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Building an internal business case for portfolio-wide roof spend requires more than showing that individual roofs need repairs. Property owners, facility teams, and finance leaders need a clear picture of…

PVC roofing membranes are widely used on commercial buildings because they are durable, waterproof, energy-efficient, and resistant to many chemicals and environmental conditions. However, like any roofing system, a PVC…

For Florida commercial buildings, 60-mil PVC roofing membrane is a common recommended starting point, while 80-mil PVC may be a better choice for roofs exposed to severe weather, heavy foot…

Skylights are an important part of many commercial roofing systems, providing natural light while helping reduce the need for artificial lighting. However, building owners often assume that a roof warranty…

Direct Answer The internal pressure coefficient (GCpi) is a wind-design factor used to account for the pressure that wind can create inside a building when air enters through openings in…

Direct Answer ASD and LRFD are two different structural design approaches used to apply wind pressures to a commercial roof. Allowable Stress Design (ASD) compares service-level design loads with allowable…

Direct Answer Effective wind area (EWA) is the area used to determine the wind pressure coefficient applied to a roof component or cladding element under the applicable wind-design standard. For…

Direct Answer Components-and-cladding (C&C) wind pressures are the calculated wind loads that individual building-envelope components must resist, including roof coverings, membrane attachment systems, edge metal, flashing, skylights, and other roof…

Direct Answer Broken roof tiles can usually be replaced without damaging the underlayment by carefully removing the damaged tile in small pieces, gently lifting the overlapping tiles only as much…