Roof Coatings and Reroofing Projects


Selecting the proper reroofing material for a given structure after an existing assembly has reached the end of its useful life can be a daunting decision. Affordability, among other technical and performance considerations, remains at the top of the list of most building owners’ concerns. In the pursuit of a healthy balance between cost and quality, thermoplastic polyolefin (TPO) membranes and roof coatings are two categories that continue to gain market share.

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Dynamic Air Filtration for the Marijuana Industry


Dynamic Air Quality Solutions manufactures high-performance air filtration products including polarized-media air cleaners, carbon filtration systems, and germicidal ultraviolet (UV) systems. Dynamic Air Cleaners have been available to commercial and residential customers since 1982. About two years ago, the company discovered several of its products were being specified on commercial growing operations or, in that industry’s parlance, ‘grows.’

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Fiber cement panels as rainscreens

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Moisture intrusion in a wall system can cause building defects and health ailments for occupants, making rainscreens a very important tool in water mitigation. There are several popular types of rainscreens that manage moisture infiltration in different ways. The two most common panelized systems are drained and back-ventilated, and pressure-equalized rainscreens.

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Durability of Water-resistive Barriers

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Many new water-resistive barrier (WRB) products are being introduced, including liquid-applied membranes. These new products join traditional wraps, self-adhered membranes, felts, and building paper, making for a crowded marketplace. A WRB will be concealed behind cladding, where it cannot be inspected, maintained, or replaced, so it must last for the design life of the building. However, will the new products be durable?

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An Overview of Waterproofing Solutions


Waterproofing failures are more easily overlooked than roofing problems, so design professionals tend to hear less about them. When compared with a reroofing project, however, a below-grade or interior rehabilitation can be far more disruptive and expensive. Whereas a roof leak can generally be identified with simple test probes, waterproofing breaches can be challenging to diagnose.

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Don’t Seal Your Fate: Considerations for parking garage surface treatments

All photos © Hoffmann Architects Inc.

Parking decks must be protected from the harmful effects of moisture and chlorides, but there is a growing preconception installing a traffic-bearing membrane is a one-way ticket to the garage equivalent of immortality. While a traffic-bearing membrane may work in many situations, consideration is necessary to determine if this costly investment is the correct solution for the garage’s needs. Identifying product properties and applying appropriate selection criteria can help specifiers develop solutions that protect now, while considering treatment options for the future.

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