January 14, 2023

Maine Medical Center

The expansion of the hospital in Portland, Maine will be the largest replacement and modernization that Maine Medical Center has undertaken.

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Osmotic Blistering of Waterproof Membranes

Pairing the testing procedure our team developed with existing ASTM guidelines has enabled us to measure the osmotic flow rate of a membrane, a service unavailable elsewhere in the industry. We established a threshold for membrane vapor permeance, long-term water absorption, and osmotic flow, to quantify whether a particular membrane is low risk for blister...

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RDH Building Science