Products & Materials第 41 / 100 题
Which coating type is commonly used to bridge and waterproof hairline cracks on exterior stucco?
a.Flat interior latex
b.Shellac primer
c.Elastomeric coating
d.Lacquer
解析
Elastomeric coatings form a thick, flexible film that stretches to bridge and seal hairline cracks in stucco and masonry while resisting water intrusion. They are much higher-build than ordinary paint. Proper surface prep and film thickness are essential for them to perform.
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