Healthy Concrete Systems: Defending design intent


Construction documents need to be clear, concise, correct, and complete—but is this enough to fend off the twists and turns of executing the contract for construction? One may begin with the very best in design intent, but it is the responsibility of the entire project team to understand and adhere to this in order for it to become a reality. Too often, some of the team members will alter the intended design to accommodate their own business advantage.

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A faster, simpler way to a Level 5 finish

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Drywall is often misperceived as a building material that does not demand the skillful manipulation of a traditional construction material. However, anyone who has worked with drywall knows the product is not so cooperative.

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Specifying the concrete slab to be polished


One of the biggest mistakes a designer can make when specifying polished concrete slabs is to state, “Concrete for polished concrete, including formwork, reinforcement, concrete materials, mixture design, placement procedures, initial finishing, and curing is specified in Section 03 30 00 Cast-in-Place Concrete.”

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Polished concrete flooring projects surge


Projects throughout the United States showcase how construction materials are playing a supporting role in industries where new technology rollouts, tight timelines, and sustainable design are the new norm. Fast-setting, calcium sulfoaluminate (CSA) cement-based products are increasingly the key to achieving demands for both new and renovated construction.

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Using shear transfer at engineered wood floors


Engineered wood products are specified for a wide range of light-frame floor assemblies in light commercial and multi-family construction. I-joists, glued-laminated timber (glulam), rim board, laminated veneer lumber (LVL), laminated strand lumber (LSL), and oriented strand lumber (OSL) are popular due to their availability, precision, strength, and consistent quality.

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Dry concrete for moisture-sensitive floorcoverings


There are two major sources of moisture in fresh concrete—excess mixing water left over after hydration of cement, along with natural groundwater beneath the concrete that moves to the surface by capillary action. This article describes how to control the sources of moisture in concrete slabs, minimize drying wait time to meet floorcovering manufacturer’s requirements, and determine when the slab meets those requirements.

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