Moisture measurement in concrete floor slabs

Moisture presence in concrete slabs can cause problems for all types of floors, including carpeting, wood, stone, poured polymeric, and resilient finish. Too much moisture can cause floorcoverings to cup, buckle, blister, and discolor, and these problems can occur days, months, or years after installation. In other words, excess...
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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...
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Navigating energy code compliance for roofing

The roof assembly is an important aspect in achieving energy code compliance because it often accounts for a large portion of the building envelope. It becomes even more critical in single-story non-residential projects such as manufacturing plants, warehouses, distribution centers, retail stores, and offices.
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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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Low-slope roofing guarantees

Understanding and estimating the value of low-slope roofing manufacturers’ guarantees can be confusing. Part of the reason for this is even well-meaning industry sources can contribute to the plethora of inaccurate or misleading information FOUND in the market on the purposes and potential value of roof manufacturers’ guarantees.
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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...
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