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Syracuse University

2018

Moisture performance

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Full-Text Articles in Physics

Hygrothermal Performance Of Sealed Attics In Climate Zone 3a, Mikael Salonvaara, Achilles Karagiozis, William Miller Sep 2018

Hygrothermal Performance Of Sealed Attics In Climate Zone 3a, Mikael Salonvaara, Achilles Karagiozis, William Miller

International Building Physics Conference

Sealed attics with fiberglass have been in the US building codes for several codes cycles. Prior to the IRC 2018, air permeable insulation (such as fiberglass) was previously allowed to be deployed without continuous air impermeable insulation only in dry climate zones 2B and 3B in tile roofs systems. New research has revealed that asphalt shingles can also be allowed as implemented in the new IRC 2018 with a new addition to the section for sealed attics using air permeable insulations. The new building code also permits the use of air permeable insulation without air impermeable insulation in climate zones ...


Moisture Monitoring Of Wood-Frame Walls With And Without Exterior Insulation In A Midwestern U.S. Cold Climate, Samuel V. Glass, C. R. Boardman, Borjen Yeh, Kingston Chow Sep 2018

Moisture Monitoring Of Wood-Frame Walls With And Without Exterior Insulation In A Midwestern U.S. Cold Climate, Samuel V. Glass, C. R. Boardman, Borjen Yeh, Kingston Chow

International Building Physics Conference

Continuous exterior insulation is becoming more common in North American above-grade walls in both retrofit applications and new construction, as a means to improve the thermal performance of wall assemblies. Although moisture performance of wood-frame wall assemblies has been studied extensively, the drying capability of wall assemblies with exterior insulation and an interior vapor retarder in cold climates is not well characterized. This study monitored the hygrothermal performance of wall assemblies with and without exterior insulation under high and low interior humidity conditions and with intentional wetting of the wood structural panel sheathing. Moisture content and temperature of standard 38 ...