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Commercial Roofing Solutions from The Garland Company

Author Archive | Jason Smith

Air Quality Impact of Airflow Leakage

Apart from the obvious means of ingress/egress (i.e. windows, doors, ducts), air flows through building materials by means of pressure differentials acting from the outside of the building inward and visa versa. The three sources of pressure differential are: Chimney effect (stack pressure) Wind pressure Fan pressure Chimney (or stack) effect occurs in all buildings, […]

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Polyurethane Rail Road Analogy

Have you ever wondered what we mean when we talk about the curing process of a polyurethane coating, or why it is an effective water barrier once cured?   Ever needed a better way of explaining what a polyurethane coating is without needing a chemistry book?  Here is a useful analogy that should help explain what […]

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