03 40 00 Precast Concrete

Guarding foundations: Waterproofing with Polyurethane Sprayfoam

March 10, 2025

Discover how polyurethane sprayfoam and polyurea coatings deliver seamless, long-lasting waterproofing and insulation for commercial foundations.

By Jean-François Lupien

Concrete chronicles: Achieving floor flatness and levelness

January 11, 2024

Concrete floor quality depends on several factors, including the concrete mix design, the curing process, including consolidation and finishing. However, one of the seemingly simple, but often complex aspects of concrete floors, impacting performance and functionality, are floor flatness (FF) and floor levelness (FL).

Seismic retrofit of historic courthouse with precast concrete shear walls

July 7, 2019

The four-storey North Bay Courthouse building in Ontario was retrofitted with a new lateral force-resisting system (LFRS). The interior steel framing and slab connections were structurally strengthened to transfer seismic loading to 13 full-height, reinforced precast concrete shear walls around the building perimeter. Further, cracked masonry joints were repointed, damaged masonry units were replaced, and an elastomeric coating was applied over the entire wall surface.

Assessing thermal performance and resiliency of contemporary buildings

January 25, 2019

Energy and thermal performance requirements are growing and playing an increasingly significant role in building codes throughout North America. However, understanding and meeting these requirements has also become complex for designers. At the same time, it is clear important decisions regarding basic enclosure assembly design and window area need to be made early in the project to achieve the most cost-effective, energy-efficient, and comfortable building.

Basics of tilt-up construction

April 18, 2018

Tilt-up concrete has been around since the turn of the 20^th century, when architect-contractor Robert Aiken used it to construct several buildings in the American Midwest. Thomas Edison employed the tilt-up method to build concrete houses in New Jersey, some of which are still standing today.

Precast concrete solutions for risk management

January 12, 2018

Climate projections by the World Meteorological Organization (WMO) show past and current practices will influence the climate for decades to come. Such projections are usually statements about the likelihood something will happen several decades in the future if certain influential conditions develop in contrast to a prediction.

Elevating utility of buildings with hollow-core precast concrete slabs

April 13, 2017

With the increasing concerns of climate change, natural disasters, and energy disruptions, buildings need to be resilient. Architects and decision-makers are often on the lookout for new ways of enhancing building projects.

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