The value of waterproofing or sealing of masonry materials has been recognized to be and essential part of maintaining masonry buildings today. Waterproofing and Sealing of brick, stone , split face block and concrete is needed in most areas of the country. Brick and stone may not absorb water the way split face block and concrete would but the mortar in all masonry material can. More information on brick is available at:

http://www.masoncontractors.org/aboutmasonry/whymasonry/