Monthly Archives: July 2010

Only use Walk Behind Power Trowels for Lightweight Concrete

Finishing Lightweight Concrete   Lightweight-aggregate, air-entrained concrete is increasingly used to cast interior, above-grade floors. There are two principal reasons for its use: cost savings and fire resistance, lightweight concrete floors are typically 25% to 35% lighter than regular concrete … Continue reading

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Craze Map Cracking

Reducing Craze Cracking Crazing It’s called craze cracking or “alligator cracking,” and the more serious form “map cracking,” which effects serviceability. Craze cracking is primarily a cosmetic issue but store and warehouse owners sometimes raise objections when they see craze … Continue reading

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Curling effects on Flatness of Concrete Floors.

The Effect Concrete Curling can have on Floor Flatness Concrete Curling Effect Examined Concrete Curling is measure when floor flatness and levelness are measured using F-number technology, timing of measurements is critical because curling of slabs on ground increase with … Continue reading

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