ratios for two good lime pastes are: 20 pounds of quicklime to 10 gallons of water, and 50 pounds of
hydrated lime to 6 gallons of water.
Two formulas for compounding whitewash are shown in Table 2-4. Notice that both formulas start out
with the same weight of lime paste; however, the remaining materials and weights are different.
Table 2-4. Whitewash formulas
C.
Recommended Exterior Coatings.
Table 2-5, pages 2-31 and 2-32, is a guide showing the type of coating recommended for various
exterior surfaces. This chart is designed for general applications, and many times, variations must be
made. The color selected for exterior surfaces should blend with other structures in the area. Color
selection at an installation is often made by personnel other than protective-coating specialists.
EN0562
2-30
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