Products & MaterialsCâu 38 / 100
A primer's main job is to do what?
a.Provide the final color and sheen
b.Replace the need for surface prep
c.Add texture to the wall
d.Seal the surface and promote adhesion between the substrate and the finish coats
Giải thích
Primers seal porous or stained surfaces, block stains, and create a bond between the substrate and the topcoat. Using the correct primer for the substrate (wood, drywall, metal, masonry) improves adhesion and finish uniformity. The primer is not usually the final decorative layer.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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