What causes concrete pinholes?

Article Tools

Pinholes are aggravating. These tiny holes in the concrete surface are formed by air bubbles trapped in the concrete. Bubbles become pinholes when they form on the surface of the concrete during casting and when the concrete is ground or honed.
Previous postHow many Litres is a standard microwave? Next postIs a toaster oven the same as a conventional oven?

Post Your Comment