Labels:hakham | sky | trade name | workwear OCR: Moisture Accumulation All wall systems accumulate moisture. Moisture enters wall systems through: permeation and leaks, prolonged periods sof severe weather conditions, hot or cold. Keys in designing an effective wall system: Design to minimize weffing Allow IT to ar when it gets wet. Slide #27 ALA Continuing Education Understand Steel pr4S Moisture Resistance XPS wetting Unders tane Stee Stud Resistancs