

INTRODUCTION Concrete masonry is widely specified for fire walls and fire barriers because it is noncombustible, durable and economical. Although…