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Our Winter 2023 issue is here! In our opening Editor's Note, we discuss the ongoing issue of how to properly dispose and limit construction waste. Recently, a successfully partnered pilot involving used asphalt shingles, mushrooms, and mycoremediation technology to reduce construction waste was conducted. The goal was to produce a sustainable and reusable product to further create a more circular economy. Browse our issue to learn more about this groundbreaking testing, and to read about our other topics, including designing for the extremes with lightning protection systems, next generation spray foam addressing climate concerns, and understanding the very severe hail designation.
Rainwater mitigation and insulating goals can both be achieved in low-slope or flat roofs with optimized, project-specific tapered polyisocyanurate insulation panel designs and systems.
Rainwater mitigation and insulating goals can both be achieved in low-slope or flat roofs with optimized, project-specific tapered polyisocyanurate insulation panel designs and systems.
A building’s envelope is described as any component of a building that touches the outside air and repels the elements such as the roof, walls, doors and windows.
Understanding the components and the basics of a lightning protection system process enable everyone to make the appropriate assessment and recommendations for a design.
In 2022, insured losses from hailstorms topped $10 billion in the United States for the 15th year in a row. Hailstorms account for 70 percent of the average annual property losses from severe convective storms in the U.S., according to the National Center for Atmospheric Research.
The Spray Polyurethane Foam insulation and roofing industry is currently undergoing an important step in the evolution of its materials technology—a progressive phase-out of the use of Hydrofluorocarbons-, or HFC-based, systems and adoption of Hydrofluoroolefins-, or HFO-based, spray foams.
If PVC is categorized as hazardous waste, the EPA would have to develop a comprehensive framework to ensure its treatment, storage and disposal. This would likely be very costly, burdensome and particularly hit small businesses hard.
In the absence of standardized fire testing, unfortunate consequences can arise. In the U.S., we’ve started to see a relaxed attitude toward firestopping in general.
A drain shall be placed around the perimeter of a foundation that consists of gravel or crushed stone containing not more than 10-percent that passes through a No. 4 (4.75 mm) sieve.
Flashing or stripping ply should extend into scupper throat, and be fully welded. Seal exterior of scupper at wall penetration. Continuous cleats are recommended when flashing face dimension exceeds 3 inches and in areas deemed a high-wind zone as categorized by local building code.
