Finish TradesCâu 232 / 700
In a commercial kitchen or a setting exposed to acids and constant washdown, which grout offers the BEST stain and chemical resistance?
a.Standard unsanded cement grout
b.Epoxy grout
c.Ordinary sanded cement grout
d.No grout at all
Giải thích
Epoxy grout resists chemicals, acids, and staining far better than cement grouts, making it the best choice for kitchens, labs, and heavy washdown areas. Sanded and unsanded cement grouts are porous and stain, and leaving joints ungrouted is never acceptable.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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