Page 103 - Masonry and Concrete
P. 103
Understanding Masonry
102 CHAPTER FOUR
SOLID UNIT PAVERS
GRID PAVERS
FIGURE 4-13
Concrete masonry pavers. (from Beall, Christine, Masonry Design and Detailing, 4th edi-
tion, McGraw-Hill, New York).
will not seal cracks in the surface. Water-repellent coatings come in a
variety of proprietary formulations marketed under different trade
names. The most common clear and opaque masonry coatings are
available through masonry or building suppliers. Coatings usually
require reapplication every few years. In order to maintain the
weather resistance of the surface the homeowner must bear this
expense periodically. To provide fundamental resistance to water
penetration, however, requires more than just surface coatings. Other
factors affecting the performance of masonry in resisting the harmful
effects of water penetration are discussed in detail in the sections
below on weather resistance.
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