Products & MaterialsPregunta 41 de 100
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
Explicación
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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